Baseband Processor For Mixed Mode Land Mobile Radio
CMX880
$01 GENERAL RESET: address only.
The reset command has no data attached to it. It sets the device registers into the states listed below.
Addr.
REG.
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
$B0
ANALOGUE INPUT PATH
CONFIGURATION
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
$B1
ANALOGUE OUTPUT PATH
CONFIGURATION
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
X
0
0
0
0
X
0
0
0
0
X
0
0
0
0
X
0
0
0
0
X
0
0
0
0
X
0
0
0
0
X
0
0
0
0
X
0
$B2
$B3
$B4
$C0
RSSI THRESHOLDS
RSSI TIMING
RSSI MEASUREMENT DATA
POWER DOWN AND RAMP
RATE
0
0
0
0
0
0
0
0
$C1
$C2
$C3
$C5
$C6
$C7
TRANSMIT MODE CONTROL
RECEIVE MODE CONTROL
TX DATA
RX DATA
STATUS
FFSK/MSK SYND (RX SYNC)
(preset to MPT1327 SYNC)
‘PROGRAMMING REGISTER’
C4FM FS CROSS-
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
1
$C8
$C9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
CORRELATION PEAK
$CA
FFSK/MSK SYNC
1
1
0
0
0
1
0
0
1
1
0
1
0
1
1
1
(preset to MPT1327 SYNC)
TX SELCALL TONE
SUB-AUDIO AND SELCALL
STATUS
$CB
$CC
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
$CD
$CE
$CF
DTMF TX AND TONE LEVEL
INTERRUPT MASK
Reserved Register Address
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2001 Consumer Microcircuits Limited
42
D/880/1
CMLMICRO [ CML MICROCIRCUITS ]
