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HT32F1253 Datasheet(PDF) 18 Page - Holtek Semiconductor Inc

Part # HT32F1253
Description  32-bit Microcontroller with ARM Cortex-M3 Core
PDF  35 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT32F1253 Datasheet(HTML) 18 Page - Holtek Semiconductor Inc

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Rev. 1.00
18 of 35
May 27, 2011
32-bit ARM Cortex™-M3 MCU
HT32F1251/51B/52/53
Pin Assignment
48 47 46 45 44 43 42 41 40 39 38
1
2
3
4
5
6
7
8
9
10
11
13 14 15 16 17 18 19 20 21 22 23
35
34
33
32
31
30
29
28
27
26
25
PA0
ADC_IN0
GT1_ETI
PA1
ADC_IN1
-
GT0_Ch3
PA2
ADC_IN2
UR_DCD
GT0_CH2
PA3
ADC_IN3
UR_DSR
GT0_CH1
PA4
ADC_IN4
UR_DTR
GT0_CH0
PA5
ADC_IN5
UR_RI
SPI_MOSI
PA6
ADC_IN6
UR_RTS
/TXE
SPI_MISO
PA7
ADC_IN7
UR_CTS
/SCK
SPI_SCK
PA8
-
UR_RX
SPI_SEL
PA9-
BOOT0
-
UR_TX
-
PA10-
BOOT1
-
-
-
-
-
PB1
XTALOUT
-
-
PB0
XTALIN
GT1_CH0
UR_RI
SPI_MOSI
PB15
GT1_CH1
UR_DTR
SPI_MISO
PB14
GT1_CH2
UR_DSR
SPI_SCK
PB13
GT1_CH3
UR_DCD
SPI_SEL
PB12
VSS33_2
VDD33_2
GT0_CH0
-
PA15
TRACE
SWO
GT0_CH1
-
PA14
SWCLK
GT0_CH2
-
PA13
SWDIO
AF0
(Default)
AF1
AF2
AF3
AF1
AF2
AF3
-
P33 P33 5VT
5VT 5VT 5VT 5VT
33V
33V
5VT
5VT
5VT
5VT
P33
P33
5VT
5VT
5VT
P18
5VT
5VT
5VT
33V
33V
33V
33V
33V
33V
33V
33V
33V
33V
33V
33V
33V
33V
P33
P33
AP
AP
P18
P33
AP
P18
33V
5VT
5VT
3.3 V Digital Power Pad
3.3 V Analog Power Pad
1.8 V Power Pad
3.3 V I/O Pad
5 V Tolerance I/O Pad
High Current Output
5 V Tolerance I/O Pad
Holtek HT32F1251B
LQFP48
37
12
24
36
VSSA_2
AP
P33
VSS33_3
AF0
(Default)
Figure 4. HT32F1251B 48LQFP Pin Assignment



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