RFX144V24-S23 and RFX96V24-S23 Modem Designer’s Guide
3-2
1070
Register
Reg.
Bit
Function
Addr.
7
6
5
4
3
2
1
0
Default
Interrupt Handling
1F
PIA
—
—
PIE
PIREQ
—
—
SETUP
XX0-XX0
1E
B2IA
B1IA
B2I1E
B2I2E
B2A
B1I1E
B1I2E
B1A
--00-00-
High Speed Control & Status
1D
SHPR*
ASPEED*
PR*
PRDET*
—
—
—
—
0000XXXX
DTMF Status
1C
EDET
DTDET
OTS
DTMFD
DTMF
--------
General Purpose Outputs
1B
GPO7
GPO6
GPO5
GPO4
GPO3
GPO2
GPO1
GPO0
11111111
RAM Access and
Voice/Relay Control
1A
SBRAM2
SBRAM1
DCDEN
CDEN
VOXREC
AGCDIS
RB
RA
00000X00
Not Available
19
—
—
—
—
—
—
—
—
XXXXXXXX
V.23 Control
18
—
—
—
—
—
—
TDBE
—
XXXXXXXX
Voice/Audio Codec Status
17
EDETC
DTDETC
OTSC
DTMFDC
VOX
RI
FRx
VOVUN
--------
General Purpose Inputs
16
GPI7
GPI6
GPI5
GPI4
GPI3
GPI2
GPI1
GPI0
--------
RAM Access 2, V.23, and
HDLC Control
15
ACC2
AREX2
AEOF
DR2
IO2/
CEQ
BR2/
ANS
WRT2
CR2/
V23HDX
00000000
V.23 Control
14
TXSQ
BRKS
PARSL
PEN
STB
WDSZ
00000000
Voice/Audio Codec Control
14
TND8K
AGCSEL
DCVOX/
ENUPDT
0
FAST50
FAST33
SLOW
NORM
00000000
RAM Access 2
14
RAM ADDRESS 2 (ADD2)
00000000
Address/Data
13
X RAM DATA 2 MSB (XDAM2)/SINGLE BANK RAM ADDRESS 2 MSB (SBAD2M)
--------
12
X RAM DATA 2 LSB (XDAL2)/SINGLE BANK RAM ADDRESS 2 LSB (SBAD2L)/TBUFFER
--------
11
Y RAM DATA 2 MSB (YDAM2)
--------
10
Y RAM DATA 2 LSB (YDAL2)/DATA BUFFER (DBUFF)
--------
Speakerphone,
0F
—
TONEIE
TONEXE
AGCIE
AGCXE
—
ECHOAT
-0011-00
Voice/Audio Codec Control
0E
TTONEE
VOLUP
VOLDWN
SP/HS
MUTEI
MUTEX
MICLVL
-0010101
High Speed Status
0F
FED
—
—
—
—
CTSP
CDET
--XXXX--
0E
FSKFLS
—
—
—
—
—
—
—
-XXXXXXX
0D
RX
PNDET
—
—
—
HPFEN
—
—
--XXX0XX
0C
—
—
DATA
SCR1
PN
P2
P1
—
XX-----X
Programmable Interrupt
0B
ITBMSK
00000000
Control
0A
TRIG
ANDOR
ITADRS
00000000
High Speed Control, V.23,
and HDLC Control & Status
09
OVRUN/
OE
EQSV
EQFZ
ZEROC
ABIDL
EOF
BRKD
CRC/
FE
FLAG/
PE
-000----
Tone Detect, V.23, & High
Speed Control & Status
08
FR3
FR2
FR1
12TH
PNSUC/
UE
FSK7E
DCABLE
PDEQZ
0000-000
Mode Control**
07
RTSP
TDIS/
CODECS
PDM/
RMM
SHTR
EPT
SQEXT
0
HDLC
00001000
06
CONF
00010100
RAM Access 1 Control and
Programmable Interrupt
Control
05
ACC1
AREX1
PIDR
DR1
IO1
BR1
WRT1
CR1
10000101
RAM Access 1
04
RAM ADDRESS 1 (ADD1)
00010111
Address/Data
03
X RAM DATA 1 MSB (XDAM1)/SINGLE BANK RAM ADDRESS 1 MSB (SBAD1M)
--------
02
X RAM DATA 1 LSB (XDAL1)/SINGLE BANK RAM ADDRESS 1 LSB (SBAD1L)
--------
01
Y RAM DATA 1 MSB (YDAM1)
--------
00
Y RAM DATA 1 LSB (YDAL1)
--------
Notes:
* RFX144 only.
* * A changed value in these registers (except RTSP and TDIS) require the setting of SETUP to become active.
— This symbol in the “Bit” columns indicates that the bit is reserved for modem use only (do not alter X value in “Default Value” column).
- This symbol in the “Default Value” column indicates that the value is determined by operating conditions.
Figure 3-1. Interface Memory Map
Содержание RFX144V24-S23
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