.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: 5 755

Applied Filters:

Brand = 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 Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash

STM32U385RGT6Q
STMicroelectronics
1: 6,19 €
1 230In Stock
New Product

Mfr. Part No.
STM32U385RGT6Q

Mouser Part No
511-STM32U385RGT6Q

New Product

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash

Learn More

Datasheet

1 230In Stock

6,19 €

4,77 €

4,21 €

4,03 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M33

32 bit

96 MHz

1 MB

256 kB

12 bit

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash

STM32U385VGI6
STMicroelectronics
1: 7,33 €
2 435In Stock
New Product

Mfr. Part No.
STM32U385VGI6

Mouser Part No
511-STM32U385VGI6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash

Learn More

Datasheet

2 435In Stock

7,33 €

5,66 €

5,00 €

4,90 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash

STM32U385VGT6
STMicroelectronics
1: 7,18 €
633In Stock
New Product

Mfr. Part No.
STM32U385VGT6

Mouser Part No
511-STM32U385VGT6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash

Learn More

Datasheet

633In Stock

7,18 €

5,55 €

4,71 €

4,52 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash

STM32U385VGT6Q
STMicroelectronics
1: 7,18 €
598In Stock
New Product

Mfr. Part No.
STM32U385VGT6Q

Mouser Part No
511-STM32U385VGT6Q

New Product

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash

Learn More

Datasheet

598In Stock

7,18 €

5,55 €

4,71 €

4,52 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 TZ MCU 100 MHz 2 Mbytes Flash BLE 5.4 Zigbee

STM32WBA62CIU6
STMicroelectronics
1: 6,02 €
1 915In Stock
New Product

Mfr. Part No.
STM32WBA62CIU6

Mouser Part No
511-STM32WBA62CIU6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 TZ MCU 100 MHz 2 Mbytes Flash BLE 5.4 Zigbee

Learn More

Datasheet

1 915In Stock

6,02 €

5,01 €

4,78 €

4,31 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 TZ MCU 100 MHz 2 Mbytes Flash BLE 5.4 Zigbee

STM32WBA63CIU6
STMicroelectronics
1: 6,36 €
2 681In Stock
New Product

Mfr. Part No.
STM32WBA63CIU6

Mouser Part No
511-STM32WBA63CIU6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 TZ MCU 100 MHz 2 Mbytes Flash BLE 5.4 Zigbee

Learn More

Datasheet

2 681In Stock

6,36 €

5,31 €

5,07 €

4,91 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 TZ MCU 100 MHz 2 Mbytes Flash BLE 5.4 Zigbee

STM32WBA65CIU6
STMicroelectronics
1: 6,57 €
1 232In Stock
New Product

Mfr. Part No.
STM32WBA65CIU6

Mouser Part No
511-STM32WBA65CIU6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 TZ MCU 100 MHz 2 Mbytes Flash BLE 5.4 Zigbee

Learn More

Datasheet

1 232In Stock

6,57 €

5,07 €

4,70 €

4,29 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

Tray

RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64 Kb Flash 16 Kb SRAM

STM32WL30KBV6
STMicroelectronics
1: 3,61 €
2 587In Stock
New Product

Mfr. Part No.
STM32WL30KBV6

Mouser Part No
511-STM32WL30KBV6

New Product

STMicroelectronics

RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64 Kb Flash 16 Kb SRAM

Learn More

Datasheet

2 587In Stock

3,61 €

2,73 €

2,50 €

2,27 €

View

Min.: 1
Mult.: 1

RF Microcontrollers - MCU

SMD/SMT

ARM Cortex M0+

32 bit

64 MHz

128 KB

12 bit

Tray

RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64 Kb Flash 16 Kb SRAM

STM32WL31CBV6
STMicroelectronics
1: 4,12 €
3 077In Stock
New Product

Mfr. Part No.
STM32WL31CBV6

Mouser Part No
511-STM32WL31CBV6

New Product

STMicroelectronics

RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64 Kb Flash 16 Kb SRAM

Learn More

Datasheet

3 077In Stock

4,12 €

3,23 €

2,97 €

2,67 €

View

Min.: 1
Mult.: 1

RF Microcontrollers - MCU

SMD/SMT

ARM Cortex M0+

32 bit

64 MHz

128 KB

12 bit

Tray

RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64Kbytes Flash 16KbyteSRAM

STM32WL31KBV6
STMicroelectronics
1: 4,11 €
2 520In Stock
New Product

Mfr. Part No.
STM32WL31KBV6

Mouser Part No
511-STM32WL31KBV6

New Product

STMicroelectronics

RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64Kbytes Flash 16KbyteSRAM

Learn More

Datasheet

2 520In Stock

4,11 €

3,13 €

2,88 €

2,61 €

View

Min.: 1
Mult.: 1

RF Microcontrollers - MCU

SMD/SMT

ARM Cortex M0+

32 bit

64 MHz

128 KB

12 bit

Tray

ARM Microcontrollers - MCU 32B ARM Cortex-M3 Value line 16KB Flsh

STM32F100R4T6BTR
STMicroelectronics
1: 4,86 €
2 000In Stock

Mfr. Part No.
STM32F100R4T6BTR

Mouser Part No
511-STM32F100R4T6BTR

STMicroelectronics

ARM Microcontrollers - MCU 32B ARM Cortex-M3 Value line 16KB Flsh

Learn More

Datasheet

2 000In Stock

Cut Tape

4,86 €

3,71 €

3,24 €

3,10 €

2,86 €

Reel

2,47 €

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

ARM Microcontrollers - MCU

SMD/SMT

ARM Cortex M3

32 bit

24 MHz

128 kB

4 kB

12 bit

51 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU,

STM32F105RCT6V
STMicroelectronics
1: 12,77 €
510In Stock
NRND

Mfr. Part No.
STM32F105RCT6V

Mouser Part No
511-STM32F105RCT6V

NRND

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU,

Learn More

Datasheet

510In Stock

12,77 €

10,03 €

9,12 €

8,49 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M3

32 bit

72 MHz

256 kB

64 kB

12 bit

51 I/O

- 40 C

+ 85 C

ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU,

STM32F105VCT6W
STMicroelectronics
1: 11,96 €
333In Stock
NRND

Mfr. Part No.
STM32F105VCT6W

Mouser Part No
511-STM32F105VCT6W

NRND

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU,

Learn More

Datasheet

333In Stock

11,96 €

9,40 €

8,09 €

7,83 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M3

32 bit

72 MHz

256 kB

64 kB

12 bit

80 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB

STM32F215VET6
STMicroelectronics
1: 13,30 €
526In Stock

Mfr. Part No.
STM32F215VET6

Mouser Part No
511-STM32F215VET6

STMicroelectronics

ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB

Learn More

Datasheet

526In Stock

13,30 €

9,80 €

9,05 €

8,44 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M3

32 bit

120 MHz

512 kB

128 kB

12 bit

82 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash 120 MHz CPU, ART Accel, HW c

STM32F215VGT7
STMicroelectronics
1: 11,74 €
519In Stock

Mfr. Part No.
STM32F215VGT7

Mouser Part No
511-STM32F215VGT7

STMicroelectronics

ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash 120 MHz CPU, ART Accel, HW c

Learn More

Datasheet

519In Stock

11,74 €

10,00 €

9,66 €

9,38 €

9,37 €

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M3

32 bit

120 MHz

1 MB

128 kB

12 bit

82 I/O

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 128kB MCU FPU

STM32F373VBH6
STMicroelectronics
1: 8,41 €
1 175In Stock

Mfr. Part No.
STM32F373VBH6

Mouser Part No
511-STM32F373VBH6

STMicroelectronics

ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 128kB MCU FPU

Learn More

Datasheet

1 175In Stock

8,41 €

6,52 €

5,88 €

5,48 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

BGA-100

ARM Cortex M4

32 bit

72 MHz

128 kB

24 kB

16 bit

- 40 C

+ 85 C

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32 Kbytes of Flash , 32 MHz CPU, USB, LCD

STM32L053C6T7
STMicroelectronics
1: 3,86 €
1 452In Stock

Mfr. Part No.
STM32L053C6T7

Mouser Part No
511-STM32L053C6T7

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32 Kbytes of Flash , 32 MHz CPU, USB, LCD

Learn More

Datasheet

1 452In Stock

3,86 €

2,55 €

2,33 €

1,98 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M0+

32 bit

32 MHz

32 kB

8 kB

12 bit

37 I/O

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte Flash USB OTG LCD

STM32L4A6VGT6TR
STMicroelectronics
1: 11,22 €
709In Stock

Mfr. Part No.
STM32L4A6VGT6TR

Mouser Part No
511-STM32L4A6VGT6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte Flash USB OTG LCD

Datasheet

709In Stock

Cut Tape

11,22 €

8,79 €

8,14 €

7,52 €

View

Reel

6,29 €

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M4

32 bit

80 MHz

1 MB

320 kB

12 bit

83 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 256 Kbytes

STM32WB55RCV7
STMicroelectronics
1: 6,67 €
1 555In Stock

Mfr. Part No.
STM32WB55RCV7

Mouser Part No
511-STM32WB55RCV7

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 256 Kbytes

Learn More

Datasheet

1 555In Stock

6,67 €

5,78 €

5,48 €

5,05 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

VFQFPN-68

ARM Cortex M4

32 bit

64 MHz

256 kB

128 kB

12 bit

49 I/O

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU STM8L Ultra LP 8-Bit LCD 32-Pin 32kB

STM8L151K6U6TR
STMicroelectronics
1: 3,23 €
8 911In Stock

Mfr. Part No.
STM8L151K6U6TR

Mouser Part No
511-STM8L151K6U6TR

STMicroelectronics

8-bit Microcontrollers - MCU STM8L Ultra LP 8-Bit LCD 32-Pin 32kB

Learn More

Datasheet

8 911In Stock

Cut Tape

3,23 €

2,26 €

2,01 €

1,81 €

Reel

1,33 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

8-bit Microcontrollers - MCU

STM8

8 bit

32 kB

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8BIT Ultralow MCU 8KB Flash 1KB RAM

STM8S103K3U6TR
STMicroelectronics
1: 2,34 €
3 268In Stock

Mfr. Part No.
STM8S103K3U6TR

Mouser Part No
511-STM8S103K3U6TR

STMicroelectronics

8-bit Microcontrollers - MCU 8BIT Ultralow MCU 8KB Flash 1KB RAM

Learn More

Datasheet

3 268In Stock

Cut Tape

2,34 €

1,61 €

1,44 €

1,29 €

View

Reel

0,937 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

8-bit Microcontrollers - MCU

SMD/SMT

STM8

8 bit

16 MHz

8 kB

1 kB

10 bit

28 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Low-volt line 1,8V MCU 32 Kbytes of Flash 48 MHz CPU, U

STM32F038C6T7
STMicroelectronics
1: 3,62 €
1 375In Stock

Mfr. Part No.
STM32F038C6T7

Mouser Part No
511-STM32F038C6T7

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Low-volt line 1,8V MCU 32 Kbytes of Flash 48 MHz CPU, U

Learn More

Datasheet

1 375In Stock

3,62 €

2,73 €

2,38 €

2,27 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M0

32 bit

48 MHz

32 kB

4 kB

12 bit

38 I/O

- 40 C

+ 105 C

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 128 Kbytes of Flash 48 MHz CPU & CEC fu

STM32F071CBT7TR
STMicroelectronics
1: 5,75 €
1 948In Stock

Mfr. Part No.
STM32F071CBT7TR

Mouser Part No
511-STM32F071CBT7TR

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 128 Kbytes of Flash 48 MHz CPU & CEC fu

Learn More

Datasheet

1 948In Stock

Cut Tape

5,75 €

4,22 €

3,94 €

3,47 €

View

Reel

2,55 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 400

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M0

32 bit

48 MHz

128 kB

16 kB

12 bit

37 I/O

- 40 C

+ 105 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Low-volt line 1,8V MCU 128 Kbytes of Flash 48 MHz CPU,

STM32F078VBH6
STMicroelectronics
1: 6,43 €
1 576In Stock

Mfr. Part No.
STM32F078VBH6

Mouser Part No
511-STM32F078VBH6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Low-volt line 1,8V MCU 128 Kbytes of Flash 48 MHz CPU,

Learn More

Datasheet

1 576In Stock

6,43 €

4,73 €

4,40 €

3,87 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFBGA-100

ARM Cortex M0

32 bit

48 MHz

128 kB

16 kB

12 bit

86 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C

STM32F091VCH7
STMicroelectronics
1: 7,97 €
2 494In Stock

Mfr. Part No.
STM32F091VCH7

Mouser Part No
511-STM32F091VCH7

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C

Learn More

Datasheet

2 494In Stock

7,97 €

6,17 €

5,58 €

5,19 €

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFBGA-100

ARM Cortex M0

32 bit

48 MHz

256 kB

32 kB

12 bit

88 I/O

- 40 C

+ 105 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