µ
PD9930
1.2 PIN EQUIVALENT CIRCUIT
Type 1
AV
DD
Type 2
AV
DD
Analog input
To internal circuit
Analog input
To internal circuit
AGND
Pin Name MICI+, MICI–, XAUXI–, REC2I–
Type 3
AV
DD
AGND
Pin Name MIXI, XACOMI, RACOMI
Type 4
DV
DD
Analog output
From internal circuit
CMOS input
To internal
circuit
AGND
Pin Name MICO, XAUXO, XACOMO, RACOMO,
REC2O+, REC2O–, REC1O, RAUXO
Type 5
DV
DD
Mask input
CMOS input
To internal
circuit
CMOS input
DGND
Pin Name MDAT, MCLK, DSPSEL, REQB,
RESETB, FSYNC, TEST, MSTR
Type 6
Note
DV
DD
To internal
circuit
DGND
DGND
Pin Name SI
Type 7
Note
DV
DD
DV
DD
Pin Name TC1, TC2
Type 8
P
CMOS input
To internal
circuit
CMOS output
From internal
circuit
N
DGND
Pin Name TIMER, RINGER, SEN, SO, SCLK
DV
DD
P
CMOS output
From internal
circuit
N
DGND
Pin Name DO, DCLK
Enable signal
DV
DD
DGND
Pin Name DRSTB, DI
Type 9
Note
In normal mode, set the output of drive IC side to high impedance for reducing power consumption.
8
NEC [ NEC ]
