ST72321B STMICROELECTRONICS [STMicroelectronics], ST72321B Datasheet - Page 10

• Manufacturer Part Number: ST72321B
• Description: 64/44-pin 8-bit MCU with 32 to 60K Flash/ROM, ADC, five timers, SPI, SCI, I2C interface
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

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