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參數(shù)資料
型號: W6690
廠商: WINBOND ELECTRONICS CORP
英文描述: ISDN S/T Interface Controller(ISDN S/T接口控制器)
中文描述: 綜合業(yè)務數(shù)字網的S / T接口控制器(綜合業(yè)務數(shù)字網S / T的接口控制器)
文件頁數(shù): 40/76頁
文件大小: 471K
代理商: W6690
Preliminary W6690
- 40 -
Table 8.4 Register summary: Chip Control and D channel HDLC, continued
OFFSET
R/W
NAME
7
6
5
4
3
2
1
0
0E
R/W
D_TAM
TAM7
TAM6
TAM5
TAM4
TAM3
TAM2
TAM1
TAM0
0F
R/W
D_TEI1
TA17
TA16
TA15
TA14
TA13
TA12
TA11
TA10
10
R/W
D_TEI2
TA27
TA26
TA25
TA24
TA23
TA22
TA21
TA20
11
R
D_RBCH
VN1
VN0
LOV
RBC12
RBC11 RBC10
RBC9
RBC8
12
R
D_RBCL
RBC7
RBC6
RBC5
RBC4
RBC3
RBC2
RBC1
RBC0
13
Reserved
14
Reserved
15
R/W
D_CTL
WTT1
WTT2
SRST
TPS
OPC1
OPC0
16
R
CIR
QCC
ICC
CODR3 CODR2
CODR1
CODR0
17
W
CIX
CODX3 CODX2
CODX1
CODX0
18
R
SQR
MSYN
QCIE
Q1
Q2
Q3
Q4
19
W
SQX
QCIE
S1
S2
S3
S4
1A
R/W
PCTL
PXC
8.1.1 D_ch receive FIFO
D_RFIFO
Read
Address 00H
The D_RFIFO has a length of 64 bytes.
After a D_RMR interrupt, exactly 32 bytes are available.
After a D_RME interrupt, the number of bytes available equals RBC4-0 bits in the D_RBCL register.
8.1.2 D_ch transmit FIFO
D_XFIFO
Write
Address 01H
The D_XFIFO has a length of 64 bytes.
After an D_XFR interrupt, up to 32 bytes of data can be written into this FIFO for transmission. At the
first time, up to 64 bytes of data can be written.
8.1.3 D_ch command register D_CMDR
Write
Address 02H
Value after reset: 00H
7
6
5
4
3
2
1
0
RACK
RRST
STT
XMS
XME
XRST
RACK Receive Acknowledge
After a D_RMR or D_RME interrupt, the processor must read out the data in D_RFIFO and then sets
this bit to acknowledge the interrupt.
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