RTE-V831-PC
USER’S MANUAL (Rev. 2.00)
19
8.10.
AUDIO CONTROLLER (AUDCNT) (4580-0000H TO 4580-0010H, 4580-2000H)
AUDCNT controls digital data input to and output from the audio chip (
m
PD63310).
Logical address
Register
Data bus
D15
D14
D13
D12
D11
D10
D9
D8
RST
0
0
0
0
RM1
RM0
REC
D7
D6
D5
D4
D3
D2
D1
D0
4580-0000H
C O N T R O L
0
0
0
0
0
PM1
PM0
PLY
D15
D14
D13
D12
D11
D10
D9
D8
0
FF1
HF1
EF1
0
ROV
RUD
REX
D7
D6
D5
D4
D3
D2
D1
D0
4580-0008H
S T A T U S
0
FF0
HF0
EF0
0
POV
PUD
PEX
D15
D14
D13
D12
D11
D10
D9
D8
0
0
0
0
0
0
0
0
D7
D6
D5
D4
D3
D2
D1
D0
4580-0010H
M C L K D I V
0
0
0
DIV4
DIV3
DIV2
DIV1
DIV0
D15
• • •
D0
4580-2000H
A U D I O D A T A
MSB
L/R channel voice data
LSB
The CONTROL register controls voice recording/replay. (Read/write)
RST
Audio reset
0
Reset clear
(Reset value)
1
Reset
PLY
Replay operation
0
Stop
(Reset value)
1
Start
PM1
Overflow interrupt upon replay
0
Disable
(Reset value)
1
Enable
PM0
Underflow interrupt upon replay
0
Disable
(Reset value)
1
Enable
REC
Recording operation
0
Stop
(Reset value)
1
Start
RM1
Overflow interrupt upon recording
0
Disable
(Reset value)
1
Enable
RM0
Underflow interrupt upon recording
0
Disable
(Reset value)
1
Enable