参数资料
型号: IBM25403GCX-3JC76C2
元件分类: 微控制器/微处理器
英文描述: RISC PROCESSOR, PQFP16
封装: PLASTIC, QFP-160
文件页数: 2/54页
文件大小: 541K
代理商: IBM25403GCX-3JC76C2
IBM PowerPC 403GCX
10
CS2
153
D5
O
SRAM Chip Select 2. See description of CS0 but controls bank 2.
CS3
152
B5
O
SRAM Chip Select 3. See description of CS0 but controls bank 3.
CS4/RAS3
151
C5
O
Chip Select 4/ DRAM Row Address Select 3. When bank register 4
is congured to control an SRAM bank, CS4/RAS3 functions as a
chip select. When bank register 4 is congured to control a DRAM
bank, CS4/RAS3 is the row address select for that bank.
CS5/RAS2
148
B6
O
Chip Select 5/ DRAM Row Address Select 2. See description of
CS4/RAS3 but controls bank 5.
CS6/RAS1
147
C6
O
Chip Select 6/ DRAM Row Address Select 1. See description of
CS4/RAS3 but controls bank 6.
CS7/RAS0
146
A6
O
Chip Select 7/ DRAM Row Address Select 0. See description of
CS4/RAS3 but controls bank 7.
D0
42
N2
I/O
Data bus bit 0 (most signicant bit).
D1
43
P2
I/O
Data bus bit 1.
D2
44
N3
I/O
Data bus bit 2.
D3
45
P3
I/O
Data bus bit 3.
D4
46
N4
I/O
Data bus bit 4.
D5
47
M4
I/O
Data bus bit 5.
D6
48
P4
I/O
Data bus bit 6.
D7
51
P5
I/O
Data bus bit 7.
D8
52
M5
I/O
Data bus bit 8.
D9
53
L5
I/O
Data bus bit 9.
D10
54
N6
I/O
Data bus bit 10.
D11
55
P6
I/O
Data bus bit 11.
D12
56
M6
I/O
Data bus bit 12.
D13
57
L6
I/O
Data bus bit 13.
D14
58
N7
I/O
Data bus bit 14.
D15
62
M7
I/O
Data bus bit 15.
D16
63
P8
I/O
Data bus bit 16.
D17
64
N8
I/O
Data bus bit 17.
D18
65
L8
I/O
Data bus bit 18.
D19
66
P9
I/O
Data bus bit 19.
D20
67
M9
I/O
Data bus bit 20.
D21
68
N9
I/O
Data bus bit 21.
Table 4. 403GCX Signal Descriptions
Signal
Name
Pin
Ball
I/O
Type
Function
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