ST72321BR9 STMicroelectronics, ST72321BR9 Datasheet - Page 10
ST72321BR9
Manufacturer Part Number
ST72321BR9
Description
8-bit MCU
Manufacturer
STMicroelectronics
Datasheet
1.ST72321BJ6.pdf
(187 pages)
Specifications of ST72321BR9
Hdflash Endurance
100 cycles, data retention
Clock Sources
crystal/ceramic resonator oscillators, internal RC oscillator 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
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ST72321BRx, ST72321BARx ST72321BJx, ST72321BKx
Figure 4. 32-Pin LQFP Package Pinout
10/187
AIN12 / OCMP2_B / PC0
OCMP1_A / AIN10 / PF4
EXTCLK_A / (HS) PF7
ICAP1_A / (HS) PF6
MCO / AIN8 / PF0
BEEP / (HS) PF1
V
V
AREF
SSA
1
2
3
4
5
6
7
8
32 31 30 29 28 27 26 25
ei1
9 10 11 12 13 14 15 16
ei3
ei2
ei0
24
23
22
21
20
19
18
17
OSC1
OSC2
V
RESET
V
PA7 (HS) / SCLI
PA6 (HS) / SDAI
PA4 (HS)
SS
PP
_2
/ ICCSEL
(HS) 20mA high sink capability
eix
associated external interrupt vector
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