DU1A
24
LSI PIN DESCRIPTION
(XL389A00) CPU ...................................................... 24
(X2690A00) CPU(FLASH) ................................................... 25
(XS345A00) SCI ....................................................... 25
(XU147A00) CPU .......................................................... 26
(XW685A00) DSP (Digital Signal Processor) ............... 27
(XR738A00) SWP30 (Standard Wave Processor) .. 28
(XS725A00) SWP30B (Standard Wave Processor) 28
(XK652A00) GATE ARRAY .............................................. 29
(XI939A00) FDC (Floppy Disk Controller) ............................. 30
(XW774A00) PLD ................................................... 30
(XL150A00) PWM GENERATOR ........................................... 31
(XT802A00) ADC / DAC ............................................... 31
(XP551A00) DAC (Digital to Analog Converter) ............. 31
PIN
NO.
I/O
FUNCTION
NAME
PIN
NO.
I/O
FUNCTION
NAME
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P70/AN0
P67/TB2IN
P66/TB1IN
P65/TB0IN
P64/INT2
P63/INT1
P62/INT0
P61/TA4IN
P60/TA4OUT
P57/TA3IN
P56/TA3OUT
P55/TA2IN
P54/TA2OUT
P53/TA1IN
P52/TA1OUT
P51/TA0IN
P50/TA0OUT
P47
P46
P45
P44
P43
P42/
P41/RDY
P40/HOLD
BYTE
CNVSS
RESET
XIN
XOUT
E
V
SS
P33/HLDA
P32/ALE
P31/BHE
P31/RW
P27/A23/D7
P26/A22/D6
P25/A21/D5
P24/A20/D4
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I
I
O
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
CMOS in/out port 7/Analog input
(Timer B0-B2 in)
CMOS in/out port 4
(Interrupt request in)
(Timer A4 in/out)
CMOS in/out port 4/Timer A0-A3 in
CMOS in/out port 4
( output)
(Ready)
(Hold request)
8bit/16bit select
Chip mode select
Reset
Internal clock osc. in/out
Enable
Ground
(Hold acknowledge)
CMOS in/out port 3/(Address latch enable)
(Byte high enable)
(Read/Write)
CMOS in/out port 2/Address bus/Date bus
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
P23/A19/D3
P22/A18/D2
P21/A17/D1
P20/A16/D0
P17/A15/D15
P16/A14/D14
P15/A13/D13
P14/A12/D12
P13/A11/D11
P12/A10/D10
P11/A9/D9
P10/A8/D8
P07/A7
P06/A6
P05/A5
P04/A4
P03/A3
P02/A2
P01/A1
P00/A0
P87/TXD1
P86/RXD1
P85/CLK1
P84/CTS1/RTS1
P83/TXD0
P82/RXD0
P81/CLK0
P80/CTS0/RTS0
Vcc
AVCC
VREF
AVSS
Vcc
P77/AN7/ADTRG
P76/AD6
P75/AD5
P74/AD4
P73/AD3
P72/AD2
P71/AD1
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
CMOS in/out port 2/Address bus/Date bus
CMOS in/out port 1/Address bus/Date bus
CMOS in/out port 0/Address bus
(Data transmission)
(Data reception)
(Clock)
CMOS in/out port 8/Clear to send/Request to sen
(Data transmission)
(Data reception)
(Clock)
Power supply
Analog power supply
Reference voltage
Analog ground
Ground
(A/D trigger)
CMOS in/out Port 7/Analog input
M37732S4AFP-10 (XL389A00) CPU