ICS2002 Datasheet, PDF (2/21 Pages) Integrated Circuit Systems – Wavedec Digital Audio Codec

ICS2002
Pin Descriptions
PIN
SD15 - SD0
SA1 - SA0
CS
IOW
IOR
SBHE
IOCS16
DRQP
DRQR
DACKP
DACKR
TC
IRQ
RESET
XTLI
XTLO
PWRDN
AUDIOIN
ADCIN
DACOUT
BUFIN
BUFOUT
VDD
VDDA
VDDP
VSS
VSSA
VSSP
TYPE
I/O
I
I
I
I
I
OC
O
O
I
I
I
O
I
I
O
I
AI
AO
AO
AI
AO
P
P
P
P
P
P
DESCRIPTION
Data bus
Address
Chip select (active low)
Write strobe (active low)
Read strobe (active low)
System High Byte Enable (active low)
Indicates that the access register can support 16 bit transfer.
DMA Request (play channel)
DMA Request (record channel)
DMA Acknowledge (play channel)
DMA Acknowledge (record channel)
DMA terminal count
Interrupt request (active high, open drain)
Reset (active high)
Crystal oscillator
Crystal oscillator
Power-down (active low)
Audio buffer input
Audio buffer output/input to ADC
DAC audio output
Uncommitted audio buffer input
Uncommitted audio buffer output
Digital +5V supply
Analog +5V supply
Digital +5V supply
Digital GND
Analog GND
Digital GND
2