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參數(shù)資料
型號: W66910CD
廠商: WINBOND ELECTRONICS CORP
元件分類: 通信及網(wǎng)絡(luò)
英文描述: TE Mode ISDN S/T-Controller with Microprocessor Interface
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP100
封裝: 14 X 20 MM, 1.40 MM HEIGHT, QFP-100
文件頁數(shù): 65/81頁
文件大小: 681K
代理商: W66910CD
Data Sheet
W66910 PCI ISDN S/T-Controller
Publication Release Date:
Feb,2001
Revision 1.0
-65 -
TABLE 8.4 REGISTER SUMMARY: B1 CHANNEL HDLC
Offset R/W
20
21
22
23
24
25
26
27
28
29
2A
2B
2C
2D
Name
7
6
5
4
3
2
1
0
R
W
R/W B1_CMDR
R/W B1_MODE
R_clr B1_EXIR
R/W B1_EXIM
R
B1_STAR
R/W B1_ADM1
R/W B1_ADM2
R/W B1_ADR1
R/W B1_ADR2
R
B1_RBCL
R
B1_RBCH
R/W B1_IDLE
B1_RFIFO
B1_XFIFO
RACK
MMS
MA17
MA27
RA17
RA27
RBC7
IDLE7
RRST
ITF
RMR
RMR
RDOV
MA16
MA26
RA16
RA26
RBC6
IDLE6
RACT
EPCM
RME
RME
CRCE
MA15
MA25
RA15
RA25
RBC5
LOV
IDLE5
XACTB B1_128K XMS
B1_SW1 B1_SW0 SW56
RDOV
RDOV
RMB
MA14
MA13
MA24
MA23
RA14
RA13
RA24
RA23
RBC4
RBC3
RBC12
RBC11
IDLE4
IDLE3
XME
FTS1
XFR
XFR
MA11
MA21
RA11
RA21
RBC1
RBC9
IDLE1
XRST
FTS0
XDUN
XDUN
XBZ
MA10
MA20
RA10
RA20
RBC0
RBC8
IDLE0
XDOW
MA12
MA22
RA12
RA22
RBC2
RBC10
IDLE2
8.2.1 B1_ch receive FIFO
The B1_RFIFO is a 128-byte depth FIFO memory with programmable threshold. The threshold value determines when to
generate an interrupt.
When more than a threshold length of data has been received, a RMR interrupt is generated. After an RMR interrupt, 64 or 96
bytes can be read out, depending on the threshold setting.
n transparent mode, when the end of frame has been received, a RME interrupt is generated. After an RME interrupt, the
number of bytes available is less than or equal to the threshold value.
B1_RFIFO
Read
Address 20H
8.2.2 B1_ch transmit FIFO
The B1_XFIFO is a 128-byte depth FIFO with programmable threshold value. The threshold setting is the same as B1_RFIFO.
B1_XFIFO
Write
Address 21H
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