Lsi Pin Description - Yamaha DME 32 Service Manual

DME32

LSI PIN DESCRIPTION

HD6437042AF62F (XY885B00) CPU ································································································· 14
MR-SHPC-01 (XW937A00) PC Card Controller ················································································ 15
SGH609080F-47F (XU235A00) ATSC ································································································ 16
YSS904-F (XV989A00) DSP5 (Digital Signal Processor)····································································· 17
YSS910-S (XV988A00) DSP6 (Digital Signal Processor) ···································································· 18
PDIUSBD12PW (XW583A00) USB Interface······················································································ 19
ST16C554DCQ64 (XW934A00) UART (Universal Asynchronous Receiver and Transmitter) ············ 19
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YM3436DK (XG948E00) DIR2 (Digital Format Interface Receiver) ····················································· 20
HD6437042AF62F (XY885B00) CPU
PIN
NAME I/O
NO.
1 PE14 O Port E
2 PE15 O Port E
3 VSS I Ground
4 A0 O
5 A1 O
6 A2 O
7 A3 O
8 A4 O
9 A5 O
10 A6 O
11 A7 O
12 A8 O Address bus
13 A9 O
14 A10 O
15 A11 O
16 A12 O
17 A13 O
18 A14 O
19 A15 O
20 A16 O
21 VCC I Power supply
22 A17 O Address bus
23 VSS I Ground
24 /RAS O Row address strobe
25 /CASL O Column address strobe (low)
26 /CASH O Column address strobe (high)
27 VSS O Ground
28 RDWR / PB5 O DRAM read/write / Port B
29 A18 O
30 A19 O Address bus
31 A20 O
32 PB9 /A21 O Port B / Address bus
33 VSS I Ground
34 /RD O Read
35 /WDTOVF O Watch dog timer overflow
36 /WRH O High write
37 VCC I Power supply
38 /WRL O Low write
39 VSS I Ground
40 /CS1 O Chip select
41 /CS0 O Chip select
42 O Port A / Timer clock
PA9 / TCLKD
43 I Interrupt request / Timer clock
/IRQ2 / TCLKC
44 /CS3 O Chip select
45 /CS2 O Chip select
46 /IRQ1 I Interrupt request
47 TXD O Data transmission
48 RXD I Data reception
49 /IRQ0 I Interrupt request
50 PA1 / TXD0 O Port A / Data transmission
51 PA0 / RXD0 I Port A / Data reception
52 D15 I/O
53 D14 I/O Data bus
54 D13 I/O
55 VSS I Ground
56 D12 I/O Data bus
12
FUNCTION
PIN
NAME I/O
NO.
57 D11 I/O
58 D10 I/O
Data bus
59 D9 I/O
60 D8 I/O
61 VSS I Ground
62 D7 I/O
63 D6 I/O Data bus
64 D5 I/O
65 VCC I Power supply
66 D4 I/O
67 D3 I/O
68 D2 I/O Data bus
69 D1 I/O
70 D0 I/O
71 VSS I Ground
72 XTAL I Crystal oscillator
73 MD3 I Mode control
74 EXTAL I Crystal oscillator
75 MD2 I Mode control
76 NMI I Non-maskable interrupt request
77 VCC I Power supply
78 MD1 I Mode control
79 MD0 I Mode control
80 PLLVCC I PLL Power supply
81 PLLCAP I PLL capacitor
82 PLLVSS I PLL Ground
83 PA15 / CK O Port A / Clock
84 /RES I Reset
85 PE0 I
86 PE1 I
87 PE2 I Port E
88 PE3 I
89 PE4 I
90 VSS I Ground
91 AN0 / PF0 I
92 AN1 / PF1 I
93 AN2 / PF2 I
Analog input / Port F
94 AN3 / PF3 I
95 AN4 / PF4 I
96 AN5 / PF5 I
97 AVSS I Analog ground
98 AN6 / PF6 I Analog input / Port F
99 AN7 / PF7 I Analog input / Port F
100 AVCC I Power supply
101 VSS I Ground
102 PE5 O Port E
103 VCC I Power supply
104 PE6 O
105 PE7 O
106 PE8 O Port E
107 PE9 O
108 PE10 O
109 VSS I Ground
110 PE11 O
111 PE12 O Port E
112 PE13 O
MAIN: IC4
FUNCTION