1

2

3

4

X1

+5v

5

6

7

8

4.9152MHz

U2 1 2 3 4

A

MR VCC GND NC

8 7 6 5

NC RES NC NC

R1 C1 22pF

MAX702

R2 4k7

+5v 39 41 40

100k

R4

100k

8 7 6

B

17 18 19 20

+5v

22 21

XT EX

PA3 PA4 PA5 PA6 PA7

RESET IRQ XIRQ

PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7

PA0 PA1 PA2 PE0 PE1 PE2 PE3

PC0 PC1 PC2 PC3 PC4 PC5 PC6 PC7

VRH VRL

+5v R7 C

S1

10k

R8

+5v

10k

CLR/SAV

48 Clr/Sav R9

S3

23

->

R10

Vdd

MODA MODB

Vss

10k

E AS R/W

C3 0u1

->

S4

PD0 PD1 PD2 PD3 PD4 PD5

MODE Mode

S2

A

C2 22pF

U1 30 29

R3

10M

5 4 3 2 1 16 15 14 13 12 11 10 9

A8 A9 A10 A11 A12 A13 A14 A15

1 11

31 32 33 34 35 36 37 38

AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7

9 8 7 6 5 4 3 2

42 43 44 45 46 47

B

U3 OC C

Vcc Gnd

D8 D7 D6 D5 D4 D3 D2 D1

Q8 Q7 Q6 Q5 Q4 Q3 Q2 Q1

20 10 12 13 14 15 16 17 18 19

A0 A1 A2 A3 A4 A5 A6 A7

74HC573 +/ Up - / Down -> Clr/Sav Mode

25 24

Rx Data C

+5v R5

27 26 28

R6

100k

100k E CLK

68HC11A1

10k

R/W*

-/Down -/Down

D

R11 S5

+5v

Drawn by Grant Beattie D

10k

+/Up

Title Call ID CPU

+/Up Size A Date: 1

2

3

4

5

Document Number CallID_1.esp

Rev A

Saturday, April 26, 1997 6

Sheet 7

1

3

of 8

1

2

3

4

5

6

7

EPROM

8

LCD

C000 - FFFF

4000 - 7FFF

A

A

+5v

14 1

A15

2

A14

U5A 74HC00

U4 10 9 8 7 6 5 4 3 25 24 21 23 2 26

3

7

B

9

R/W*

10

E

U5C 74HC00

8

+5v

20 22 27 1

CN1

A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13

11 12 13 15 16 17 18 19

O0 O1 O2 O3 O4 O5 O6 O7

+5v 28

CE OE PGM VPP

1

D6

D7

14

2

D4

D5

13

3

D2

D3

12

4

D0

D1

11

5

R/W

E

10

6

Vee

RS

9

7

Gnd

Vdd

8

B

+5v

LCD Socket C4 0u1

14

VR1 Contrast

27128A R/W* A0

C

C

+5v 1

A15

U6A

2 12

74HC04

13 A14

4

E

5

14 U5D 74HC00

11

5

6

U6C 7

U5B 74HC00

6

3

U6B

4

74HC04

74HC04

Drawn by Grant Beattie D

D

Title Call ID Memory and LCD Size A Date: 1

2

3

4

5

Document Number CallID_2.esp

Rev A

Saturday, April 26, 1997 6

Sheet 7

2

3

of 8

1

2

3

4

5

6

7

8

A

A

C7 500pF 250v

R12 10k

C5

1N4004

0.2uF 250v TIP CN2 RJ-11

CG1 CG2-230L

D1 D3

RING

C12 0.1uF

+5v

R14 470k

C6

B

RX Data

D2 D4

B

U7

0.2uF 250v

1 2

C8 500pF 250v

3 4

R13 10k +5v

R15 18k

7 R17 270k

8

16

VDD

15 14

COOK RAW

RING D1 RING D2

13 12

CD RD

RTIME PWRUP

11

CLKSEL

10 9

OSCI OSCO

GND

+5v

X2 3.579MHz

MC145447

R16 15k

C

6

TIP IN RING IN

C

R18 10M

C9 0.2uF C10 30pF

C11 30pF

NOTE: Drawn by Grant Beattie D

D

CG1 (COMGAP) protection circuit can be eliminated if phone jack (CN2) is paralleled with existing telephone.

Title Caller ID Telco Interface Size A Date:

1

2

3

4

5

Document Number CallID_3.esp

Rev A

Saturday, April 26, 1997 6

Sheet 7

3

3

of 8