.hide-partial { max-height: none; } .show-more { display: none; }

STMicroelectronics Embedded Processors & Controllers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Embedded Processors & Controllers

List Images

Results: 5 757

Applied Filters:

Manufacturer = STMicroelectronics

Product Type

Mounting Style

Package/Case

Core

Data Bus Width

Maximum Clock Frequency

Program Memory Size

L1 Cache Instruction Memory

L1 Cache Data Memory

Data RAM Size

ADC Resolution

Number of I/Os

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

ARM Microcontrollers - MCU Sub-GHz Wireless Microcontrollers. Arm Cortex-M4 a.48 MHz 256 Kbytes of Flash 64

STM32WLE5CCU7
STMicroelectronics
1: 7,99 €
2 557In Stock
6 240Expected 02/04/2027

Mfr. Part No.
STM32WLE5CCU7

Mouser Part No
511-STM32WLE5CCU7

STMicroelectronics

ARM Microcontrollers - MCU Sub-GHz Wireless Microcontrollers. Arm Cortex-M4 a.48 MHz 256 Kbytes of Flash 64

Learn More

Datasheet

2 557In Stock

6 240Expected 02/04/2027

7,99 €

6,93 €

6,57 €

6,06 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-48

ARM Cortex M4

32 bit

48 MHz

256 kB

64 kB

12 bit

43 I/O

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 8-bit Ultralow MCU 20 pin 4kb Flash

STM8L151F2U6TR
STMicroelectronics
1: 1,99 €
2 153In Stock

Mfr. Part No.
STM8L151F2U6TR

Mouser Part No
511-STM8L151F2U6TR

STMicroelectronics

8-bit Microcontrollers - MCU 8-bit Ultralow MCU 20 pin 4kb Flash

Learn More

Datasheet

2 153In Stock

Cut Tape

1,99 €

1,37 €

1,20 €

1,08 €

Reel

0,824 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

STM8

8 bit

16 MHz

4 kB

1 kB

12 bit

18 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Low-volt line 1,8V MCU 256 Kbytes of Flash 48 MHz CPU,

STM32F098RCH6
STMicroelectronics
1: 6,27 €
321In Stock

Mfr. Part No.
STM32F098RCH6

Mouser Part No
511-STM32F098RCH6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Low-volt line 1,8V MCU 256 Kbytes of Flash 48 MHz CPU,

Learn More

Datasheet

321In Stock

6,27 €

4,82 €

4,22 €

4,04 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFBGA-64

ARM Cortex M0

32 bit

48 MHz

256 kB

32 kB

12 bit

51 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU 32B Cortex-M3 LCD 384Kb Flsh 32MHz CPU

STM32L162VCH6
STMicroelectronics
1: 9,45 €
190In Stock

Mfr. Part No.
STM32L162VCH6

Mouser Part No
511-STM32L162VCH6

STMicroelectronics

ARM Microcontrollers - MCU 32B Cortex-M3 LCD 384Kb Flsh 32MHz CPU

Learn More

Datasheet

190In Stock

9,45 €

7,35 €

6,77 €

6,17 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M3

32 bit

32 MHz

256 kB

32 kB

12 bit

83 I/O

- 40 C

+ 85 C

Tray

Microprocessors - MPU 32-bit Arm Cortex-A7 650MHz MPU for Industrial, Graphics and Security

STM32MP135CAG3
STMicroelectronics
1: 7,71 €
150In Stock

Mfr. Part No.
STM32MP135CAG3

Mouser Part No
511-STM32MP135CAG3

STMicroelectronics

Microprocessors - MPU 32-bit Arm Cortex-A7 650MHz MPU for Industrial, Graphics and Security

Learn More

Datasheet

150In Stock

7,71 €

6,36 €

6,10 €

5,60 €

View

Min.: 1
Mult.: 1

Microprocessors - MPU

SMD/SMT

TFBGA-289

ARM Cortex A7

32 bit

650 MHz

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433VCT3
STMicroelectronics
1: 7,14 €
294In Stock

Mfr. Part No.
STM32L433VCT3

Mouser Part No
511-STM32L433VCT3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

294In Stock

7,14 €

5,21 €

4,82 €

4,45 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFT-100

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

83 I/O

- 40 C

+ 125 C

Tray

Microprocessors - MPU 32-bit Arm Cortex-A7 650MHz MPU for Industrial and Graphics

STM32MP135AAF3
STMicroelectronics
1: 7,72 €
142In Stock

Mfr. Part No.
STM32MP135AAF3

Mouser Part No
511-STM32MP135AAF3

STMicroelectronics

Microprocessors - MPU 32-bit Arm Cortex-A7 650MHz MPU for Industrial and Graphics

Learn More

Datasheet

142In Stock

7,72 €

6,11 €

5,73 €

5,20 €

View

Min.: 1
Mult.: 1

Microprocessors - MPU

SMD/SMT

TFBGA-320

ARM Cortex A7

32 bit

650 MHz

Tray

ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU

STM32H523VCI7
STMicroelectronics
1: 5,31 €
200In Stock
New Product

Mfr. Part No.
STM32H523VCI7

Mouser Part No
511-STM32H523VCI7

New Product

STMicroelectronics

ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU

Learn More

Datasheet

200In Stock

5,31 €

4,06 €

3,55 €

Min.: 1
Mult.: 1
Max.: 25

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU High-performance Arm Cortex-M33 TrustZone MCU 1-MByte Flash 640-Kbyte RAM 250 MH

STM32H562AGI7
STMicroelectronics
1: 8,62 €
200In Stock
New Product

Mfr. Part No.
STM32H562AGI7

Mouser Part No
511-STM32H562AGI7

New Product

STMicroelectronics

ARM Microcontrollers - MCU High-performance Arm Cortex-M33 TrustZone MCU 1-MByte Flash 640-Kbyte RAM 250 MH

Learn More

Datasheet

200In Stock

8,62 €

6,70 €

5,93 €

Min.: 1
Mult.: 1
Max.: 25

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone 160 MHz 256 Kbytes Flash memory

STM32U535RCT3Q
STMicroelectronics
1: 6,61 €
160In Stock
New Product

Mfr. Part No.
STM32U535RCT3Q

Mouser Part No
511-STM32U535RCT3Q

New Product

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone 160 MHz 256 Kbytes Flash memory

Learn More

Datasheet

160In Stock

6,61 €

5,10 €

4,49 €

Min.: 1
Mult.: 1
Max.: 25

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone 160 MHz 512 Kbytes Flash memory

STM32U535REI3Q
STMicroelectronics
1: 7,40 €
175In Stock
New Product

Mfr. Part No.
STM32U535REI3Q

Mouser Part No
511-STM32U535REI3Q

New Product

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone 160 MHz 512 Kbytes Flash memory

Learn More

Datasheet

175In Stock

7,40 €

5,73 €

5,05 €

Min.: 1
Mult.: 1
Max.: 25

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Ultra-low-power with FPU Arm Cortex-M33 MCU with TrustZone, 160 MHz with 512 Kby

STM32U545RET3
STMicroelectronics
1: 7,51 €
844In Stock

Mfr. Part No.
STM32U545RET3

Mouser Part No
511-STM32U545RET3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power with FPU Arm Cortex-M33 MCU with TrustZone, 160 MHz with 512 Kby

Learn More

Datasheet

844In Stock

7,51 €

5,81 €

5,13 €

4,91 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Ultra-low-power with FPU Arm Cortex-M33 MCU with TrustZone, 160 MHz with 2 Mbyte

STM32U575RIT3
STMicroelectronics
1: 10,10 €
886In Stock

Mfr. Part No.
STM32U575RIT3

Mouser Part No
511-STM32U575RIT3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power with FPU Arm Cortex-M33 MCU with TrustZone, 160 MHz with 2 Mbyte

Learn More

Datasheet

886In Stock

10,10 €

7,89 €

7,00 €

6,73 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 2 Mbytes Flash

STM32U595AIH6
STMicroelectronics
1: 15,70 €
200In Stock

Mfr. Part No.
STM32U595AIH6

Mouser Part No
511-STM32U595AIH6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 2 Mbytes Flash

Learn More

Datasheet

200In Stock

15,70 €

12,44 €

11,14 €

10,72 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

TFBGA-169

ARM Cortex M33

32 bit

160 MHz

2 MB

2.5 MB

12 bit

133 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 2 Mbytes Flash

STM32U595AIH6Q
STMicroelectronics
1: 15,70 €
197In Stock

Mfr. Part No.
STM32U595AIH6Q

Mouser Part No
511-STM32U595AIH6Q

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 2 Mbytes Flash

Learn More

Datasheet

197In Stock

15,70 €

12,44 €

11,14 €

10,72 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

TFBGA-169

ARM Cortex M33

32 bit

160 MHz

2 MB

2.5 MB

12 bit

133 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 2 Mbytes Flash

STM32U5A5QII3Q
STMicroelectronics
1: 16,45 €
195In Stock

Mfr. Part No.
STM32U5A5QII3Q

Mouser Part No
511-STM32U5A5QII3Q

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 2 Mbytes Flash

Learn More

Datasheet

195In Stock

16,45 €

13,05 €

11,70 €

11,27 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFBGA-132

ARM Cortex M33

32 bit

160 MHz

2 MB

2.5 MB

12 bit

156 I/O

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Adv Graphics UltraLowPower CortexM-33 Trustzone NEOCHROM 160MHZ 3MBSRAM 4M Flash

STM32U5F9BJY6QTR
STMicroelectronics
1: 18,03 €
149In Stock

Mfr. Part No.
STM32U5F9BJY6QTR

Mouser Part No
511-STM32U5F9BJY6QTR

STMicroelectronics

ARM Microcontrollers - MCU Adv Graphics UltraLowPower CortexM-33 Trustzone NEOCHROM 160MHZ 3MBSRAM 4M Flash

Learn More

Datasheet

149In Stock

Cut Tape

18,03 €

14,35 €

12,88 €

12,43 €

View

Reel

11,09 €

Min.: 1
Mult.: 1

: 3 500

ARM Microcontrollers - MCU

SMD/SMT

WLCSP-208

ARM Cortex M33

32 bit

160 MHz

4 MB

3 MB

12 bit, 14 bit

145 I/O

- 40 C

+ 85 C

Reel, Cut Tape

ARM Microcontrollers - MCU Adv Graphics UltraLowPower CortexM-33 Trustzone NEOCHROM 160MHZ 3MBSRAM 4M Flash

STM32U5F9NJH6Q
STMicroelectronics
1: 19,85 €
108In Stock

Mfr. Part No.
STM32U5F9NJH6Q

Mouser Part No
511-STM32U5F9NJH6Q

STMicroelectronics

ARM Microcontrollers - MCU Adv Graphics UltraLowPower CortexM-33 Trustzone NEOCHROM 160MHZ 3MBSRAM 4M Flash

Learn More

Datasheet

108In Stock

19,85 €

15,85 €

14,24 €

13,74 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

TFBGA-216

ARM Cortex M33

32 bit

160 MHz

4 MB

3 MB

12 bit, 14 bit

156 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Adv Graphics UltraLowPower CortexM-33 Trustzone NEOCHROM 160MHZ 3MBSRAM 4M Flash

STM32U5F9ZJT6Q
STMicroelectronics
1: 18,75 €
237In Stock

Mfr. Part No.
STM32U5F9ZJT6Q

Mouser Part No
511-STM32U5F9ZJT6Q

STMicroelectronics

ARM Microcontrollers - MCU Adv Graphics UltraLowPower CortexM-33 Trustzone NEOCHROM 160MHZ 3MBSRAM 4M Flash

Learn More

Datasheet

237In Stock

18,75 €

14,86 €

14,10 €

12,82 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-144

ARM Cortex M33

32 bit

160 MHz

4 MB

3 MB

12 bit, 14 bit

101 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Adv Graphics UltraLowPower CortexM-33 Trustzone NEOCHROM 160MHZ 3MBSRAM 4M Flash

STM32U5G7VJT6
STMicroelectronics
1: 17,98 €
202In Stock

Mfr. Part No.
STM32U5G7VJT6

Mouser Part No
511-STM32U5G7VJT6

STMicroelectronics

ARM Microcontrollers - MCU Adv Graphics UltraLowPower CortexM-33 Trustzone NEOCHROM 160MHZ 3MBSRAM 4M Flash

Learn More

Datasheet

202In Stock

17,98 €

14,30 €

13,37 €

12,36 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

32 bit

160 MHz

4 MB

3 MB

12 bit, 14 bit

82 I/O

- 40 C

+ 85 C

ARM Microcontrollers - MCU Arm Cortex-M0+ MCU 32kB, 6kB, 48MHz, 2-3.6V

STM32C011F6P6
STMicroelectronics
1: 1,36 €
315In Stock
20 720Expected 21/01/2027

Mfr. Part No.
STM32C011F6P6

Mouser Part No
511-STM32C011F6P6

STMicroelectronics

ARM Microcontrollers - MCU Arm Cortex-M0+ MCU 32kB, 6kB, 48MHz, 2-3.6V

Learn More

Datasheet

315In Stock

20 720Expected 21/01/2027

1,36 €

0,937 €

0,776 €

0,736 €

Min.: 1
Mult.: 1
Max.: 200

ARM Microcontrollers - MCU

SMD/SMT

TSSOP-20

ARM Cortex M0+

32 bit

48 MHz

32 kB

6 kB

12 bit

18 I/O

- 40 C

+ 85 C

Tube

ARM Microcontrollers - MCU Arm Cortex-M0+ MCU with 16 Kbytes of Flash memory, 6 Kbytes RAM, 48 MHz

STM32C011F6P6TR
STMicroelectronics
1: 1,17 €
2 119In Stock
15 000Expected 21/01/2027

Mfr. Part No.
STM32C011F6P6TR

Mouser Part No
511-STM32C011F6P6TR

STMicroelectronics

ARM Microcontrollers - MCU Arm Cortex-M0+ MCU with 16 Kbytes of Flash memory, 6 Kbytes RAM, 48 MHz

Learn More

Datasheet

2 119In Stock

15 000Expected 21/01/2027

Cut Tape

1,17 €

0,781 €

0,682 €

0,592 €

Reel

0,592 €

MouseReel Available

Min.: 1
Mult.: 1
Max.: 200

: 2 500

ARM Microcontrollers - MCU

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU ArmCortex-M0+ 32-bit MCU, 32kB Flash, 6kB RAM, UFQFPN-20

STM32C011F6U7TR
STMicroelectronics
1: 1,26 €
295In Stock
12 000On Order

Mfr. Part No.
STM32C011F6U7TR

Mouser Part No
511-STM32C011F6U7TR

STMicroelectronics

ARM Microcontrollers - MCU ArmCortex-M0+ 32-bit MCU, 32kB Flash, 6kB RAM, UFQFPN-20

Learn More

Datasheet

295In Stock

12 000On Order

Cut Tape

1,26 €

0,833 €

0,728 €

0,632 €

View

Reel

0,476 €

MouseReel Available

Min.: 1
Mult.: 1
Max.: 3 000

: 3 000

ARM Microcontrollers - MCU

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 16 Kbytes Flash 12 Kbytes RAM 48 MHz CPU 2x USART

STM32C031C4T6
STMicroelectronics
1: 1,32 €
546In Stock

Mfr. Part No.
STM32C031C4T6

Mouser Part No
511-STM32C031C4T6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 16 Kbytes Flash 12 Kbytes RAM 48 MHz CPU 2x USART

Learn More

Datasheet

546In Stock

1,32 €

0,972 €

0,82 €

0,774 €

0,709 €

Min.: 1
Mult.: 1
Max.: 250

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M0+

32 bit

48 MHz

16 kB

12 kB

12 bit

45 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 16 Kbytes Flash 12 Kbytes RAM 48 MHz CPU 2x USART

STM32C031C4U6
STMicroelectronics
1: 1,63 €
418In Stock
3 120Expected 26/02/2027

Mfr. Part No.
STM32C031C4U6

Mouser Part No
511-STM32C031C4U6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 16 Kbytes Flash 12 Kbytes RAM 48 MHz CPU 2x USART

Learn More

Datasheet

418In Stock

3 120Expected 26/02/2027

1,63 €

1,09 €

0,955 €

0,825 €

0,74 €

Min.: 1
Mult.: 1
Max.: 300

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-48

ARM Cortex M0+

32 bit

48 MHz

16 kB

12 kB

12 bit

45 I/O

- 40 C

+ 85 C

Tray

STMicroelectronics Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

Support

BGA-100
BGA-132
BGA-144
BGA-168
BGA-169
BGA-176
BGA-216
BGA-292
BGA-64
BGA-73
CSP-100
CSP-115
CSP-36
CSP-48
CSP-64
CSP-72
CSP-81
FPBGA-292
FPBGA-302
FPBGA-386

ARM1176JZ-F
ARM Cortex-A35
ARM Cortex A35, ARM Cortex M33
ARM Cortex A7
ARM Cortex A7, ARM Cortex M4
ARM Cortex M0
ARM Cortex-M0, ARM Cortex-M4
ARM Cortex M0+
ARM Cortex M0+, ARM Cortex M4
ARM Cortex M3
ARM Cortex M33
ARM Cortex M33, ARM Cortex A35
ARM Cortex M35P
ARM Cortex M4
ARM Cortex M4, ARM Cortex M7
ARM Cortex M4F
ARM Cortex M55
ARM Cortex M7
ARM Cortex-R52+
e200z0

8 MHz
15 MHz
16 MHz
16 MHz/32 MHz
20 MHz
24 MHz
32 MHz
32 MHz, 64 MHz
36 MHz
48 MHz
56 MHz
64 MHz
72 MHz
80 MHz
80 MHz, 120 MHz
80 MHz, 160 MHz
84 MHz
96 MHz
100 MHz
110 MHz

0 B
1 KB
2 kB
4 kB
8 kB
16 kB
32 kB
64 kB
96 kB
128 KB
128 kB
160 kB
176 kB
192 kB
256 kB
320 kB
384 kB
512 kB
640 kB
768 kB

384 B
512 B
1 kB
1.5 kB
2 kB
4 kB
6 kB
8 kB
10 kB
12 kB
16 KB
16 kB
18 kB
20 kB
22 kB
24 kB
32 KB
32 kB
36 kB
40 kB

2 x 10 bit
2 x 10 bit, 5 x 12 bit, 6 x 16 bit
2 x 12 bit
2 x 16 bit
2 x 6 bit/8 bit/10 bit/12 bit
2 x 8 bit/10 bit/12 bit
3 x 10 bit, 5 x 12 bit, 6 x 16 bit
3 x 12 bit
3 x 12 bit, 1 x 16 bit
3 x 16 bit
4 x 12 bit
4 x 6 bit/8 bit/10 bit/12 bit
5 x 12 bit
5 x 12 bit, 2 x 16 bit
6 bit/8 bit/10 bit/12 bit
8 bit to 16 bit
10 bit
10 bit, 12 bit
10 bit, 3 x 12 bit
10 bit, 4 x 12 bit

5 I/O
6 I/O
8 I/O
9 I/O
10 I/O
11 I/O
14 I/O
15 I/O
16 I/O
17 I/O
18 I/O
19 I/O
20 I/O
21 I/O
22 I/O
23 I/O
24 I/O
25 I/O
26 I/O
27 I/O