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ST7232A Datasheet(PDF) 9 Page - STMicroelectronics

Part # ST7232A
Description  8-BIT MICROCONTROLLER WITH 8K FLASH/ROM, ADC, 4 TIMERS, SPI, SCI INTERFACE
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7232A Datasheet(HTML) 9 Page - STMicroelectronics

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PIN DESCRIPTION (Cont’d)
Figure 4. 42-Pin SDIP and 44-Pin TQFP Package Pinouts
44 43 42 41 40 39 38 37 36 35 34
33
32
31
30
29
28
27
26
25
24
23
12 13 14 15 16 17 18 19 20 21 22
1
2
3
4
5
6
7
8
9
10
11
ei2
ei3
ei0
ei1
PB3
(HS) PB4
AIN0 / PD0
AIN1 / PD1
AIN2 / PD2
AIN3 / PD3
AIN4 / PD4
RDI / PE1
PB0
PB1
PB2
PC6 / SCK / ICCCLK
PC5 / MOSI / AIN14
PC4 / MISO / ICCDATA
PC3 (HS) / ICAP1_B
PC2 (HS) / ICAP2_B
PC1 / OCMP1_B / AIN13
PC0 / OCMP2_B / AIN12
VSS_1
VDD_1
PA3 (HS)
PC7 / SS / AIN15
38
37
36
35
34
33
32
31
30
29
28
27
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
39
40
41
42
(HS) PB4
AIN0 / PD0
AIN12 / OCMP2_B / PC0
EXTCLK_A / (HS) PF7
ICAP1_A / (HS) PF6
AIN10 / OCMP1_A / PF4
(HS) PF2
BEEP / (HS) PF1
MCO / AIN8 / PF0
AIN5 / PD5
AIN4 / PD4
AIN3 / PD3
AIN2 / PD2
AIN1 / PD1
VSSA
VAREF
PB3
PB2
PA4 (HS)
PA5 (HS)
PA6 (HS)
PA7 (HS)
VPP / ICCSEL
RESET
VSS_2
VDD_2
PE0 / TDO
PE1 / RDI
PB0
PB1
OSC1
OSC2
ei3
ei0
ei2
ei1
21
20
17
18
19
AIN14 / MOSI / PC5
ICCDATA / MISO / PC4
ICAP1_B / (HS) PC3
ICAP2_B/ (HS) PC2
AIN13 / OCMP1_B / PC1
26
25
24
23
22
PC6 / SCK / ICCCLK
PC7 / SS / AIN15
PA3 (HS)
VDD_1
VSS_1
eix
associated external interrupt vector
(HS) 20mA high sink capability
1


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