Yamaha O2R96 Service Manual page 63

S1D13305F00B100 (XQ595A00) LCDC (LCD Controller)
PIN
NAME I/O
NO.
1 VA5 O
2 VA4 O
3 VA3 O
VRAM address bus
4 VA2 O
5 VA1 O
6 VA0 O
7 /VWR O VRAM read/write
8 /VCE O Memory control
9 /VRD - Not used
10 /RES I Initial clear
11 NC - Not used
12 NC - Not used
13 /RD I Read strobe
14 /WR I Write strobe
15 SEL2 I Bus select
16 SEL1 I Bus select
17 OSC1 I Clock
18 OSC2 O Clock
19 /CS I Chip select
20 A0 I Data mode select
21 Vdd - Power supply
22 D0 I/O
23 D1 I/O
24 D2 I/O
25 D3 I/O
Data bus
26 D4 I/O
27 D5 I/O
28 D6 I/O
29 D7 I/O
30 XD3 O Data bus output for 4 bit dot
AK4393-VF-E2 (XW029A00) DAC (Digital to Analog Converter)
PIN
NAME I/O
NO.
1 DVSS - Digital ground
2 DVDD - Digital power supply
3 MCLK I Master clock
4 /PD I Power down mode
5 BICK I Audio serial data clock
6 SDATA I Audio serial data input
7 LRCK I L/R clock
8 SMUTE//CS I Soft mute
9 DFS I Double speed sampling mode
10 DEM0/CCLK I
De-emphasis enable
11 DEM1/CDTI I
12 DIF0 I
13 DIF1 I Digital input format
14 DIF2 I
AK5383-VS (XW272A00) ADC (Analog to Digital Converter)
PIN
NAME I/O
NO.
1 VREFL O Lch voltage reference output
2 GNDL Lch ground
3 VCOML O Lch common voltage
4 AINL+ I Lch positive analog input
5 AINL- I Lch negative analog input
6 ZCAL I Zero calibration
7 VD Digital power supply +3.3V
8 DGND Digital ground
9 CAL O Calibration status
10 /RST I Reset
11 SMODE2 I
Serial interface mode select
12 SMODE1 I
13 LRCK I/O L/R channel select clock
14 SCLK I/O Serial data clock
FUNCTION
FUNCTION
FUNCTION
PIN
NAME I/O
NO.
31 XD2 O
32 XD1 O Data bus output for 4 bit dot
33 XD0 O
34 XECL O S driver enable, chain clock
35 XSCL O Data bus shift clock
36 Vss - Ground
37 LP O X driver latch pulse
38 WF O Frame signal for X/Y driver
39 YDIS O Power down signal for displaying off mode
40 YD O Scan start signal
41 YSCL O Scan shift clock
42 VD7 I/O
43 VD6 I/O
44 VD5 I/O
45 VD4 I/O
VRAM data bus
46 VD3 I/O
47 VD2 I/O
48 VD1 I/O
49 VD0 I/O
50 VA15 O
51 VA14 O
52 VA13 O
53 VA12 O
54 VA11 O
VRAM address bus
55 VA10 O
56 VA9 O
57 VA8 O
58 VA7 O
59 VA6 O
60 NC - Not used
PIN
NAME I/O
NO.
15 BVSS - Substrate ground
16 VREFL I Low level voltage reference
17 VREFH I High level voltage reference
18 AVDD - Analog power supply +5 V
19 AVSS - Analog ground
20 AOUTR- O Rch negative analog output
21 AOUTR+ O Rch positive analog output
22 AOUTL- O Lch negative analog output
23 AOUTL+ O Lch positive analog output
24 VCOM O Common voltage output
25 P//S I Parallel/serial select
26 CKS0 I
27 CKS1 I Master clock select
28 CKS2 I
PIN
NAME I/O
NO.
15 SDATA O Serial data output
16 FSYNC I/O Frame synchronization clock
17 MCLK I Master clock input
18 DFS I Double speed sampling mode select
19 HPFE I HPF enable
20 TEST I Test
21 BGND Substrate ground
22 AGND Analog ground
23 VA Analog power supply +5V
24 AINR- I Rch negative analog input
25 AINR+ I Rch positive analog input
26 VCOMR O Rch common voltage
27 GNDR Rch ground
28 VREFR O Rch voltage reference output
CPU1: IC129
FUNCTION
ADA: IC151, 251, 351, 451
DA: IC903-906
FUNCTION
AD1: IC103, 203, 303, 403, 503, 603
ADA: IC103, 203, 303, 403, 503, 552,
603, 703, 803
FUNCTION
02R96
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