参数资料
型号: PEB20324
厂商: INFINEON TECHNOLOGIES AG
英文描述: ICs for Communications
中文描述: 通信集成电路
文件页数: 25/63页
文件大小: 705K
代理商: PEB20324
PEB 20324
PEF 20324
Pin Descriptions
Hardware Reference Manual
25
04.99
Table 2-6
Pin Descriptions by Functional Block:
DEMUX Interface (additional signals to PCI Interface)
Symbol
Type Description
DPCI(1:0)
I
PCI/De-multiplexed Mode select
DPCI(1:0) = 00
2
: PCI Mode
DPCI(1:0) = 01
2
: reserved
DPCI(1:0) = 10
2
: PCI/De-multiplexed Mode
DPCI(1:0) = 11
2
: reserved
Pins DPCI(1:0) should be connected to V
DD3
/V
SS
to
achieve the appropriate mode selection.
A(27:2)
I/O
DEMUX Address Bus
These pins provide the address bus for the De-
multiplexed Interface, when DPCI(1:0) = 10
2
.
Pin No.
122, 123
58…61,
66…70,
73…76, 79,
124
…126,
129…133,
138…141
Note:
Pin 124 ’A27’ provides a buffered PCI clock output
signal if configured in PCI operation mode
(DPCI(1:0) = ’00’).
Write/Read
This signal distinguishes write and read operations in
the De-multiplexed mode. It is tristate when the
MUNICH128X is in PCI mode.
A Pull-Up resistor to V
DD3
is recommended if De-
multiplexed mode is not used.
80
W/R
I/O
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