HT32F1251 Ver la hoja de datos (PDF) - Holtek Semiconductor

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HT32F1251

Holtek 32-bit Microcontroller with ARM®Cortex™-M3 Core

Holtek Semiconductor 

32-bit ARM Cortex™-M3 MCU

HT32F1251/51B/52/53

Pin Assignment

Holtek HT32F1251B

LQFP48

AF3

AF2

GT0_Ch3 GT1_ETI

GT0_CH2

-

GT0_CH1 UR_DCD

GT0_CH0 UR_DSR

SPI_MOSI UR_DTR

SPI_MISO

SPI_SCK

SPI_SEL

-

UR_RI

UR_RTS

/TXE

UR_CTS

/SCK

UR_RX

-

UR_TX

-

-

AF1

ADC_IN0

ADC_IN1

ADC_IN2

ADC_IN3

ADC_IN4

ADC_IN5

ADC_IN6

ADC_IN7

-

-

-

AF0

(Default)

VSSA_2

PA0

PA1

PA2

PA3

PA4

PA5

PA6

PA7

PA8

PA9-

BOOT0

PA10-

BOOT1

48 47 46 45 44 43 42 41 40 39 38 37

AF0

AF1

AF2

AF3

(Default)

AP AP P33 P33 33V 33V 33V 33V 33V 33V

P18

1 AP

33V 36 XTALOUT

PB1

-

-

2 33V

33V 35 XTALIN

PB0

-

-

3 33V

P33 3.3 V Digital Power Pad

5VT 34 PB15 SPI_MOSI UR_RI GT1_CH0

4 33V

5 33V

AP 3.3 V Analog Power Pad

5VT 33

5VT 32

PB14

PB13

SPI_MISO UR_DTR GT1_CH1

SPI_SCK UR_DSR GT1_CH2

6 33V

P18 1.8 V Power Pad

5VT 31

PB12

SPI_SEL UR_DCD GT1_CH3

7 33V

8 33V

33V 3.3 V I/O Pad

P33 30

P33 29

VSS33_3

VSS33_2

9 33V

10 5VT

11 5VT

5VT 5 V Tolerance I/O Pad

High Current Output

5VT

5 V Tolerance I/O Pad

P33 28

5VT 27

5VT 26

VDD33_2

TRACE

SWO

SWCLK

PA15

PA14

-

GT0_CH0

-

GT0_CH1

12 5VT

5VT 25 SWDIO

PA13

-

GT0_CH2

P18

P33 P33 5VT

5VT 5VT 5VT 5VT

13 14 15 16 17 18 19 20 21 22 23 24

Figure 4. HT32F1251B 48LQFP Pin Assignment

Rev. 1.10

18 of 35

April 13, 2012

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