UPSD3234AV-24U1T STMicroelectronics, UPSD3234AV-24U1T Datasheet - Page 9

• Manufacturer Part Number: UPSD3234AV-24U1T
• Description: Flash Programmable System Devices with 8032 Microcontroller Core and 64Kbit SRAM
• Manufacturer: STMicroelectronics

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Figure 4. TQFP80 Connections
Note: 1. Pull-up resistor required on pin 8 (2k
P3.3 /EXINT1
PC4/TERR_
PC2/V STBY
PC3/TSTAT
P4.7/PWM4
P4.6/PWM3
PD1/CLKIN
2. NC = Not Connected
JTAG/TDO
JTAG TMS
JTAG TCK
JTAG/TDI
USB– (1)
NC (2)
NC (2)
USB+
GND
V CC
PD2
ALE
PC7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
for 3V devices, 7.5k
uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV
for 5V devices) for all 82-pin devices, with or without USB function.
60 P1.5/ADC1
59 P1.4/ADC0
58 P1.3/TXD1
57 A11
56 P1.2/RXD1
55 A10
54 P1.1/TX2
53 A9
52 P1.0/T2
51 A8
50 V CC
49 XTAL2
48 XTAL1
47 AD7
46 P3.7/SCL1
45 AD6
44 P3.6/SDA1
43 AD5
42 P3.5/T1
41 AD4
AI07424b
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