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參數資料
型號: W6692
廠商: WINBOND ELECTRONICS CORP
元件分類: 通信及網絡
英文描述: PCI Bus ISDN S/T Interface Controller(PCI總線的ISDN S/T接口控制器)
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP100
封裝: 14 X 20 MM, 2.75 MM HEIGHT, QFP-100
文件頁數: 60/84頁
文件大小: 473K
代理商: W6692
W6692
- 60 -
SPU Software Power Up
PD Power Down
SPU
0
PD
1
DESCRIPTION
After U transceiver power down, W6692 will receive the indication DC
(Deactivation Confirmation) from GCI bus and then software has to set SPU
0, PD
1 to enter Power Down state.
Setting SPU
1, PD
0 will pull the GCI bus DOUT line to low. This will
enforce connected layer 1 devices (U transceiver) to deliver GCI bus clocking.
After reception of the indication PU (Power Up indication) the reaction of the
microprocessor should be:
- to write an AR (Activate Request command) as C/I command code in the CIX
register.
- to reset the SPU bit and wait for the following ICC (indication code change)
interrupt.
unused.
1
0
0
0
1
1
GE GCI Mode Enable
Setting this bit to 1 will enable the GCI bus interface. In the same time, the S/T layer 1 function is
disabled.
8.1.33 Peripheral Address Register
XADDR
Read/Write
Address F4H
Value after reset : Undefined
The register content depends on PCTL: XMODE setting.
XMODE = 0: Simple IO mode
7
6
5
4
3
2
1
0
IO7
IO6
IO5
IO4
IO3
IO2
IO1
IO0
IO1-0 Read or Write Data of Pins IO1-0
Input data of pins IO1-0 if PCTL: OE0 = 0.
Output data of pins IO1-0 if PCTL: OE0 = 1.
IO3-2 Read or Write Data of Pins IO3-2
Input data of pins IO3-2 if PCTL: OE1 = 0.
Output data of pins IO3-2 if PCTL: OE1 = 1.
IO5-4 Read or Write Data of Pins IO5-4
Input data of pins IO5-4 if PCTL: OE2 = 0.
Output data of pins IO5-4 if PCTL: OE2 = 1.
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