PSD935G2-90U STMicroelectronics, PSD935G2-90U Datasheet - Page 45

• Manufacturer Part Number: PSD935G2-90U
• Manufacturer: STMicroelectronics

Specifications of PSD935G2-90U

• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Package Type: TQFP
• Mounting: Surface Mount
• Pin Count: 80
• Lead Free Status / RoHS Status: Compliant

44
PSD9XX Family
Figure 18. Interfacing the PSD935G2 to the 80C51XA, 8-Bit Data Bus
RESET
RESET
V CC
CRYSTAL
10
14
15
35
21
20
11
13
16
17
6
7
9
8
XA-G3
XTAL1
XTAL2
RXD0
TXD0
RXD1
TXD1
T2EX
T2
T0
RST
INT0
INT1
EA/WAIT
BUSW
RESET
A0/WRH
A14D10
A15D11
A16D12
A17D13
A18D14
A19D15
A10D6
A11D7
A12D8
A13D9
PSEN
A4D0
A5D1
A6D2
A7D3
A8D4
A9D5
WRL
ALE
RD
A3
A2
A1
43
42
41
40
39
38
37
36
24
25
26
27
28
29
30
31
5
4
3
33
18
19
32
2
A3
A2
A1
A0
WR
RD
PSEN
ALE
A4D0
A5D1
A6D2
A7D3
A8D4
A9D5
A10D6
A11D7
A12
A13
A14
A15
A16
A17
A18
A19
59
60
40
39
10
11
12
13
14
15
16
17
18
19
20
79
80
71
72
73
74
75
76
77
78
3
4
5
6
7
1
2
PSD935G2
ADIO0
ADIO1
ADIO2
ADIO3
ADIO4
ADIO5
ADIO6
ADIO7
ADIO8
ADI09
ADIO10
ADIO11
ADIO12
ADIO13
ADIO14
ADIO15
CNTL0 (WR)
CNTL1 (RD)
CNTL2 (PSEN)
PD0 (ALE)
PD1 (CLKIN)
PD2 (CSI)
PD3
RESET
PE0 (TMS)
PE1 (TCK/ST)
PE2 (TDI)
PE3 (TDO)
PE4 (TSTAT/RDY)
PE5 (TERR)
PE6 (VSTBY)
PE7 (VBATON)
GND
8
V
CC
GND GND GND GND
9
30
V
V
CC
CC
29
49
V
CC
69
50
70
PG0
PG1
PG2
PG3
PG4
PG5
PG6
PG7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PSD935G2
PF0
PF1
PF2
PF3
PF4
PF5
PF6
PF7
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
31
32
33
34
35
36
37
38
21
22
23
24
25
26
27
28
51
52
53
54
55
56
57
58
61
62
63
64
65
66
67
68
41
42
43
44
45
46
47
48
A0
A1
A2
A3
A[19:12] D[7:0]
A[3:0]