ST72321R6 STMicroelectronics, ST72321R6 Datasheet - Page 11

• Manufacturer Part Number: ST72321R6
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH,10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE
• Manufacturer: STMicroelectronics

Specifications of ST72321R6

• Hdflash Endurance: 100 cycles, data retention
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator, clock security system and bypass for external clock
• Four Power Saving Modes: Halt, Active-Halt,Wait and Slow
• Main Clock Controller With: Real time base, Beep and Clock-out capabilities
• Two 16-bit Timers With: 2 input captures, 2 output compares, external clock input on one timer, PWM and pulse generator modes
• 8-bit Pwm Auto-reload Timer With: 2 input captures, 4 PWM outputs, output compare and time base interrupt, external clock with event detector

23
24
25 15
26 16
27 17
28
29 18
30
31 19
32 20
33 21
34 22
35 23
36 24
37 25 10 PC2 (HS)/ICAP2_B
38 26 11 PC3 (HS)/ICAP1_B
39 27 12 PC4/MISO/ICCDATA I/O C
40 28 13 PC5/MOSI/AIN14
41 29 29 PC6/SCK/ICCCLK
42 30 15 PC7/SS/AIN15
43
44
Pin n°
-
-
-
-
-
-
3
4
5
6
7
8
9
-
-
-
-
-
-
-
-
-
V
V
PF0/MCO/AIN8
PF1 (HS)/BEEP
PF2 (HS)
PF3/OCMP2_A/AIN9 I/O C
PF4/OCMP1_A/
AIN10
PF5/ICAP2_A/AIN11 I/O C
PF6 (HS)/ICAP1_A
PF7 (HS)/EXTCLK_A I/O C
V
V
PC0/OCMP2_B/
AIN12
PC1/OCMP1_B/
AIN13
PA0
PA1
DD_3
SS_3
DD_0
SS_0
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
S
S
S
S
Level
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
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
Input
ei1
ei1
ei0
ei0
ei1
Port
X
X
X
X
X
X
X
X
ST72321Rx ST72321ARx ST72321Jx
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
function
Digital Main Supply Voltage
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
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 al-
lowed on this pin
SPI Slave Se-
lect (active
low)
Alternate function
OSC
/2)
ADC Ana-
log
Input 8
ADC Ana-
log
Input 9
ADC Ana-
log
Input 10
ADC Ana-
log
Input 11
ADC Ana-
log
Input 12
ADC Ana-
log
Input 13
ICC Data
Input
ADC Ana-
log
Input 14
ICC Clock
Output
ADC Ana-
log
Input 15
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