ꢃꢅ-bit �RM Coꢁtex™-Mꢃ MCU
HTꢃꢅF1ꢅ51/51B/5ꢅ/5ꢃ
Holtek HT32F1251/52/53
LQFP48
AF0
AF0
AF3
AF2
AF1
48 47 46 45 44 4ꢃ 4ꢅ 41 40 ꢃ9 ꢃ8 ꢃ7
AF1
AF2
AF3
(Default)
(Default)
�P
�P Pꢃꢃ Pꢃꢃ ꢃꢃV ꢃꢃV ꢃꢃV ꢃꢃV ꢃꢃV ꢃꢃV
P18
ꢃꢃV
ꢃꢃV
5VT
5VT
5VT
5VT
Pꢃꢃ
Pꢃꢃ
Pꢃꢃ
5VT
5VT
5VT
�P
V
SSA_2
1
ꢅ
ꢃ6 XTALOUT
PB1
PB0
-
-
-
ꢃꢃV
ꢃꢃV
ꢃꢃV
ꢃꢃV
ꢃꢃV
ꢃꢃV
ꢃꢃV
ꢃꢃV
5VT
5VT
5VT
P18
GT0_Ch3
GT0_CH2
GT0_CH1
GT0_CH0
GT1_ETI
-
ADC_IN0
ADC_IN1
ADC_IN2
ADC_IN3
ADC_IN4
ADC_IN5
ADC_IN6
ADC_IN7
-
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
ꢃ5
ꢃ4
ꢃꢃ
ꢃꢅ
ꢃ1
ꢃ0
ꢅ9
ꢅ8
ꢅ7
ꢅ6
ꢅ5
XTALIN
PB15
-
Pꢃꢃ
ꢃ
SPI_MOSI
UR_RI
GT1_CH0
GT1_CH1
GT1_CH2
GT1_CH3
3.3 V Digital Power Pad
UR_DCD
UR_DSR
4
PB14
SPI_MISO UR_DTR
�P
3.3 V Analog Power Pad
5
PB13
SPI_SCK
SPI_SEL
UR_DSR
UR_DCD
P18
SPI_MOSI UR_DTR
6
PB12
1.8 V Power Pad
SPI_MISO
UR_RI
7
V
SS33_3
SS33_2
ꢃꢃV
3.3 V I/O Pad
UR_RTS
/TXE
UR_CTS
SPI_SCK
8
V
5VT
SPI_SEL
9
VDD33_2
5 V Tolerance I/O Pad
/SCK
TRACE
SWO
-
-
-
UR_RX
PA8
10
11
1ꢅ
PA15
PA14
PA13
-
-
-
GT0_CH0
GT0_CH1
GT0_CH2
High Current Output
5VT
PA9-
BOOT0
PA10-
5 V Tolerance I/O Pad
UR_TX
-
-
SWCLK
-
SWDIO
BOOT1
Pꢃꢃ Pꢃꢃ 5VT Pꢃꢃ ꢃꢃV ꢃꢃV 5VT 5VT 5VT 5VT
1ꢃ 14 15 16 17 18 19 ꢅ0 ꢅ1 ꢅꢅ ꢅꢃ ꢅ4
Figure 5. HT32F1251/52/53 48LQFP Pin Assignment
Rev. 1.10
19 of ꢃ5
�ꢀꢁiꢂ 1ꢃꢄ ꢅ01ꢅ
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
