參數(shù)資料
型號： AM79C30AJC
廠商： ADVANCED MICRO DEVICES INC
元件分類： 數(shù)字傳輸電路
英文描述： Digital Subscriber Controller⑩ (DSC⑩) Circuit
中文描述： DATACOM, DIGITAL SLIC, PQCC44
封裝： PLASTIC, LCC-44
文件頁數(shù)： 14/101頁
文件大小： 1607K
代理商： AM79C30AJC
14
Am79C30A/32A Data Sheet
Table 7.
Indirect Register Access Guide
Operation
Block
Register
Register
Number
Indirect Name
Mode
Address
Byte Sequence
INIT
Initialization Register
1
INIT
R/W
21H
One byte transferred
INIT
Initialization Register 2
2
INIT2
R/W
20H
One byte transferred
LIU
LIU Status Register
1
LSR
R
A1H
One byte transferred
LIU
LIU Priority Register
2
LPR
R/W
A2H
One byte transferred
LIU
LIU Mode Register 1
3
LMR1
R/W
A3H
One byte transferred
One byte transferred
LIU
LIU Mode Register 2
4
LMR2
R/W
A4H
One byte transferred
LIU
—
5
Perform 2–4
–
A5H
LIU
Multiframe Register
6
MF
R/W
A6H
One byte transferred
LIU
Multiframe S-bit/Status Register
7
MFSB
R
A7H
One byte transferred
LIU
Multiframe Q-bit buffer
8
MFQB
W
A8H
One byte transferred
MUX
MUX Control Register 1
1
MCR1
R/W
41H
One byte transferred
MUX
MUX Control Register 2
2
MCR2
R/W
42H
One byte transferred
MUX
MUX Control Register 3
3
MCR3
R/W
43H
One byte transferred
MUX
MUX Control Register 4
4
MCR4
R/W
44H
One byte transferred
MUX
—
5
Perform 1–4
—
45H
MCR1, 2, 3, 4
MAP
X filter Coefficient Register
1
X Coeff.
R/W
61H
h0 LSB, h0 MSB...h7 MSB
MAP
R filter Coefficient Register
2
R Coeff.
R/W
62H
h0 LSB, h0 MSB...h7 MSB
MAP
GX Gain Coefficient Register
3
GX Coeff.
R/W
63H
LSB, MSB
MAP
GR Gain Coefficient Register
4
GR Coeff.
R/W
64H
LSB, MSB
MAP
GER Gain Coefficient Register
5
GER Coeff.
R/W
65H
LSB, MSB
MAP
Sidetone Gain Coefficient Register
6
STG Coeff.
R/W
66H
LSB, MSB
MAP
Frequency Tone Generator Register
1, 2
7
FTGR1, FTGR2
R/W
67H
FTGR1, 2
MAP
Amplitude Tone Generator Register
1, 2
8
ATGR1,ATGR2
R/W
68H
ATGR1, 2
MAP
MAP Mode Register 1
9
MMR1
R/W
69H
One byte transferred
MAP
MAP Mode Register 2
10
MMR2
R/W
6AH
One byte transferred
MAP
—
11
Perform 1–10
—
6BH
46 bytes loaded 1–10
MAP
MAP Mode Register 3
12
MMR3
R/W
6CH
One byte transferred
MAP
Secondary Tone Ringer Amplitude
13
STRA
R/W
6DH
One byte transferred
MAP
Secondary Tone Ringer Frequency
14
STRF
R/W
6EH
One byte transferred
MAP
Transmit Peak Register
15
PEAKX
R
70H
One byte transferred
MAP
Receive Peak Register
16
PEAKR
R
71H
One byte transferred
MAP
—
17
Perform 15–16
R
72H
One byte transferred
DLC
First Received Byte Address
Registers 1, 2, 3
1
FRAR 1, 2, 3
R/W
81H
FRAR1, 2
DLC
Second Received Byte Address
Registers 1, 2, 3
2
SRAR1, 2, 3
R/W
82H
SRAR1, 2
DLC
Transmit Address Register
3
TAR
R/W
83H
LSB, MSB
DLC
D-channel Receive Byte Limit
Register
4
DRLR
R/W
84H
LSB, MSB
DLC
D-channel Transmit Byte Count
Register
5
DTCR
R/W
85H
LSB, MSB
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