CS4923/4/5/6/7/8/9
8.
PIN DESCRIPTIONS
VD1
DGND1
XMT958
WR,DS,EMWR,GPIO10
RD,R/W,EMOE,GPIO11
A1, SCDIN
A0, SCCLK
DATA7,EMAD7,GPIO7
DATA6,EMAD6,GPIO6
DATA5,EMAD5,GPIO5
DATA4,EMAD4,GPIO4
VD2
DGND2
DATA3,EMAD3,GPIO3
DATA2,EMAD2,GPIO2
DATA1,EMAD1,GPIO1
DATA0,EMAD0,GPIO0
CS
SCDIO, SCDOUT,PSEL,GPIO9
ABOOT, INTREQ
EXTMEM, GPIO8
SDATAN1
6 5 4 3 2 1 44 43 42 41 40
7
39
8
38
9
37
10
36
11
35
CS4923-CL
12
34
44-pin PLCC
13
33
14
32
Top View
15
31
16
30
17
29
18 19 20 21 22 23 24 25 26 27 28
MCLK
SCLK
LRCLK
AUDATA0
AUDATA1
AUDATA2
DC
DD
RESET
AGND
VA
FILT1
FILT2
CLKSEL
CLKIN
CMPREQ, LRCLKN2
CMPCLK, SCLKN2
CMPDAT, SDATAN2
LRCLKN1
SCLKN1, STCCLK2
DGND3
VD3
VA鈥擜nalog Positive Supply: Pin 34
Analog positive supply for clock generator. Nominally +3.3 V.
AGND鈥擜nalog Supply Ground: Pin 35
Analog ground for clock generator PLL.
VD1, VD2, VD3鈥擠igital Positive Supply: Pins 1, 12, 23
Digital positive supplies. Nominally +3.3 V.
DGND1, DGND2, DGND3鈥擠igital Supply Ground: Pins 2, 13, 24
Digital ground.
FILT1鈥擯hase-Locked Loop Filter: Pin 33
Connects to an external filter for the on-chip phase-locked loop. This pin does not meet Cirrus
Logic鈥檚 ESD tolerance of 2000 V using the human body model. This pin will tolerate ESD of
1000 V using the human body model.
DS262F2
49