Lsi Pin Description - Yamaha AW2816 Service Manual

LSI PIN DESCRIPTION

S1D13305F00B100 (XQ595A00) LCDC (LCD Controller) .... 37
HD6437042AG12F (X0592A00) CPU .................................... 38
HD6437042AF65F (XW647A00) CPU ................................... 38
YSS910-S (XV988A00) DSP6 (Digital Signal Processor) .... 39
YSS919-H (XZ693A00) DSP7 (Digital Signal Processor) ... 40
CI-DRC (XY629A00) Gate Array .......................................... 41
LR38791 (XY631A00) Gate Array ......................................... 42
LR38792 (XY630A00) Gate Array ......................................... 43
S1R72104F00A100 (XY625A00) SCSI Control .................... 44
AK4528VF (XY624A00) ADC/DAC ........................................ 45
MBCG46183-129 (XV833A00) Gate Array ........................... 45
DS12887 (XV618A00) Real Time Clock ................................ 45
YM3436DK (XG948E00) DIR2
(Digital Format Interface Receiver) ..................................... 46
YM3437C-F (XM530A00) DIT2
YM3437C-FE2 (XW060A00) DIT2
(Digital Format Interface Transmitter) ................................. 46
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 XG I Clock
18 XD O Clock
19 /CS I Chip select
20 A0 I Data mode select
21 V Power supply
DD
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
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
AW2816
MAIN: IC502
FUNCTION
37