uPSD3212A, uPSD3212C, uPSD3212CV
8/163
Figure 3. TQFP52 Connections
Note: 1. Pull-up resistor required on pin 5 (2k
Ω
for 3V devices, 7.5k
Ω
for 5V devices).
39 P1.5/ADC1
38 P1.4/ADC0
37 P1.3/TXD1
36 P1.2/RXD1
35 P1.1/T2X
34 P1.0/T2
33 VCC
32 XTAL2
31 XTAL1
30 P3.7/SCL1
29 P3.6/SDA1
28 P3.5/T1
27 P3.4/T0
PD1/CLKIN
PC7
JTAG TDO
JTAG TDI
USB–(1)
PC4/TERR_
USB+
VCC
GND
PC3/TSTAT
PC2/VSTBY
JTAG TCK
JTAG TMS
1
2
3
4
5
6
7
8
9
10
11
12
13
52
51
50
49
48
47
46
45
44
43
42
41
40
PB0
PB1
PB2
PB3
PB4
PB5
VREF
GND
RESET_
PB6
PB7
P1.7/ADC3
P1.6/ADC2
14
15
16
17
18
19
20
21
22
23
24
25
26
P4.7/PWM4
P4.6/PWM3
P4.5/PWM2
P4.4/PWM1
P4.3/PWM0
GND
P4.2
P4.1
P4.0
P3.0/RXD
P3.1/TXD
P3.2/EXINT0
P3.3/EXINT1
AI07423c
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