參數(shù)資料
型號： PSD4256G6V-10UIT
廠商： STMICROELECTRONICS
元件分類： 微控制器/微處理器
英文描述： 1M X 8 FLASH, 52 I/O, PIA-GENERAL PURPOSE, PQFP80
封裝： PLASTIC, TQFP-80
文件頁數(shù)： 92/127頁
文件大小： 1091K
代理商： PSD4256G6V-10UIT
PSD4256G6V
MCU bus interface
18.5
80C196 and 80C186
In Figure 20, the Intel 80C196 MCU, which has a 16-bit multiplexed address/data bus, is
shown connected to a PSD3200 Family. The READ Strobe (RD, CNTL1), and WRITE
Strobe (WR/WRL, CNTL0) signals are connected to the CNTL pins.
When BHE is not used, the PSD can be configured to receive WRL and WRITE Enable
High-byte (WRH/DBE, PD3) from the MCU. Higher address inputs (A16-A19) can be routed
to Ports A, B, or C as input to the PLD.
The AMD 80186 family has the same bus connection to the PSD as the 80C196.
Figure 20.
Interfacing the PSD with an 80C196
X1
X2
P1.0/EPA0/T2CLK
P1.1/EPA1
P1.2/EPA2/T2DIR
P1.3/EPA3
P1.4/EPA4
P1.5/EPA5
P1.6/EPA6
P1.7/EPA7
P3.0/AD0
P3.1/AD1
P3.2/AD2
P3.3/AD3
P3.4/AD4
P3.5/AD5
P3.6/AD6
P3.7/AD7
PF0
PF1
PF2
PF3
PF4
PF5
PF6
PF7
PG0
PG1
PG2
PG3
PG4
PG5
PG6
PG7
PA0
PA2
PA1
PA3
PA4
PA5
PA6
PA7
P4.0/AD8
P4.1/AD9
P4.2/AD10
P4.3/AD11
P4.4/AD12
P4.5/AD13
P4.6/AD14
P4.7/AD15
ADIO0
ADIO1
ADIO2
ADIO3
ADIO4
ADIO5
ADIO6
ADIO7
ADIO8
ADIO9
ADIO10
ADIO11
ADIO12
ADIO13
ADIO14
ADIO15
CNTL0 (WR)
CNTL1 (RD)
CNTL2 (BHE)
PD0 (ALE)
PD1 (CLKIN)
PD2 (CSI)
RESET
RD/P5.3
WR/WRL/P5.2
BHE/WRH/P5.5
ALE/ADV/P5.0
INST/P5.1
SLPINT/P5.4
RESET
31
32
33
34
35
36
37
38
3
19
18
57
56
55
54
53
52
51
50
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
4
5
6
7
10
11
12
13
14
15
16
17
18
19
20
59
39
60
40
79
80
1
21
22
23
24
25
26
27
28
PSD
80C196NT
A19-A16
A[ 19:16]
7
9
8
4
RD
WR
BHE
ALE
3
1
RESET
51
52
53
54
55
56
57
58
AI04930b
AD15-AD0
AD[ 15:0]
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PC0
PC2
PC1
PC3
PC4
PC5
PC6
PC7
61
62
63
64
65
66
67
68
41
42
43
44
45
46
47
48
PD3 (WRH)
2
PE0 (TMS)
PE1 (TCK/ST)
PE2 (TDI)
PE3 (TDO)
PE4 (TSTAT/RDY)
PE5 (TERR)
PE6
PE7
71
72
73
74
75
76
77
78
8
30495070
GND
929
69
VCC
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
3
4
5
6
7
10
11
12
13
14
15
16
17
18
19
20
EP.0/A16
EP.1/A17
EP.2/A18
EP.3/A19
14
13
12
11
31
BUSWIDTH/P5.7
10
EA
33
RESET
READY/P5.6
2
P2.0/TX/PVR
P2.1/RXD/PALE
P2.2/EXINT/PROG
P2.3/INTB
P2.4/INTINTOUT
P2.5/HLD
P2.6/HLDA/CPVER
P2.7/CLKOUT/PAC
36
37
38
39
40
41
42
43
P6.0/EPA8
P6.1/EPA9
P6.2/T1CLK
P6.3/T1DIR
P6.4/SC0
P6.5/SD0
P6.6/SC1
P6.7/SD1
58
59
60
61
62
63
64
65
NMI
VREF
VPP
ANGND
ACH4/P0.4/PMD.0
ACH5/P0.5/PMD.1
ACH6/P0.6/PMD.2
ACH7/P0.7/PMD.3
32
49
6
48
44
45
46
47
A16
A17
A18
A19
A16
A17
A18
A19
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