Lsi Pin Discription - Yamaha PORTATONE PSR-9000 Service Manual

LSI PIN DISCRIPTION

CONTENTS
D65621GF-028-3B9 XS370A00
HD6437043AE00F XW795A00
TC203C760HF-002 XS725A00
YSS236-F XT013A00
SED1335F0B XQ595A00
MBCG46183-129 XV833A00
MN101C027YB XS711200
MSM82C51A-2GS-K XV513A00
HD63266F XI939A00
PCM1716E/T2 XU829A00
1414-AAPI XV481B00
AK5351-VF-E2 XV510A00
SPC7212F0A XV636B00
D65621GF-028-3B9 (XS370A00) SMI
PIN
NAME I/O
No.
1 LMA24 I Low Memory Address
2 LMA23 I Low Memory Address
3 LMA22 I Low Memory Address
4 LMA21 I Low Memory Address
5 LMA20 I Low Memory Address
6 LMA19 I Low Memory Address
7 LMA18 I Low Memory Address
8 HMA24 I High Memory Address
9 HMA23 I High Memory Address
10 HMA22 I High Memory Address
11 HMA21 I High Memory Address
12 GND - No.12
13 HMA20 I High Memory Address
14 HMA19 I High Memory Address
15 HMA18 I High Memory Address
16 RASN I Row Address Strobe
17 H0RAS0 O RAS0 for HiMem SIMM 0
18 H0RAS1 O RAS1 for HiMem SIMM 0
19 GND -
20 H0RAS2 O RAS2 for HiMem SIMM 0
21 H0RAS3 O RAS3 for HiMem SIMM 0
22 GND -
23 VDD -
24 L0RAS0 O RAS0 for LoMem SIMM 0
25 L0RAS1 O RAS1 for LoMem SIMM 0
26 GND -
27 L0RAS2 O RAS2 for LoMem SIMM 0
28 L0RAS3 O RAS3 for LoMem SIMM 0
29 GND -
30 VDD -
31 H1RAS0 O RAS0 for HiMem SIMM 1
32 H1RAS1 O RAS1 for HiMem SIMM 1
33 GND -
34 VDD -
35 H1RAS2 O RAS2 for HiMem SIMM 1
36 H1RAS3 O RAS3 for HiMem SIMM 1
37 GND -
38 L1RAS0 O RAS0 for LoMem SIMM 1
39 L1RAS1 O RAS1 for LoMem SIMM 1
40 GND -
SMI ............................................................................... Page 15
CPU ............................................................................... Page 16
SWB30B ....................................................................... Page 17
VOP3 ............................................................................. Page 18
LCDC............................................................................. Page 19
GATE ARRAY ............................................................... Page 19
CPU ............................................................................... Page 20
USART .......................................................................... Page 20
FDC ............................................................................... Page 21
DAC ............................................................................... Page 21
GATE ARRAY ............................................................... Page 22
DAC ............................................................................... Page 22
SCSI2 Interface Controller ............................................ Page 23
FUNCTION
PIN
NAME I/O
No.
41 VDD -
42 L1RAS2 O RAS2 for LoMem SIMM 1
43 L1RAS3 O RAS3 for LoMem SIMM 1
44 GND -
45 HDRAS0 O RAS for HiMem DRAM 0
46 HDRAS1 O RAS for HiMem DRAM 1
47 GND -
48 VDD -
49 LDRAS0 O RAS for LoMem DRAM 0
50 LDRAS1 O RAS for LoMem DRAM 1
51 LMA1 I Low Memory Address
52 LMA0 I Low Memory Address
53 GND - No.53
54 LMA1X O Low Memory Address Exchanged
55 LMA0X O Low Memory Address Exchanged
56 GND -
57 VDD -
58 HMA1 I High Memory Address
59 HMA0 I High Memory Address
60 HMA1X O High Memory Address Exchanged
61 HMA0X O High Memory Address Exchanged
62 D0 I Data Input
63 D1 I Data Input
64 GND -
65 D2 I Data Input
66 D3 I Data Input
67 D4 I Data Input
68 D5 I Data Input
69 A2 I Address
70 WRN I Write
71 GND - No.71
72 VDD - No.72
73 CSN I Chip Select
74 A0 I Address
75 A1 I Address
76 MCLK I Clock (37MHz)
77 SYI I Sync Clock (48kHz)
78 HBANK O HiMem Bank Select 01/23
79 LBANK O LoMem Bank Select 01/23
80 REFRN O Refresh Timing
PSR-9000
TG: IC16
FUNCTION
15