Cirrus Logic CS44800 - Manual (Page 20)

20 DS632F1
CS44800
2.1 I/O Pin Characteristics
Signal Name
Power
Rail I/O Driver Receiver
RST VLC Input - 2.5 V and 3.3/5.0 V TTL Compatible.
SCL/CCLK VLC Input - 2.5 V and 3.3/5.0 V TTL Compatible, with Hysteresis.
SDA/CDOUT VLC
Input /
Output 2.5-5.0 V,
CMOS/Open Drain
2.5 V and 3.3/5.0 V TTL Compatible, with Hysteresis.
AD0/CS VLC Input - 2.5 V and 3.3/5.0 V TTL Compatible, Internal pull-up.
AD1/CDIN VLC Input - 2.5 V and 3.3/5.0 V TTL Compatible, Internal pull-up.
INT VLC Output
2.5-5.0 V,
CMOS/Open Drain
-
MUTE VLC Input - 2.5 V and 3.3/5.0 V TTL Compatible.
DAI_SDINx VLS Input - 2.5 V and 3.3/5.0 V TTL Compatible.
DAI_SCLK VLS Input - 2.5 V and 3.3/5.0 V TTL Compatible.
DAI_LRCK VLS Input - 2.5 V and 3.3/5.0 V TTL Compatible.
DAI_MCLK VLS Input - 2.5 V and 3.3/5.0 V TTL Compatible.
SYS_CLK VLS Output 2.5-5.0 V, CMOS -
XTI VDX Input - 2.5 V and 3.3/5.0 V TTL Compatible, Internal pull-down.
XTO VDX Output - -
GPIOx VDP
Input /
Output 3.3/5.0 V,
CMOS/Open Drain
3.3/5.0 V TTL Compatible.
PWMOUTAx+/- VDP Output 3.3/5.0 V, CMOS -
PWMOUTBx+/- VDP Output 3.3/5.0 V, CMOS -
PSR_MCLK VDP Output 3.3/5.0 V, CMOS -
PSR_SYNC VDP Input - 3.3/5.0 V TTL Compatible, Internal pull-up.
PSR_DATA VDP Input - 3.3/5.0 V TTL Compatible, Internal pull-up.
PSR_EN VDP Output 3.3/5.0 V, CMOS -
PSR_RESET VDP Output 3.3/5.0 V, CMOS -
PS_SYNC VDP Output 3.3/5.0 V, CMOS -