Zilog EZ80F91 - Manual (Page 68)

UM014220-0508 Schematic Diagrams
eZ80F91 Development Kit
User Manual
63
Figure 24. eZ80F91 Module Schematic Diagram, #2 of 3—CPU and PHY
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
D0
D1
D2
D3
D5
D7
D4
D6 A6
A1
A3
A0
A2
A5
A7
A4
A14
A9
A11
A8
A10
A13
A15
A12
A22
A17
A19
A16
A18
A21
A23
A20
MDC
TXD2
TXD0
TXD3
TXD1
TXER
MDI0
TXEN
PA1
PA6
PA4
PA7
PA5
PA2
PA0
PA3
PB1
PB6
PB4
PB7
PB5
PB2
PB0
PB3
PD1
PD6
PD4
PD7
PD5
PD2
PD0
PD3
TMS
-WAIT
-BUSREQ
TCK
-NMI
-TRSTN
-RESET
TDI
-F91_WP
CRS
RXD0
RXER
RXD3
COL
RXDV
RXD1
RXCLK
RXD2
TXCLK
-CS1
-MREQ
-WR
-IORQ
-RD
-CS0
-CS2
-CS3
SCL
SDA
-RESET
RXD3
RXD0
MDI0
MDC
RXDV
RXD2
RXD1
RXER
TXD3
RXCLK
TXCLK
TXD0
TXER
COL
TXD2
TXD1
TXEN
CRS
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
RTC_VDD
GND
VCC
VCC
VCC
GND
GND
GND
VCC
GND GND
GND
VCC
VCC
-LEDLNK
-LEDRX
VCC
-LEDRX
-LEDLNK
VCC
GND
VCC
VCC
GND
-F91_WP
-RESET
-TRSTN
TDI
TCK
TMS
-NMI
-BUSREQ
-WAIT
D[0:7]
PA[0:7]
PC[0:7]
PD[0:7]
PB[0:7]
TRIGOUT
TDO
CLK_OUT
-HALT_SLP
IICSCL
-CS3
-IORQ
-MREQ
-RD
-WR
-CS0
-CS1
-CS2
IICSDA
-BUSACK
-INSTRD
A[0:23]
RTC_VDD
GND
VCC
GND
VCC
Title
Size Document Number Rev
Date: Sheet of
96C0879-001
D
eZ80F91 Ethernet Module.
ZiLOG, Inc.
532 Race Street. San Jose,CA 95126. 408.558.8500
B
2 3 Wednesday, August 01, 2007
Title
Size Document Number Rev
Date: Sheet of
96C0879-001
D
eZ80F91 Ethernet Module.
ZiLOG, Inc.
532 Race Street. San Jose,CA 95126. 408.558.8500
B
2 3 Wednesday, August 01, 2007
Title
Size Document Number Rev
Date: Sheet of
96C0879-001
D
eZ80F91 Ethernet Module.
ZiLOG, Inc.
532 Race Street. San Jose,CA 95126. 408.558.8500
B
2 3 Wednesday, August 01, 2007
Put caps between pairs of U6, 10:11, 51:52, 59:65
and 71:73 as close to the pins as possible
CPU and PHY
This schematic reflects the
assembly rev B of the
module.
The FLASH memory on page 3
was changed to AM29008B for
Rev D schematic.
C10
0.1uF C10
0.1uF
R11 49.9 R11 49.9
C4 18pF C4 18pF
R16
10K R16
10K
C22
0.1uF C22
0.1uF
C40
0.001uF C40
0.001uF
R18 10K R18 10K
C47
0.1uF C47
0.1uF
R22 1K R22 1K
R21 0 R21 0
C19
0.1uF C19
0.1uF
C37
0.001uF C37
0.001uF
R13
10K R13
10K
C15
0.1uF C15
0.1uF
C5
220pF C5
220pF
C44
0.1uF C44
0.1uF
C26
0.1uF C26
0.1uF
Y2
50MHz
Y2
50MHz
C51
0.1uF C51
0.1uF
C31
0.001uF C31
0.001uF C34
0.001uF C34
0.001uF
R31 49.9 R31 49.9
C7 18pF C7 18pF
C9
10pF
C9
10pF
C23
0.1uF C23
0.1uF
C41
0.001uF C41
0.001uF
L1
3.3uH
L1
3.3uH
C48
0.1uF C48
0.1uF
1N5817
CR1
1N5817
CR1
2
1
R17
10K 0.1%
R17
10K 0.1%
R23 0 R23 0
C16
0.1uF
C16
0.1uF
C20
0.1uF C20
0.1uF
C38
0.001uF C38
0.001uF
R27
200K
R27
200K
R14
10K R14
10K
R26
499
R26
499
C45
0.1uF C45
0.1uF
C27
0.1uF C27
0.1uF
C52
0.1uF C52
0.1uF
C32
0.001uF C32
0.001uF C35
0.001uF C35
0.001uF
C11
12pF C11
12pF
R38 10M R38 10M
C24
0.1uF C24
0.1uF
C42
0.001uF C42
0.001uF
R32 49.9 R32 49.9
R28
220 R28
220
R34
330
R34
330
Y1
25 MHz
Y1
25 MHz
C29
0.1uF C29
0.1uF
R24 0 R24 0
C49
0.1uF C49
0.1uF
R25 10K R25 10K
C17
0.1uF C17
0.1uF
U5
EZ80F91
U5
EZ80F91
A0 1
A1 2
A2
3
A3 4
A4 5
A5 8
A6 9
A7 10
A8 11
A9
12
A10 13
A11 16
A12 17
A13 18
A14 19
A15 20
A16 21
A17 24
A18 25
A19 26
A20 27
A21
28
A22 29
A23 30
D0 39
D1 40
D2
41
D3 42
D4 43
D5 44
D6 45
D7 46
WAIT
54
BUSREQ 57
TMS 66
TCK 67
TDI 69
TRSTN 71
NMI 56
RESET 55
WP 144
IORQ 49
MRQ 50
RD 51
WR 52
CS0 33
CS1
34
CS2 35
CS3 36
SCL 110
SDA 109
MII_TXD3 126
MII_TXD2 127
MII_TXD1 128
MII_TXD0
129
MII_TXEN 130
MII_TXER 132
MII_MDC 142
MII_MDIO 143
MII_CRS 124
MII_COL 125
MII_RXER 135
MII_RXDV 137
MII_RXD0 138
MII_RXD1 139
MII_RXD2 140
MII_RXD3
141
MII_RXCLK 136
MII_TXCLK 131
FILT_IN 83
XOUT
85
XIN 86
VDD 6
VDD
14
VDD 22
VDD 31
VDD 47
VDD 59
VDD 81
PLL_VDD 87
VDD
88
VDD 98
VDD 112
VDD 122
VDD 133
VSS 7
VSS 15
VSS 23
VSS 32
VSS
38
VSS
48
VSS 60
VSS 64
VSS 72
VSS 82
PLL_VSS 84
VSS 89
VSS
99
VSS 108
VSS 113
VSS 123
VSS 134
PA7_PWM3
121
PA6_PWM2_EC1 120
PA5_PWM1_TOUT1 119
PA4_PWM0_TOUT0 118
PA3_PWM3_OC3 117
PA2_PWM2_OC2 116
PA1_PWM1_OC1 115
PA0_PWM0_OC0
114
PB7_MOSI 107
PB6_MISO 106
PB5_ICB3 105
PB4_ICA3 104
PB3_SCK
103
PB2_SS 102
PB1_IC1 101
PB0_IC0_EC0 100
PC7_RI1 97
PC6_DCD1
96
PC5_DSR1
95
PC4_DTR1 94
PC3_CTS1 93
PC2_RTS1 92
PC1_RXD1 91
PC0_TXD1 90
PD7_RI0 80
PD6_DCD0 79
PD5_DSR0 78
PD4_DTR0 77
PD3_CTS0 76
PD2_RTS0 75
PD1_RXD0_IRRXD 74
PD0_TXD0_IRTXD 73
HALT_SLP 65
PHI 111
TDO
70
TRIGOUT 68
BUSACK 58
INSTRD 53
RTC_VDD 63
RTC_XOUT 62
RTC_XIN 61
VDD 37
C21
0.1uF C21
0.1uF
C39
0.001uF C39
0.001uF
Y3
32.768KHz
Y3
32.768KHz
R15
10K R15
10K
C46
0.1uF C46
0.1uF
C28
0.1uF C28
0.1uF
R19 0 R19 0 U6
AM79C874
U6
AM79C874
PCSB 1
ISODEF 2
ISO 3
REFCLK 5
BURN_IN
7
RST 8
PWRDN 9
PHYAD4_0RXD- 14
PHYAD3_10RXD+ 15
PHYAD2_10TXD++ 16
PHYAD1_10TXD- 17
PHYAD0_10TXD-- 18
GPIO0_10TXD-- 19
GPIO1_TP125 20
MDIO 21
MDC
22
RXCLK 30
RXD3 23
RXD2 24
RXD1 25
RXD0 26
RXDV 29
RXER_RXD4 31
TXCLK_PCSBPCLK 33
TXD0 37
TXD1 38
TXD2 39
TXD3 40
TXEN 34
TXER_TXD4 32
COL
41
CRS 42
INTR 43
TECH_SEL2 53
TECH_SEL1 54
TECH_SEL0 55
ANEGA
56
IBREF 72
RPTR 61
LEDSPD0_LEDBTA_FXSEL 44
LECOL_SCRAMEN 45
LEDRX_LEDSEL 46
LEDTX_LEDBTB
47
LEDLNK_LED_10LNK 48
LESPD1_LEDTXA_CLK25EN 57
LEDDPX_LEDTXB 58
TEST3_SDI+ 62
TEST2 68
TEST1_FXR+ 67
TEST0_FXR- 66
FXT+ 69
FXT- 70
XTL- 74
XTL+ 75
TX+ 77
TX- 78
RX+
64
RX- 63
T
G
ND1
4
P
LLG
N
D
11
OGND1
12
DGND1
28
DGND2
35
OGND2
50
CRVGND
51
E
QGND
65
REF
G
ND
71
T
G
ND2
76
P
LLV
C
C
10
OVDD1
13
VDD1
27
VDD2
36
OVDD2
49
CRVVCC
52
ADO
V
CC
59
EQ
VCC
60
REF
V
CC
73
T
V
CC1
79
T
V
CC2
80
C53
0.1uF C53
0.1uF
C18
0.1uF C18
0.1uF
C36
0.001uF C36
0.001uF
VL1 VL1
C12
12pF C12
12pF
C6
0.056uF
C6
0.056uF
C25
0.1uF C25
0.1uF
C43
0.001uF C43
0.001uF
C8
5pF
C8
5pF
R33 49.9 R33 49.9
R35
330
R35
330
P2
HFJ11-2450E-L11
P2
HFJ11-2450E-L11
TX+ 1
TXCT 4
TX- 2
RX+ 3
RXCT 5
RX-
6
GND 8
AN1 9
CT1
10
CT2 12
AN2 11
C30
0.1uF C30
0.1uF
C33
0.001uF C33
0.001uF
C50
0.1uF C50
0.1uF