MAS9191AJ MAS [Micro Analog systems], MAS9191AJ Datasheet - Page 32

• Manufacturer Part Number: MAS9191AJ
• Description: Single Chip AMPS/ETACS/NAMPS Audio/Data Processor
• Manufacturer: MAS [Micro Analog systems]

FUNCTIONS
The received word is read by reading register 15
Register 15
Register 16
Register 17
Register 18
7-0
7-0
7-0
7-0
7-0
Bit
Bit
Bit
Bit
Name
RX byte
SYS1 = 0
RX byte
SYS1 = 1
Name
DAC1[7:0]
Name
DAC2[7:0]
Name
DAC3[7:0]
HEX
HEX
HEX
HEX
(read only)
(write only)
(write only)
(write only)
00H-FFH
00H-FFH
00H-FFH
00H-FFH
00H-FFH
State
State
State
State
FFH
FFH
FFH
80H
00H
7FH
80H
00H
7FH
80H
00H
7FH
Function
1
2
byte
3
4
Captured byte with 400Hz after data comparator.
MSB = first captured bit.
Function
Control port for DAC1 output level
100mV
100mV
100mV
100mV
Function
Control port for DAC2 output level
100mV
100mV
100mV
100mV
Function
Control port for DAC3 output level
100mV
100mV
100mV
100mV
st
nd
rd
th
byte
byte
byte
HEX
DC
DC
DC
DC
DC
DC
DC
DC
DC
DC
DC
DC
+ 7FH x 13mV
+ 80H x 13mV
+ FFH x 13mV
+ 7FH x 13mV
+ 80H x 13mV
+ FFH x 13mV
+ 7FH x 13mV
+ 80H x 13mV
+ FFH x 13mV
four times.
b16
b24
b0
b8
b17
b25
b1
b9
DC
DC
DC
DC
DC
DC
DC
DC
DC
When RXWRD is high
b10
b18
b26
b2
b11
b19
b27
b3
b12
b20
b4
0
b13
b21
b5
0
DA9191A.000
July 31, 1997
b14
b22
b6
0
b15
b23
b7
0
32