-32-
1, 2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25, 26
27, 28
29-31
32
33
34
35
36
Pin No.
Pin Name
I/O
Description
IC DESCRIPTION-3/3 (ES3889)-1/3
GND
NC
GND
VDD
OSC_C
AUX0
DSC_D0
AUX1
DSC_S
AUX2
DCLK/EXT_CLK
_______
RST
AUX7
MUTE
VDD
MCLK
AUX8
TWS/PLLOUT
AUX9
TSD
TBCK
PWS/SPLL1
RSTOUT
GND
NC
GND
VDD
RSD/SPLL0
AUX10
AUX11
AUX12
I
—
I
I
I
I/O
I/O
I/O
I
I/O
O
I
I
I/O
O
I
I
I/O
I
O
I/O
I
I
O
I
O
I
—
I
I
O
I
I/O
I/O
I/O
Ground.
No connect.
Ground.
Voltage supply, 5V.
Clock for programming to access internal registers.
Servo Forward or Control Pin.
Data for programming to access internal registers.
Servo Reverse or Control Pin.
Strobe for programming to access internal registers.
Servo LDON or Control Pin.
Dual-purpose pin DCLK is the MPEG decoder clock.
EXT_CLK is the external clock EXT_CLK is an input during bypass PLL mode.
Video reset. (active low)
Servo BRKM/Sense or Control Pin/VFD_DI.
Audio mute. (Not connected)
Voltage supply, 5V.
Audio master clock.
Servo Mute/Open or Control Pin/VFD_CLK.
Dual-purpose pin TWS is the transmit audio frame sync.
SPLL_OUT is the select PLL output.
Servo SQC0 or Control Pin.
Transmit audio data input.
Transmit audio bit clock.
Dual-purpose pin RWS is the receive audio frame sync.
Pins SEL_PLL [1:0] select the PLL clock frequency for the DCLK output.
SEL_PLL1
SEL_PLL0
DCLK
0
0
Bypass PLL (input mode)
0
1
27MHz (output mode)
1
0
32.4MHz (output mode)
1
1
40.5MHz (output mode)
Reset output. (active-low)
Ground.
No connect.
Ground.
Voltage supply, 5V.
Dual-purpose pin. RSD is the receive audio data input.
SEL_PLL0 along with SEL_PLL1 select the PLL clock frequency for the DCLK output. See the
table for pin number 23.
Servo SQCK or Contrtol pin.
3880 IRQ or Interrupt Output or Control Pin.
CD C2PO or Interrupt Input or Control Pin.
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