ALC5642-VF
Datasheet
6. Pin Descriptions
6.1. Digital I/O Pins
Table 1. Digital I/O Pins
Name
Type Pin
Description
Characteristic Definition
Schmitt trigger
First I2S interface serial data input
DACDAT1
ADCDAT1
I
33
(VIL=0.35*DBVDD, VIH=0.65*DBVDD)
VOL=0.1*DBVDD, VOH=0.9*DBVDD
Master: VOL =0.1*DBVDD, VOH =0.9*DBVDD
O
34 First I2S interface serial data output
First I2S interface serial bit clock
36
BCLK1
LRCK1
I/O
I/O
Slave: Schmitt trigger
(VIL=0.35*DBVDD, VIH=0.65*DBVDD)
Master: VOL =0.1*DBVDD, VOH =0.9*DBVDD
First I2S interface synchronous signal
35
Slave: Schmitt trigger
(VIL=0.35*DBVDD, VIH=0.65*DBVDD)
Schmitt trigger
Second I2S interface serial data input
31
DACDAT2
ADCDAT2
I
(VIL=0.35*DBVDD, VIH=0.65*DBVDD)
VOL=0.1*DBVDD, VOH=0.9*DBVDD
O
32 Second I2S interface serial data output
Master: VOL =0.1*DBVDD, VOH =0.9*DBVDD
Second I2S interface serial bit clock
30
BCLK2
LRCK2
I/O
I/O
Slave: Schmitt trigger
(VIL=0.35*DBVDD, VIH=0.65*DBVDD)
Master: VOL =0.1*DBVDD, VOH =0.9*DBVDD
Second I2S interface synchronous signal
29
Slave: Schmitt trigger
(VIL=0.35*DBVDD, VIH=0.65*DBVDD)
Open drain structure
SDA
SCL
I/O
I
39 I2C interface serial data
38 I2C interface clock input
Schmitt trigger
Schmitt trigger
I2S interface master clock input
37
MCLK
I
(VIL=0.35*DBVDD, VIH=0.65*DBVDD)
Output: VOL =0.1*DBVDD, VOH =0.9*DBVDD
General purpose input and output
GPIO1/IRQ
I/O
I/O
40
Interrupt output
Input: Schmitt trigger
Output: VOL =0.1*DBVDD, VOH =0.9*DBVDD
General purpose input and output
GPIO2/
DMIC_SCL
41
Digital microphone clock output
Input: Schmitt trigger
Input threshold:
LDO1 enable control, for digital core
power DCVDD
LDO1_EN
I
44
VIL = 0.35*DBVDD
VIH = 0.65*DBVDD
Total: 14 Pins
Low: Disable, High: Enable
Multi-Channel Audio Hub/CODEC with embedded Voice
DSP and SounzRealTM Digital Sound Effect
8
Rev. 0.93
REALTEK [ Realtek Semiconductor Corp. ]
