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参数资料
| 型号： | MUNICH128X |
| 厂商： | SIEMENS A G |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 4 CHANNEL(S), 8.192M bps, LOCAL AREA NETWORK CONTROLLER, PQFP160 |
| 封装： | METRIC, PLASTIC, QFP-160 |
| 文件页数： | 17/39页 |
| 文件大小： | 227K |
| 代理商： | MUNICH128X |
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MUNICH128X
Pin Descriptions
Semiconductor Group
24
1997-12-01
1
IDSEL
I
Initialization Device Select
When MUNICH128X is slave in a transaction, if IDSEL
is active in the address phase and C/BE(3:0) indicates
a Config read or write, the MUNICH128X assumes a
read or write to a configuration register. In response,
the MUNICH128X asserts DEVSEL during the
subsequent CLK cycle.
IDSEL is sampled on the rising edge of CLK.
22
DEVSEL
s/t/s
Device Select
When activated by a slave, it indicates to the current
bus master that the slave has decoded its address as
the target of the current transaction. If no bus slave
activates DEVSEL within six bus CLK cycles, the
master should abort the transaction.
When MUNICH128X is Master, DEVSEL is input. If
DEVSEL is not activated within six clock cycles after
an address is output on AD(31:0), the MUNICH128X
aborts the transaction and generates an INTA.
When MUNICH128X is Slave, DEVSEL is output.
26
PERR
s/t/s
Parity Error
When activated, indicates a parity error over the
AD(31:0) and C/BE(3:0) signals (compared to the
PAR input). It has a delay of one CLK cycle with
respect to AD and C/BE(3:0) (i.e., it is valid for the
cycle immediately following the corresponding PAR
cycle).
PERR is asserted relative to the rising edge of CLK.
27
SERR
o/d
System Error
The MUNICH128X asserts this signal to indicate a
fatal system error.
SERR is sampled on the rising edge of CLK.
147
REQ
t/s
Request
Used by the MUNICH128X to request control of the
PCI.
REQ is sampled on the rising edge of CLK.
Table 5
Pin Descriptions by Functional Block (cont’d)
PCI Interface
Pin No.
Symbol
Type Description
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