ST72321BR9 STMicroelectronics, ST72321BR9 Datasheet - Page 10

• Manufacturer Part Number: ST72321BR9
• Description: 8-bit MCU
• Manufacturer: STMicroelectronics

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

ST72321BRx, ST72321BARx ST72321BJx, ST72321BKx
Figure 4. 32-Pin LQFP Package Pinout
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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