ST7232A View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ST7232A Datasheet PDF : 157 Pages
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PIN DESCRIPTION (Cont’d)
Figure 4. 42-Pin SDIP and 44-Pin TQFP Package Pinouts
ST7232A
RDI / PE1
PB0
PB1
PB2
PB3
(HS) PB4
AIN0 / PD0
AIN1 / PD1
AIN2 / PD2
AIN3 / PD3
AIN4 / PD4
44 43 42 41 40 39 38 37 36 35 34
1
33
2
32
3
ei2
4
ei0 31
30
5
29
6 ei3
28
7
27
8
26
9
25
10
ei1
24
11
23
12 13 14 15 16 17 18 19 20 21 22
VSS_1
VDD_1
PA3 (HS)
PC7 / SS / AIN15
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
(HS) PB4
AIN0 / PD0
AIN1 / PD1
AIN2 / PD2
AIN3 / PD3
AIN4 / PD4
AIN5 / PD5
VAREF
VSSA
MCO / AIN8 / PF0
BEEP / (HS) PF1
(HS) PF2
AIN10 / OCMP1_A / PF4
ICAP1_A / (HS) PF6
EXTCLK_A / (HS) PF7
AIN12 / OCMP2_B / PC0
AIN13 / OCMP1_B / PC1
ICAP2_B/ (HS) PC2
ICAP1_B / (HS) PC3
ICCDATA / MISO / PC4
AIN14 / MOSI / PC5
1 ei3
2
3
4
5
6
7
8
9
10
11 ei1
12
13
14
15
16
17
18
19
20
21
42
41
ei2 40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
ei0 24
23
22
PB3
PB2
PB1
PB0
PE1 / RDI
PE0 / TDO
VDD_2
OSC1
OSC2
VSS_2
RESET
VPP / ICCSEL
PA7 (HS)
PA6 (HS)
PA5 (HS)
PA4 (HS)
VSS_1
VDD_1
PA3 (HS)
PC7 / SS / AIN15
PC6 / SCK / ICCCLK
(HS) 20mA high sink capability
eix associated external interrupt vector
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