PSD935G2-90U STMicroelectronics, PSD935G2-90U Datasheet - Page 44

• 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

PSD935G2
Figure 17. Interfacing the PSD935G2 to the 80C251, with Read and PSEN Inputs
RESET
RESET
CRYSTAL
35
21
20
11
13
14
15
16
17
10
2
3
4
5
6
7
8
9
80C251SB
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
X1
X2
P3.0/RXD
P3.1/TXD
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
RESET
EA
RESET
RD/A16
PSEN
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
ALE
WR
43
42
41
40
39
38
37
36
24
25
26
27
28
29
30
31
33
18
19
32
RESET
A0
A1
A2
A3
A4
A5
A6
A7
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
PSEN
RD
WR
ALE
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
GND GND GND GND
V
CC
30
9
V
V
CC
CC
49
29
V
CC
50
69
PSD9XX Family
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
PF0
PF1
PF2
PF3
PF4
PF5
PF6
PF7
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
A[7:0]
AD[15:8]
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
A[7:0]
AD[15:8]
43