TM8713

tenx technology, inc.

Rev.1.4

2001/9/4

2

ELC, ELP (Muxed with SEG28, SEG29).

9.

Built in Alarm, clock or single tone melody generator.

BZB, BZ (Muxed with SEG30, SEG31).

10. Built in key matrix scanning function.

K1~K12 (Shared with SEG1~SEG12).

KI1~KI4 (Muxed with SEG32~SEG35).

11. One 6-bit programmable timer with programmable clock source.

12. Watch dog timer.

13. Built-in Voltage doubler, halver, tripler charge pump circuit.

14. Dual clock operation.

slow clock oscillation can be defined as X’tal or external RC type oscillator by mask

option.

fast clock oscillation can be defined as internal R or external R type oscillator by

mask option.

15. HALT function.

16. STOP function.

BLOCK DIAGRAM

OSCILLATOR

CONTROL

CIRCUIT

11 BITS PROGRAM

COUNTER

PROGRAM ROM

128N X 16 BITS

DATA RAM

96 X 4 BITS

8 LEVELS

STACK

6 BITS PRESET

TIMER 1

PRE-DIVIDER

INSTRUCTION

DECODER

ALU

TABLE ROM

256(12-N) X 8 BITS

FREQUENCY

GENERATOR

B-PORT

EL DRIVER

ALARM

A-PORT

C-PORT

KEY-IN

SEGMENT PLA

LCD DRIVER

VDD1-3

COM1-5

SEG1-12,21-35

C1-4

A1-4

B1-4

XTIN,OUT

CUP1,2

RESET

INT

4 BITS DATA BUS

N:1->12

N:1->12

N:1->12

N:1->12

ELC,ELP

BZ,BZB

KI1~KI4

K1~K12