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| 型號： | IBM25403GCX-3JC76C2 |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | RISC PROCESSOR, PQFP16 |
| 封裝： | PLASTIC, QFP-160 |
| 文件頁數(shù)： | 4/54頁 |
| 文件大?。?/td> | 541K |
| 代理商： | IBM25403GCX-3JC76C2 |
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IBM PowerPC 403GCX
12
DSR/CTS
28
J2
I
Data Set Ready / Clear to Send. The function of this pin as either
DSR or CTS is selectable via the Serial Port Conguration bit in the
IOCR.
DTR/RTS
88
L14
O
Data Terminal Ready / Request to Send. The function of this pin as
either DTR or RTS is selectable via the Serial Port Conguration bit
in the IOCR.
EOT0/TC0
128
A11
I/O
End of Transfer 0 / Terminal Count 0. The function of the EOT0/TC0
is controlled via the EOT/TC bit in the DMA Channel 0 Control Reg-
ister. When EOT0/TC0 is congured as an End of Transfer pin,
external users may stop a DMA transfer by placing a logic 0 on this
input pin. When congured as a Terminal Count pin, the 403GCX
signals the completion of a DMA transfer by placing a logic 0 on this
pin.
EOT1/TC1
131
A10
I/O
End of Transfer 1 / Terminal Count 1. See description of EOT0/TC0.
EOT2/TC2
132
C10
I/O
End of Transfer 2 / Terminal Count 2. See description of EOT0/TC0.
EOT3/TC3/
XSize0
133
D10
I/O
End of Transfer 3 / Terminal Count 3 / External Master Transfer Size
0. When the 403GCX is bus master, this pin has the same function
as EOT0/TC0.
When the 403GCX is not bus master, EOT3/TC3/XSize0 is used as
one of two external transfer size input bits, XSize0:1.
Error
136
C9
O
System Error. Error goes to a logic 1 whenever a machine check
error is detected in the 403GCX. The Error pin then remains a logic
1 until the machine check error is cleared in the Exception Syn-
drome Register and/or Bus Error Syndrome Register.
GND
1
G7
Ground. All ground pins must be used.
10
E2
Ground. All ground pins must be used.
15
F1
Ground. All ground pins must be used.
29
J4
Ground. All ground pins must be used.
30
K1
Ground. All ground pins must be used.
41
H7
Ground. All ground pins must be used.
50
N5
Ground. All ground pins must be used.
59
P7
Ground. All ground pins must be used.
60
L7
Ground. All ground pins must be used.
70
P10
Ground. All ground pins must be used.
81
H8
Ground. All ground pins must be used.
Table 4. 403GCX Signal Descriptions
Signal
Name
Pin
Ball
I/O
Type
Function
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