msm7502 Oki Semiconductor, msm7502 Datasheet - Page 25

• Manufacturer Part Number: msm7502
• Description: Multi-function Pcm Codec Msm7502multi-function Pcm Codec
• Manufacturer: Oki Semiconductor

PB tone control
WRITE Mode
Address Data
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1
0
1
0
Control Data
AD1 = 0, AD0 = 0
PBTC
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
X
X
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
X
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
X
Output PB Frequency
PB
PB tone stop
D
1
2
3
A
4
5
6
B
7
8
9
C
*
0
#
697 Hz
697 Hz
697 Hz
697 Hz
770 Hz
770 Hz
770 Hz
770 Hz
852 Hz
852 Hz
852 Hz
852 Hz
941 Hz
941 Hz
941 Hz
941 Hz
Low
1209 Hz
1336 Hz
1477 Hz
1633 Hz
1209 Hz
1336 Hz
1477 Hz
1633 Hz
1209 Hz
1336 Hz
1477 Hz
1633 Hz
1209 Hz
1336 Hz
1477 Hz
1633 Hz
High
SW16, SW17, SW18: OFF
When PBTC = 0
PB tone is sent to the transmit path T0 and the receive path RPO.
When PBTC = 1
PB tone is sent to the receive path SPO only.
SW16: ON
SW17: ON
SW18: OFF
SW16: OFF
SW17: OFF
SW18: ON
Remarks