Zilog EZ80190 Bedienungsanleitung Seite 76

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Seitenansicht 75
UM014108-0810 Schematic Dia
g
rams
e
Z80190
D
eve
l
opmen
t
Kit
User Manual
72
Figure 27. eZ80190 Module Schematic Diagram, #7 of 8—Headers
NC
(* WAI T * )
PB6
PB4
PB2
PB0
PC7
PC5
PC3
PC1
PD7
GND_EXT
PD4
PD2
PD0
ZDA
EZ80CLK
GND_EXT
NOTUSED1
GND_EXT
-NMI
A6
A10
GND_EXT
A8
A13
A15
A18
A19
A2
A11
A4
A5
-DIS_ETH
A21
A22
-CS0
-CS2
D1
D3
D5
D7
-MREQ
GND_EXT
-WR
-BUSACK
A0
A3
V3.3_EXT
A7
A9
A14
A16
GND_EXT
A1
A12
A20
A17
-DIS_FLASH
V3.3_EXT
A23
-CS1
D0
D2
D4
GND_EXT
D6
-IOREQ
-RD
-INSTRD
-BUSREQ
PB7
PB5
PB3
PB1
GND_EXT
PC6
PC4
PC2
PC0
PD6
PD5
PD3
PD1
GND_EXT
ZCL
RTC_VDD
IICSCL
IICSDA
-FLASHWE
-CS3
-RESET
V3.3_EXT
-HALT
GND_EXT
GND_EXT
V3.3_EXT
A[0..23]
D[0..7]
-CS[0..3]
PB[0..7]
PC[0..7]
PD[0..7]
CLK_OUT
RTC_VDD
EZ80CLK
-FLASHWE
IICSDA
IICSCL
-RD
-WR
-IOREQ
-INSTRD
NOTUSED1
-HALT
-BUSREQ
-BUSACK
-NMI
V3.3_EXT
ZDA
ZCL
GND_EXT
-MREQ
-DIS_FLASH
-RESET
-DIS_ETH
GND_EXT V3.3_EXT V3.3_EXT GND_EXT
PA1
PA3
PA5
PA7 PA6
PA4
PA2
PA0
PA[0..7]
D[0..7]
A[0..23]
-CS[0..3]
PB[0..7]
PC[0..7]
PD[0..7]
-RESET
RTC_VDD
IICSDA
ZDA
ZCL
IICSCL
CLK_OUT
-RD
-WR
-IOREQ
-MREQ
-INSTRD
-BUSACK
-NMI
-DIS_ETH
-FLASHWE
-DIS_FLASH
-BUSREQ
-HALT
PA[0..7]
V3.3
GND
R24
33 0603
R28
10k
0603
R27
10k
0603
R29
10k
0603
R26
2k2
0603
R25
10k
0603
JP1
Header 30x2
12
34
56
78
910
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
41 42
43 44
45 46
47 48
49 50
51 52
53 54
55 56
57 58
59 60
JP2
Header 30x2
12
34
56
78
910
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
41 42
43 44
45 46
47 48
49 50
51 52
53 54
55 56
57 58
59 60
peripheral bus
connector
I/O connector
Pin 50 open,
to be keyed
place near eZ80
output (PHI)
connector 1 connector 2
Seitenansicht 75
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