EZ80F915005MOD Datasheet, PDF (23/25 Pages) Zilog, Inc. – eZ80F91 Mini Enet Module

eZ80F915005MOD
eZ80F91 Mini Enet Module Product Specification
Schematics
18
Figures 5 and 6 diagram the layout of the eZ80F91 Mini Enet Module. Ethernet circuiting devices are not loaded on the
eZ80F91 Mini Enet Module. However, these devices appear in the following schematics for reference purposes.
A[0:23]
D[0:7]
-CS[0:3]
A[0..23]
D[0..7]
-CS[0..3]
IICSDA
IICSCL
IICSDA
IICSCL
-HALT_SLP
-HALT_SLP
RTC_VDD
RTC_VDD
eZ80CLK ^eZ80CLK
PA[0:7]
PA[0..7]
PB[0:7]
PB[0..7]
PC[0:7]
PC[0..7]
PD[0:7]
PD[0..7]
-RST
-RST
-RD
-WR
-RD
-WR
-WAIT
-NMI
-WAIT
-NMI
VCC_33V
R2
4.7K
R3
4.7K
IICSDA
IICSCL
VCC_33V
R6
R7
2.2K
10K
TDI
TCK
TRIGOUT
TMS
TDO
-TRSTN
R8
10K
TRIGOUT
TMS
TDO
-TRSTN
R9
10K
TDI
TCK
VCC_33V
VCC_33V
GND
VCC_33V
GND
GND
connector 1
J1
VCC_33V ₂
A0
4
A2
6
A1
8
A3
10
GND
12
D5
14
D4
16
D2
18
D6
20
GND
22
A18
24
A20
26
A22
28
-CS0
30
VCC_33V ₃₂
-CS2
34
RTC_VDD ₃₆
GND
38
-HALT_SLP ₄₀
-WR
42
A11
44
A9
46
GND
48
A5
50
A4
52
GND
54
VCC_SRAM ₅₆
1
VCC_33V
3
A6
5
A7
7
A8
9
A10
11 GND
13
-RD
15
D1
17
D0
19
A17
21
GND
23
A19
25
A21
27
A23
29
-CS3
31
VCC_33V
33
-F91_WE
35
D3
37
GND
39
D7
41
A13
43
A12
45
A14
47
GND
49
A16
51
A15
53
GND
55 ^VCC_SRAM
HEADER 28x2
connector 2
J2
PA4 ₂
PA5 ₄
PA0 ₆
PA1 ₈
EZ80CLK
10
PB7 ₁₂
PB3 ₁₄
PC7 ₁₆
PA2 ₁₈
GND ₂₀
PB0 ₂₂
PC5 ₂₄
PC1 ₂₆
PC0 ₂₈
GND ₃₀
PD7 32
PD5 34
PD4 36
TRIGOUT ₃₈
GND ₄₀
PD1 ₄₂
PD0 ₄₄
TDO 46
GND ₄₈
IICSCL 50
IICSDA 52
-NMI ₅₄
VCC_33V ₅₆
1
PA3
3
PA7
5
PB5
7
PB6
9
VCC_33V
11
PB1
13
PC4
15
PA6
17
PB4
19
GND
21
PB2
23
PC6
25
PC3
27
PC2
29 GND
31
TMS
33
PD6
35
PD3
37 ^-TRSTN
39
GND
41
TCK
43
TDI
45
PD2
47
GND
49 ^-DIS_IRDA
51 -WAIT
53
-RST
55
VCC_33V
HEADER 28x2
GND
-F91_WE 3
U1B
5
-F91_WP
R1 SN74LVC2G04
10K
-F91_WP
HEADER 2
JP1
-F91_WE
VCC_33v
R4
C1
R5
68R
2R7
(MMA 0204)
PD0
IRDA_SD
PD1
330nF
U2
5 _VCC
1 _LEDA
2 _TXD
4 _SD
3 _RXD
6 _GND
ZHX1810
VCC_33V
-DIS_IRDA
R11
10K
1
VCC_33V
U1A
7
1
PD2 = IR_SD ₂
SN74LVC2G04
GND
A0
A2
A1
A3
A11
A9
A5
A4
A15
A16
A14
A12
A13
A10
A8
A7
A6
-WR
-RD
-CS1
U3
1
2
3
4
13
14
15
16
17
18
19
20
21
29
30
31
32
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
12
28
5
WE
OE
CS
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
6
7
10
11
22
23
26
27
VCC
VCC
24
8
GND
GND
25
9
IDT71V124S/SO
D5
D4
D2
D6
D7
D3
D0
D1
VCC_SRAM
C2
0.001uF
C3
0.1uF
U4
4
IRDA_SD
SN74AHC1G32
GND
U1C
6
2
SN74LVC2G04
CONNECTORS
ZiLOG, Inc.
532 Race Street. San Jose,CA 95126. 408.558.8500
Title
eZ80F91 Ethernet Mini Module.
Size Document Number
Rev
B
96C0942-001
B
PS023602-0804
Figure 5. eZ80F91 Mini Enet Module Schematic Diagram, #1 of 2—Connectors and Miscellaneous
PRELIMINARY
Schematics