IBM25403GCX-3BC80C2 参数 Datasheet PDF下载

IBM

PowerPC 403GCX

Pin/Ball Functional Descriptions

Active-low signals are shown with overbars: DMAR0. Multiplexed signals are alphabetized under the first

(unmultiplexed) signal names on the same pins/balls. The logic symbol on the preceding page shows all

403GCX signals arranged by functional groups.

Table 4. 403GCX Signal Descriptions

Signal

Name

A6

Pin Ball

1

92

K12

I/O

Type

I/O

Function

Address Bus Bit 6. When the 403GCX is bus master, this is an

address output from the 403GCX. When the 403GCX is not bus

master, this is an address input from the external bus master, to

determine bank register usage.

Address Bus Bit 7. See description of A6.

Address Bus Bit 8. See description of A6.

Address Bus Bit 9. See description of A6.

Address Bus Bit 10. See description of A6.

Address Bus Bit 11. See description of A6.

Address Bus Bit 12. When the 403GCX is bus master, this is an

address output from the 403GCX.

Address Bus Bit 13. See description of A12.

Address Bus Bit 14. See description of A12.

Address Bus Bit 15. See description of A12.

Address Bus Bit 16. See description of A12.

Address Bus Bit 17. See description of A12.

Address Bus Bit 18. See description of A12.

Address Bus Bit 19. See description of A12.

Address Bus Bit 20. See description of A12.

Address Bus Bit 21. See description of A12.

Address Bus Bit 22. When the 403GCX is bus master, this is an

address output from the 403GCX. When the 403GCX is not bus

master, this is an address input from the external bus master, to

determine page crossings.

Address Bus Bit 23. See description of A22.

Address Bus Bit 24. See description of A22.

Address Bus Bit 25. See description of A22.

Address Bus Bit 26. See description of A22.

Address Bus Bit 27. See description of A22.

Address Bus Bit 28. See description of A22.

A7

A8

A9

A10

A11

A12

93

94

95

96

97

98

K11

J13

J14

J12

J11

H13

I/O

I/O

I/O

I/O

I/O

O

A13

A14

A15

A16

A17

A18

A19

A20

A21

A22

99

H14

O

O

O

O

O

O

O

O

O

I/O

103 G14

104 G13

105 G11

106 F14

107 F12

108 F13

109 F11

110 E14

112 E13

A23

A24

A25

A26

A27

A28

113 E11

114 D14

115 D12

116 D13

117 C14

118 C12

I/O

I/O

I/O

I/O

I/O

I/O

9