ST72F321 STMICROELECTRONICS [STMicroelectronics], ST72F321 Datasheet - Page 11

• Manufacturer Part Number: ST72F321
• Description: 64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

24
25 15 PF0/MCO/AIN8
26 16 PF1 (HS)/BEEP
27 17 PF2 (HS)
28
29 18 PF4/OCMP1_A/AIN10
30
31 19 PF6 (HS)/ICAP1_A
32 20 PF7 (HS)/EXTCLK_A
33 21 V
34 22 V
35 23 PC0/OCMP2_B/AIN12
36 24 PC1/OCMP1_B/AIN13
37 25 PC2 (HS)/ICAP2_B
38 26 PC3 (HS)/ICAP1_B
39 27 PC4/MISO/ICCDATA
40 28 PC5/MOSI/AIN14
41 29 PC6/SCK/ICCCLK
42 30 PC7/SS/AIN15
43
44
45
46 31 PA3 (HS)
47 32 V
48 33 V
49 34 PA4 (HS)
50 35 PA5 (HS)
Pin n°
-
-
-
-
-
-
V
PF3/OCMP2_A/AIN9
PF5/ICAP2_A/AIN11
PA0
PA1
PA2
SS_3
DD_0
SS_0
DD_1
SS_1
Pin Name
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
S
S
S
S
S
Level
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
HS
HS
HS
HS
HS
HS
HS
HS
HS
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Input
ei1
ei1
ei0
ei0
ei0
ei1
ei0
Port
X
X
X
X
X
X
X
X
Output
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
function
Digital Ground Voltage
Port F0
Port F1
Port F2
Port F3
Port F4
Port F5
Port F6
Port F7
Digital Main Supply Voltage
Digital Ground Voltage
Port C0
Port C1
Port C2
Port C3
Port C4
Port C5
Port C6
Port C7
Port A0
Port A1
Port A2
Port A3
Digital Main Supply Voltage
Digital Ground Voltage
Port A4
Port A5
reset)
(after
Main
Main clock out
(f
Beep signal output
Timer A Out-
put Compare 2
Timer A Out-
put Compare 1
Timer A Input
Capture 2
Timer A Input Capture 1
Timer A External Clock
Source
Timer B Out-
put Compare 2
Timer B Out-
put Compare 1
Timer B Input Capture 2
Timer B Input Capture 1
SPI Master In /
Slave Out
Data
SPI Master
Out / Slave In
Data
SPI Serial
Clock
Caution: Negative cur-
rent injection not allowed
on this pin
SPI Slave Se-
lect (active
low)
OSC
Alternate function
/2)
ADC Analog
Input 8
ADC Analog
Input 9
ADC Analog
Input 10
ADC Analog
Input 11
ADC Analog
Input 12
ADC Analog
Input 13
ICC Data In-
put
ADC Analog
Input 14
ICC Clock
Output
ADC Analog
Input 15
ST72321
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