8-5 8-5
PIN DESCRIPTION
Name Number I/O Definition
VSS 1,25:26,31,72,75,77,91,100 I Ground.
VCC 5,16,32,66,73,78,90 I Voltage supply, 5 V.
DSC_C 6 I Clock for programming to access internal registers.
AUX0 7 I/O Servo Forward or Control Pin.
AUX1 9 I/O Servo Reverse or Control Pin.
AUX2 11 I/O Servo LDON or Control Pin.
AUX3 70 I/O Servo CW/Limit or Control Pin.
AUX4 69 I/O Servo CCW/Close or Control Pin.
AUX5 68 I/O Servo Data or Control Pin.
AUX6 67 I/O Servo XLAT or Control Pin/VFD_DO.
AUX7 14 I/O Servo BRKM/Sense or Control Pin/VFD_DI.
AUX8 18 I/O Servo Mute/Open or Control Pin/VFD_CLK.
AUX9 20 I/O Servo SQS0 or Control Pin.
AUX10 34 I/O Servo SQCK or Control Pin.
AUX11 35 I/O 3880 IRQ or Interrupt Output or Control Pin.
AUX12 36 I/O CD C2PO or Interrupt Input or Control Pin.
AUX13 38 I/O Serial Interrupt/CD-Mute or Control Pin.
AUX14 39 I/O Servo SCOR (S0S1) or Interrupt Input or Control Pin.
AUX15 40 I/O Interrupt Input or Control Pin.
DSC_D[7:0] 81,83,85,93,95,97,99,8 I/O Data for programming to access internal registers.
DSC_S 10 I Strobe for programming to access internal registers.
DCLK
12
O Dual-purpose pin DCLK is the MPEG decoder clock.
EXT_CLK I EXT_CLK is the external clock EXT_CLK is an input during bypass PLL mode.
RESET_B 13 I Video reset (active-low).
MUTE 15 O Audio mute.
MCLK 17 I Audio master clock.
TWS
19
I Dual-purpose pin TWS is the transmit audio frame sync.
SPLL_OUT O SPLL_OUT is the select PLL output.
TSD 21 I Transmit audio data input.
TBCK 22 I Transmit audio bit clock.
RWS
23
O Dual-purpose pin RWS is the receive audio frame sync.
SEL_PLL1 I Pins SEL_PLL[1:0] select the PLL clock frequency for the DCLK output.
RSTOUT_B 24 O Reset output (active-low).
NC 2:4,27:30,76 No connect. Do not connect to these pins.
RSD
33
O Dual-purpose pin. RSD is the receive audio data input.
SEL_PLL0
I SEL_PLL0 along with SEL_PLL1 select the PLL clock frequency for the DCLK output. See the
table for pin number 23.
RBCK
37
O Dual-purpose pin. RBCK is the receive audio bit clock.
SER_IN
I SER_IN is the serial input DSC mode.
0 - Parallel DSC mode.
1 - Serial DSC mode.
VSSAA 41,51 I Audio Analog Ground.
VCM
42
I ADC Common Mode Reference (CMR) buffer output. CMR is approximately 2.25 V. Bypass to
analog ground with 47 mF electrolytic in parallel with 0.1 mF.
VREFP 43 I DAC and ADC maximum reference. Bypass to VCMR with 10 mF in parallel with 0.1 mF.
VCCAA 44 I Analog VCC, 5 V.
AOR+, AOR- 45:46 O Right channel output.
AOL-, AOL+ 47:48 O Left channel output.
MIC1 49 I Microphone input 1.
MIC2 50 I Microphone input 2.
VREF
52
I Internal resistor divider generates Common Mode Reference (CMR) voltage. Bypass to ana-
log ground with 0.1 mF.
VREFM 53 I DAC and ADC minimum reference. Bypass to VCMR with 10 mF in parallel with 0.1 mF.
RSET 54 I Full scale DAC current adjustment.
COMP 55 I Compensation pin.
VSSAV 56:57,62:63 I Video Analog Ground
CDAC 58 O Modulated chrominance output.
VCCAV 59,60 I Video VCC, 5 V
YDAC 61 O Y luminance data bus for screen video port.
VDAC 64 O Composite video output.
ACAP 65 I Audio CAP
XOUT 71 O Crystal output.
XIN 74 I 27 MHz crystal input.
PCLK 79 I/O 13.5 MHz pixel clock.
2XPCLK 80 I/O 27 MHz (2 times pixel clock).
HSYN_B 82 O Horizontal sync (active-low).
VSYN_B 84 O Vertical sync (active-low).
YUV[7:0] 86:89,92,94,96,98 I YUV data bus for screen video port.
Name Number I/O Definition
SEL_PLL1 SEL_PLL0 DCLK
00Bypass PLL (input mode)
0127 MHz (output mode)
1032.4 MHz (output mode)
1140.5 MHz (output mode)
1
MIC2
MIC1
AOL+
AOL-
AOR-
AOR+
VCCAA
VREFP
VCM
VSSAA
AUX15/IR
AUX14/SOS1
AUX13/SP
RBCK/SER_IN
AUX12/C2PO
AUX11/IRQ
AUX10/SQCK
RSD/SEL_PLL0
VCC
VSS
DSC_D7
HSYN_B
DSC_D6
VSYN_B
DSC_D5
YUV7
YUV6
YUV5
YUV4
VCC
VSS
YUV3
DSC_D4
YUV2
DSC_D3
YUV1
DSC_D2
YUV0
DSC_D1
VSS
TSD
AUX9/SQS0
TWS/SPLL_OUT
AUX8/VFD_CLK
MCLK
VCC
MUTE
AUX7/VFD_DI
RESET_B
DCLK/EXT_CLK
AUX2
DSC_S
AUX1
DSC_D0
AUX0
DSC_C
VCC
NC
NC
VSS
NC
NC
NC
NC
NC
VSS
VSS
RSTOUT_B
RWS/SEL_PLL1
TBCK
YDAC
VSSAV
VSSAV
VDAC
ACAP
VCC
AUX6/VFD_DO
AUX5
AUX4
AUX3
XOUT
VSS
VCC
XIN
VSS
NC
VSS
VCC
PCLK
2XPCLK
VSSAA
VREF
VREFM
RSET
COMP
VSSAV
VSSAV
CDAC
VCCAV
VCCAV
31
30
51
50
80
81
100
23456789101112131415 16 17 18 19 20 21 22 23 24 25 26 27 28 29
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
Visba ES3883
Video CD
Companion Chip
ES3883 VIDEO CD COMPANION CHIP
www.freeservicemanuals.info
Published in Heiloo, Holland.
To Next Page
Loading...
