參數(shù)資料
型號(hào): PSD4235G2-90UT
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 256K X 16 FLASH, 52 I/O, PIA-GENERAL PURPOSE, PQFP80
封裝: PLASTIC, TQFP-80
文件頁(yè)數(shù): 51/100頁(yè)
文件大?。?/td> 933K
代理商: PSD4235G2-90UT
PSD4235G2
54/100
H8/300
Figure 24 shows an Hitachi H8/2350 with a 16-bit
non-multiplexed data bus, and a 24-bit address
bus. The H8 data bus is connected to Port F (D0-
D7) and Port G (D8-D15).
The WRH signal is connected to PD3, and WHL is
connected to CNTL0. The RD signal is connected
to CNTL1. The connection to the Address Strobe
(AS) signal is optional, and is required if the ad-
dresses are to be latched.
Figure 24. Interfacing the PSD with an H83/2350
VCC_BAR
AS
RESET\
RD\
RESET\
WRL\
A21
A3
A[23:0]
A11
A1
A9
A14
A15
A20
A5
A8
A13
A10
A7
A18
A19
A17
A2
A16
A4
A6
A12
A0
D4
D9
D10
D15
D8
D7
D[15:0]
D2
D5
D0
D11
D13
D3
D14
D1
D6
D12
WRH\
A22
A23
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
A16
A17
A18
A19
U3
CRYSTAL
H8S/2655
PC0/A0
2
PC1/A1
3
PC2/A2
4
PC3/A3
5
PC4/A4
7
PC5/A5
8
PC6/A6
9
PC7/A7
10
PB0/A8
11
PB1/A9
12
PB2/A10
13
PB3/A11
14
PB4/A12
16
PB5/A13
17
PB6/A14
18
PB7/A15
19
PA0/A16
20
PA1/A17
21
PA2/A18
22
PA3/A19
23
PA4/A20/IRQ4
25
PA5/A21/IRQ5
26
PA6/A22/IRQ6
27
PA7/A23/IRQ7
28
CS7/IRQ3
29
CS6/IRQ2
30
IRQ1
31
IRQ0
32
RXD0
55
TXD0
53
SCK0
57
RXD1
56
TXD1
54
SCK1
58
RXD2
90
TXD2
89
SCK2
91
PF0/BREQ
88
PF1/BACK
87
PF2/LCAS/WAIT/B
86
NMI
74
PO0/TIOCA3
71
PO1/TIOCB3
70
PO2/TIOCC3/TMRI
69
PO3/TIOCD3/TMCI
68
PO4/TIOCA4/TMRI
67
PO5/TIOCB4/TMRC
66
PO6/TIOCA5/TMRO
65
PO7/TIOCB5/TMRO
64
DREQ/CS4
60
TEND0/CS5
61
DREQ1
62
TEND1
63
PE0/D0
34
PE0/D1
35
PE0/D2
36
PE0/D3
37
PE0/D4
39
PE0/D5
40
PE0/D6
41
PE0/D7
42
PD0/D8
43
PD1/D9
44
PD2/D10
45
PD3/D11
46
PD4/D12
48
PD5/D13
49
PD6/D14
50
PD7/D15
51
RD
83
LWR
85
HWR
84
AS
82
PF0/PHI0
80
RESET
73
WDTOVF
72
MOD0
113
MOD1
114
MOD2
115
STBY
75
EXTAL
78
XTAL
77
PG0/CAS/OE
116
PG1/CS3
117
PG2/CS2
118
PG3/CS1
119
PG4/CS0
120
PO8/TIOCA0/DACK
112
PO9/TIOCB0/DACK
111
PO10/TIOCC0/TCL
110
PO11/TIOCD0/TCL
109
PO12/TIOCA1
108
PO13/TIOCB1/TCL
107
PO14/TIOCA2
106
PO15/TIOCB2/TCL
105
AN0
95
AN1
96
AN2
97
AN3
98
AN4
99
AN5
100
AN6/DA0
101
AN7/DA1
102
ADTRG
92
PSD
ADIO0
3
ADIO1
4
ADIO2
5
ADIO3
6
ADIO4
7
ADIO5
10
ADIO6
11
ADIO7
12
ADIO9
14
ADIO10
15
ADIO11
16
ADIO12
17
ADIO13
18
ADIO14
19
ADIO15
20
PF0
31
PF1
32
PF2
33
PF3
34
PF4
35
PF5
36
PF6
37
PF7
38
PG1
22
PG2
23
PG3
24
PG4
25
PG5
26
PG6
27
PG7
28
PA5
56
PA6
57
PA7
58
CNTL0(WRL)
59
CNTL1(RD)
60
CNTL2
40
PD0 (AS)
79
RESET
39
ADIO8
13
PG0
21
PA3
54
PA4
55
PA2
53
PA0
51
PA1
52
PB0
61
PB1
62
PB2
63
PB3
64
PB4
65
PB5
66
PB6
67
PB7
68
PC0
41
PC1
42
PC2
43
PC3
44
PC4
45
PC5
46
PC6
47
PC7
48
PE0 (TMS)
71
PE1 (TCK/ST)
72
PE2 (TDI)
73
PE3 (TDO)
74
PE4 (TSTAT/RDY)
75
PE5 (TERR)
76
PE7 (VBATON)
78
V
cc
29
V
cc
69
V
cc
9
G
N
D
50
G
N
D
49
G
N
D
30
G
N
D
8
G
N
D
70
PD2 (CSI)
1
PD1 (CLKIN)
80
PD3 (WRH)
2
PE6 (VSTBY)
77
A[23:0]
D[15:0]
AI04953b
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