ST7232A View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ST7232A Datasheet PDF : 157 Pages
| |||
ST7232A
Pin n°
Pin Name
Level
Port
Input
Output
Main
function
(after
reset)
Alternate Function
24 17
9
12
PC1/OCMP1_B/
AIN13
I/O CT
XX
X
X
X
Port C1
Timer B Out-
put Com-
pare 1
ADC Analog
Input 13
25 18 10 13 PC2 (HS)/ICAP2_B I/O CT HS X X
26 19 11 14 PC3 (HS)/ICAP1_B I/O CT HS X X
27 20 12 15
PC4/MISO/ICCDA-
TA
I/O CT
XX
X X Port C2 Timer B Input Capture 2
X X Port C3 Timer B Input Capture 1
X
X
SPI Master
Port C4 In / Slave
Out Data
ICC Data In-
put
28 21 13 16 PC5/MOSI/AIN14 I/O CT
XX
X
X
X
SPI Master
Port C5 Out / Slave
In Data
ADC Analog
Input 14
29 22 14 17 PC6/SCK/ICCCLK I/O CT
XX
X
X
Port C6
SPI Serial
Clock
ICC Clock
Output
30 23 15 18 PC7/SS/AIN15
I/O CT
XX
X
X
SPI Slave
X Port C7 Select (ac-
tive low)
ADC Analog
Input 15
31 24 16 19 PA3 (HS)
32 25
VDD_1
33 26
VSS_1
34 27 17 20 PA4 (HS)
35 28
PA5 (HS)
36 29 18 21 PA6 (HS)
37 30 19 22 PA7 (HS)
38 31 20 23 VPP /ICCSEL
I/O CT HS X
ei0
S
S
I/O CT HS X X
I/O CT HS X X
I/O CT HS X
I/O CT HS X
I
X X Port A3
Digital Main Supply Voltage
Digital Ground Voltage
X X Port A4
X X Port A5
T
Port A6 1)
T
Port A7 1)
Must be tied low. In the flash pro-
gramming mode, this pin acts as the
programming voltage input VPP. See
Section 12.9.2 for more details. High
voltage must not be applied to ROM
devices.
39 32 21 24 RESET
40 33 22 25 VSS_2
41 34 23 26 OSC2
I/O CT
S
O
Top priority non maskable interrupt.
Digital Ground Voltage
Resonator oscillator inverter output
42 35 24 27 OSC1
I
External clock input or Resonator os-
cillator inverter input
43 36 25 28 VDD_2
44 37 26 29 PE0/TDO
1 38 27 30 PE1/RDI
2 39 28 31 PB0
S
I/O CT
I/O CT
I/O CT
XX
XX
X ei2
Digital Main Supply Voltage
X X Port E0 SCI Transmit Data Out
X X Port E1 SCI Receive Data In
Caution: Negative cur-
X X Port B0 rent injection not al-
lowed on this pin5)
3 40
PB1
4 41
PB2
5 42 29 32 PB3
I/O CT
I/O CT
I/O CT
X ei2
X ei2
X
ei2
X X Port B1
X X Port B2
X X Port B3
11/157
1
Share Link: 