Sharp UP-3301 Service Manual page 50

CPU
Signal
No. CPU I/O
name
1 PE14 PE14
2 PE15 /WP
3 Vss GND
4 A0 LA0
5 A1 LA1
6 A2 LA2
7 A3 LA3
8 A4 LA4
9 A5 LA5
10 A6 LA6
11 A7 LA7
12 A8 LA8
13 A9 LA9
14 A10 LA10
15 A11 LA11
16 A12 LA12
17 A13 LA13
18 A14 LA14
19 A15 LA15
20 A16 LA16
21 Vcc +5V
22 A17 LA17
23 Vss GND
24 /IRQ0 /INTHW
25 /IRQ1 /INTHR
26 /IRQ2 /INTLAN
27 Vss GND
28 /IRQ3 /IRQ3
29 A18 LA18
30 A19 LA19
31 /WAIT IOCHRDY
32 PB9 PB9
33 Vss GND
34 /RD /MRD
35 /WDTOVF /WDTOVF
36 /WRH /WRH
37 Vcc +5V
38 /WRL /MWE
39 Vss GND
40 /CS1 /CS1
41 /CS0 /CS0
42 PA9 PA9
43 PA8 PA8
44 /CS3 /CS3
45 /CS2 /CS2
46 PA5 PA5
47 PA4 PA4
48 PA3 PA3
49 PA2 PA2
50 PA1 PA1
51 PA0 PA0
52 D15 HD15 I/O
53 D14 HD14 I/O
54 D13 HD13 I/O
55 Vss GND
56 D12 HD12 I/O
57 D11 HD11 I/O
Remarks
I N.U. (GND)
I FLASH write Status
O Address Bus
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O Address Bus
I Host write end interrupt
I Host write end interrupt
I Interrupt from LANC
I N.U. (+5V)
O Address Bus
O Address Bus
I Wait from LANC
I N.U. (GND)
O Memory Read
O N.U. (OPEN)
O N.U. (OPEN)
O Memory Write
O SRAM Chip Select
O FLASH Chip Select
I N.U. (GND)
I N.U. (GND)
O LANC Chip Select
O DP-RAM Chip Select
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
N.U. (Pull-Down)
N.U. (Pull-Down)
N.U. (Pull-Down)
N.U. (Pull-Down)
N.U. (Pull-Down)
UP-3301US CIRCUIT DESCRIPTION
Signal
No. CPU
name
58 D10 HD10
59 D9 HD9
60 D8 HD8
61 Vss GND
62 D7 HD7
63 D6 HD6
64 D5 HD5
65 Vcc +5V
66 D4 HD4
67 D3 HD3
68 D2 HD2
69 D1 HD1
70 D0 HD0
s71 Vss GND
72 XTAL XTAL
73 MD3 MD3
74 EXTAL EXTAL
75 MD2 MD2
76 NMI NMI
77 Vcc +5V
78 MD1 MD1
79 MD0 MD0
80 PLLVcc PLLVcc
81 PLLCAP PLLCAP
82 PLLVss PLLVss
83 PA15 PA15
84 /RES /LRES
85 PE0 PE0
86 PE1 PE1
87 PE2 PE2
88 PE3 PE3
89 PE4 PE4
90 Vss GND
91 PF0 PF0
92 PF1 PF1
93 PF2 PF2
94 PF3 PF3
95 PF4 PF4
96 PF5 PF5
97 AVss GND
98 PF6 PF6
99 PF7 PF7
100 AVcc +5V
101 Vss GND
102 PE5 PE5
103 Vcc +5V
104 PE6 PE6
105 PE7 PE7
106 PE8 /SRRQ
107 PE9 /SWRQ
108 PE10 /HRACK
109 Vss GND
110 PE11 /HWACK
111 PE12 PE12
112 PE13 /RSTDRV
Note: Signals prefixed with a slash "/" are active in low level.
– 48 –
I/O Remarks
I/O N.U. (Pull-Down)
I/O N.U. (Pull-Down)
I/O N.U. (Pull-Down)
I/O DATA Bus
I/O
I/O
I/O DATA Bus
I/O
I/O
I/O
I/O
O Oscillator connection terminal
I Mode terminal
I Oscillator connection terminal
I Mode terminal 2
I N.U. (+5V)
I Mode terminal 1
I Mode terminal 0
I N.U.(Pull-Down)
I Hardware Reset
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
I N.U. (GND)
O Slave read end request
O Slave write end request
O Host read interrupt cancel
O Host write interrupt cancel
O N.U. (OPEN)
O Soft Reset for LANC