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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： | 18/39页 |
| 文件大小： | 227K |
| 代理商： | MUNICH128X |
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MUNICH128X
Pin Descriptions
Semiconductor Group
25
1997-12-01
146
GNT
t/s
Grant
This signal is asserted by the arbiter to grant control of
the PCI to the MUNICH128X in response to a bus
request via REQ. After GNT is asserted, the
MUNICH128X will begin a bus transaction only after
the current bus Master has deasserted the FRAME
signal.
GNT is sampled on the rising edge of CLK.
145
CLK
I
Clock
Provides timing for all PCI transactions. Most PCI
signals are sampled or output relative to the rising
edge of CLK. The maximum CLK frequency is
33 MHz.
142
RST
I
Reset
An active RST signal brings all PCI registers,
sequencers and signals into a consistent state. All PCI
output signals are driven to their initial state.
57
INTA
O
(o/d)
Interrupt Request
When an interrupt status is active and unmasked, the
MUNICH128X activates this open-drain output.
Examples of interrupt sources are
transmission/reception error, completion of transmit or
receive packets etc. The MUNICH128X deactivates
INTA when the global interrupt status register STAT is
read.
INTA is activated/deactivated asynchronous to the
CLK.
Table 5
Pin Descriptions by Functional Block (cont’d)
PCI Interface
Pin No.
Symbol
Type Description
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