PS023603-0907

PRELIMINARY

Schematics

eZ80F91 Mini Enet Module

Product Specification

16

Schematics

Figures 5 and 6 describe 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.

Figure 5. eZ80F91 Mini Enet Module Schematic Diagram, #1 of 2—Connectors and Miscellaneous

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

connector 2

connector 1

=

(MMA 0204)

-F91_WE

CONNECTORS

96C0942-001

B

eZ80F91 Ethernet Mini Module.

ZiLOG, Inc.

532 Race Street. San Jose,CA 95126. 408.558.8500

B

12

Wednesda y , A p ril 07, 2004

Title

Size

Document Number

Rev

Date:

S h e e t

of

-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

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

GND

VCC_33V

VCC_33v

VCC_33V

VCC_33V

J1

HEADER 28x2

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3

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7

9

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20

22

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26

28

30

32

34

36

38

40

42

44

46

48

50

52

54

56

R4

68R

R1

10K

R7

10K

U1A

SN74LVC2G04

1

7

C1

330nF

R11

10K

U4

SN74AHC1G32

1

2

4

J2

HEADER 28x2

1

3

5

7

9

11

13

15

17

19

21

23

25

27

29

31

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35

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51

53

55

2

4

6

8

10

12

14

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18

20

22

24

26

28

30

32

34

36

38

40

42

44

46

48

50

52

54

56

U1C

SN74LVC2G04

6

2

JP1

HEADER 2

R5

2R7

R3

4.7K

C3

0.1uF

C2

0.001uF

R6

2.2K

R8

10K

U1B

SN74LVC2G04

3

5

R9

10K

R2

4.7K

U3

IDT71V124S/SO

5

19

28

20

18

17

29

12

31

9

1

2

3

4

13

14

15

16

21

30

32

6

7

10

11

22

23

26

27

25

8

24

CS

A10

OE

A11

A9

A8

A13

WE

A15

GND

A0

A1

A2

A3

A4

A5

A6

A7

A12

A14

A16

I/O0

I/O1

I/O2

I/O3

I/O4

I/O5

I/O6

I/O7

GND

VCC

VCC

U2

ZHX1810

2

4

3

1

5

6

TXD

SD

RXD

LEDA

VCC

GND