38
Am79Q02/021/031 Data Sheet
SUMMARY OF MPI COMMANDS*
Note:
*All codes not listed are reserved by Legerity and should not be used.
Number
Hex
Description
1
00
Deactivate (Standby Mode)
2
02
Software Reset
3
04
Hardware Reset
4
06
No Operation
5
0E
Activate (Operational Mode)
6,7
40/41
Write/Read Transmit Time Slot and PCM Highway Selection
8,9
42/43
Write/Read Receive Time Slot and PCM Highway Selection
10,11
44/45
Write/Read REC & TX Clock Slot and TX Edge
12,13
46/47
Write/Read Configuration Register
14,15
4A/4B
Write/Read Channel Enable & Operating Mode Register
16
4D
Read Real Time Data Register
17
4F
Read Real Time Data Register and Clear Interrupt
18,19
50/51
Write/Read AISN and Analog Gains
20,21
52/53
Write/Read SLIC Input/Output Register
22,23
54,55
Write/Read SLIC Input/Output Direction and Status Bits
24,25
60/61
Write/Read Operating Functions
26,27
6C/6D
Write/Read Interrupt Mask Register
28,29
70/71
Write/Read Operating Conditions
30
73
Read Revision Code Number (RCN)
31,32
80/81
Write/Read GX Filter Coefficients
33,34
82/83
Write/Read GR Filter Coefficients
35,36
84/85
Write/Read Z Filter Coefficients (FIR and IIR)
37, 38
86/87
Write/Read B1 Filter Coefficients (FIR)
39, 40
88/89
Write/Read X Filter Coefficients
41, 42
8A/8B
Write/Read R Filter Coefficients
43, 44
96/97
Write/Read B2 Filter Coefficients (IIR)
45, 46
C8/C9
Write/Read Debounce Time Register
47
CD
Read Transmit PCM Data
48, 49
98/99
Write/Read Z Filter Coefficients (FIR only)
50, 51
9A/9B
Write/Read Z Filter Coefficients (IIR only)
52,53
E8/E9h
Write/Read Ground Key Filter Sampling Interval
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