Zilog EZ80F916 - Manual (Page 37)

UM017009-0708 Schematics
eZ80F91 Modular Development Kit
User Manual
32
Figures 10 and 11 show schematic diagrams of the eZ80F91 Module.
Figure 10. eZ80F91 Module Schematic, #1 of 2
-RD
D[0..7]
A[0..23]
-WR
-RST
-NMI
-CS[0..3]
PB[0..7]
IICSDA
PC[0..7]
TCK
IICSCL
PD[0..7]
IICSDA
IICSCL
-DIS_IRDA
IR_SD PD2
IRDA_SD
PD0
IRDA_SD
PD1
-F91_WP
PA[0..7]
TDI
-WAIT
A6
D7
-RD
A5
A12
A11
A13
D0
A15
A8
A7
-CS1
A16
A4
-WR
D1
D5
A9
A10
D4
D2
D3
D6
A14
TRIGOUT
TMS
TDO
-TRSTN
RTC_VDD
eZ80CLK
-HALT_SLP
GND
GND A1
A3
A0
A2
D4
A21
-HALT_SLP
-CS0
A20
VCC_33V
PC7
PA4
IICSDA
TCK
PC6 PC5
PB4
GND
GND
-RST
TMS
PD6
-TRSTN
PB1
-NMI
PC1
GND
PA1
PD4
TDI
PA2
PB7
PA7
TRIGOUT
VCC_33V
-DIS_IRDA
GND
PA6
PD7
PD5
-WAIT
PD0
PB0
PC0
PB6
PA0
GND
IICSCL
GND
PC3
PA5
PC4 PB3
PC2
PD1
PB2
PA3
PD2
VCC_33V EZ80CLK
VCC_33V
GND
A14
A2
VCC_33V
VCC_33V
GND
A6
GND
A5
A8
A17
D7
GND
GND
A13
A3
VCC_33V
D5
-CS2
A4
D1
GND
D0
-WR
D3
VCC_33V
-F91_WE
VCC_33V
A19
GND
VCC_SRAM VCC_SRAM
RTC_VDD
A22
A0
GND
-F91_WE
VCC_SRAM
A10
-CS3
D2
A11
VCC_33V
GND
A18
A7
GND
A9
GND
A1
A15
A16
A23
A12
TDO
-RD
D6
GND
GND
GND
PB5
PD3
GND
VCC_33V
VCC_33v
VCC_33V
VCC_33V
A[0:23]
D[0:7]
-CS[0:3]
IICSDA
IICSCL
PA[0:7]
-RST
-RD
-WR
PB[0:7]
PD[0:7]
PC[0:7]
-WAIT
-NMI
TDI
TCK
-F91_WP
VCC_33V
GND
TRIGOUT
TMS
TDO
-TRSTN
RTC_VDD
eZ80CLK
-HALT_SLP
ZiLOG, Inc. ZiLOG, Inc. ZiLOG, Inc.
connector 2 connector 1
=
(MMA 0204)
-F91_WE
CONNECTORS
R6
2.2K
R6
2.2K
1 7
4
8
U1A
SN74LVC2G04
U1A
SN74LVC2G04
R2
4.7K
R2
4.7K
3 5
U1B
SN74LVC2G04
U1B
SN74LVC2G04
R5
2R7
R5
2R7
R7
10K R7
10K
C3
0.1uF C3
0.1uF
1
2
4
5
3
U4
SN74AHC1G32
U4
SN74AHC1G32
R9
10K R9
10K
1 2
JP1
HEADER 2
JP1 HEADER 2
R1
10K R1
10K 1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55 2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
J1
HEADER 28x2
J1
HEADER 28x2
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55 2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
J2
HEADER 28x2
J2
HEADER 28x2
R3
4.7K R3
4.7K
6 2
U1C
SN74LVC2G04
U1C
SN74LVC2G04
C1
330nF
C1
330nF
R11
10K R11
10K
R4
68R
R4
68R
CS 5
A10 19
OE 28
A11 20
A9 18
A8 17
A13 29
WE 12
A15 31
GND 9
A0 1
A1 2
A2 3
A3 4
A4 13
A5 14
A6 15
A7 16
A12 21
A14 30
A16 32
I/O0 6
I/O1 7
I/O2 10
I/O3 11
I/O4 22
I/O5 23
I/O6 26
I/O7 27
GND 25
VCC 8
VCC 24
U3
IDT71V124S/SO
U3
IDT71V124S/SO
C2
0.001uF C2
0.001uF
TXD 2
SD 4
RXD 3
LEDA 1
VCC 5
GND 6
T
0
U2
ZHX1810
U2
ZHX1810
R8
10K
R8
10K