參數(shù)資料
型號(hào)： W6694A
英文描述： TE Mode S/T Controller with USB 1.1 Interface
中文描述： TE模S / T的與USB 1.1接口控制器
文件頁(yè)數(shù)： 31/42頁(yè)
文件大?。?/td> 567K
代理商： W6694A
Preliminary Data Sheet
W6694A USB-ISDN S/T-Controller
PO2
Read/Write Address 0Ch
-31-
Publication Release Date: May, 2001
Revision 1.03
8.4.3 PIO Output Register 2
Value after reset: FFh
7
6
OM7_1
OM7_0
OMn_1-0
Output Mode of IO Pin n (n=7..4).
5
4
3
2
1
0
OM6_1
OM6_0
OM5_1
OM5_0
OM4_1
OM4_0
8.4.4 PIO Data Register
Value after reset: 00h
7
D7
D6
D7-0 Read Data of IO Pins 7-0
The corresponding bits are the present values of input pins 7-0 (LOW=0, HIGH=1).
PDATA
Read
Address 0Dh
6
5
4
3
2
1
0
D5
D4
D3
D2
D1
D0
8.5 B Channel Switch Registers
8.5.1 Layer1 B1 Receiver Select Register
Value after reset: 04h
7
6
0
0
RS2-0 Receiver Select
These bits select the source where layer 1 B1 channel will receive data from. Possible values are:
000 (0): receive from PCM1
001 (1): receive from PCM2
010 (2): receive from Layer1 B1
100 (4): receive from USB B1
L1B1RS
Read/Write Address 0Eh
5
0
4
0
3
0
2
1
0
RS2
RS1
RS0
8.5.2 Layer1 B2 Receiver Select Register
Value after reset: 05h
7
6
0
0
RS2-0 Receiver Select
These bits select the source where layer 1 B2 channel will receive data from. Possible values are:
000 (0): receive from PCM1
001 (1): receive from PCM2
011 (3): receive from Layer1 B2
101 (5): receive from USB B2
L1B2RS
Read/Write Address 0Fh
5
0
4
0
3
0
2
1
0
RS2
RS1
RS0
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