CMX989 Datasheet, PDF (10/31 Pages) CML Microcircuits – CDPD MAC and Data Pump Processor

CDPD MAC and Data Pump Processor
1.5.3 Software Description
CMX989
Write Only Registers
Register Address Register Name
Function
A2 A1 A0 Write to Modem
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0 0 0 TX DATA BUFFER
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0 0 1 TX COLOUR CODE Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0 1 0 TX CONTROL
0
0
0
FORCE
COLOUR
ENDSEQ ENDFRM START ENABTX
CODE
0 1 1 RX CONTROL
RESET
0
0
ZERO POWER ENABRX
← SYNC ERROR LIMIT →
1
0
0
RX MODEM
CONTROL
0
0
LEVRES
AQLEV
AQBC
PLLBW
1
0
1
TX MODEM
CONTROL
← MOD 2 GAIN →
← MOD 1 GAIN →
1 1 0 IRQ MASK
SYNCM DECM IDLEM
TXM
COLOURM ERRM
RXM RXFRMM
1 1 1 IRQ MASK 2
BLKRDY
0 RXDEBUG TXWITHNORX TXRFM RXPULSE RX Bit 1 RX Bit 0
M
Read Only Registers
Register Address Register Name
Function
A2 A1 A0 Read from Modem
Bit 7
Bit 6
Bit 5
Bit 4
0 0 0 RX DATA BUFFER
Bit 7
Bit 6
Bit 5
Bit 4
0 0 1 RX COLOUR CODE
Bit 7
Bit 6
Bit 5
Bit 4
0 1 0 STATUS
SYNC DEC
IDLE
0
0 1 1 IRQ FLAGS
SYNCF DECF IDLEF
TXF
1 0 0 RX ERROR DATA
← CORRECTED ERRORS →
1 0 1 IRQ FLAGS 2
BLKRDYF ENV EOPN
0
110
*** reserved ***
0
0
0
0
011
*** reserved ***
0
0
0
0
© 2001 Consumer Microcircuits Limited
10
Bit 3
Bit 3
Bit 3
TXRFEN
COLOURF
OVER8
TXRFF
0
0
Bit 2
Bit 1
Bit 0
Bit 2
Bit 1
Bit 0
Bit 2
Bit 1
Bit 0
ERR
0
0
ERRF
RXF RXFRMF
← SYNC ERRORS →
0
0
0
0
0
0
0
0
0
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