— 53 —
8-7-3. Pin Function
NO. PIN NAME I/O DESCRIPTION
1 TMS I Mode (H-UDI)
2 TCK I Clock (H-UDI)
3 VDDQ Power IO VDD
4 VSSQ Power IO GND
5 TDI I Data in (H-UDI)
6 CSO O Chip select 0
7 CS1 O Chip select 1
8 CS4 O Chip select 4
9 CS5 O Chip select 5
10 CS6 O Chip select 6
11 BS O Bus start
12 WE0/REG O D7-D0 select signal
13 WE1 O D15-D8 select signal
14 D0 I/O Data
15 VDDQ Power IO VDD
16 VSSQ Power IO GND
17 VDD Power Internal VDD
18 VSS Power Internal GND
19 D1
20 D2
21 D3
22 D4
23 D5
I/O Data
24 D6
25 D7
26 D8
27 D9
28 D10
29 VDDQ Power IO VDD
30 VSSQ Power IO GND
31 D11
32 D12
33 D13 I/O Data
34 D14
35 D15
36 CAS0/DQM0 O D7-D0 select signal
37 CAS1/DQM1 O D15-D8 select signal
38 RD/WR O Read/write
39 CKIO O Clock output
40 Reserved - Do not connect
41 VDDQ Power IO VDD
42 VSSQ Power IO GND
43 Reserved - Do not connect
44 RD/CASS/FRAME O Read/CAS/FRAME
45 CKE O Clock output enable
46 RAS O RAS
47 VDD Power Internal VDD
48 VSS Power Internal GND
49 CS2 O Chip select 2
50 CS3 O Chip select 3
51 A0
52 A1
O Address
53 A2
54 A3
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