Download TM87P08 User`s Manual

TM87P08 User’s Manual
11. Watch dog timer.
12. LCD driver output.
z 32 LCD/LED driver outputs (up to 128 or 256 LCD segment drivable).
z 1/4 or 1/8 Duty for LCD/LED.
z 1/2 Bias or 1/3 Bias for LCD/LED selected by option.
z Single instruction to turn off all segments.
z Option is used to select COM5~8,DC9/OD9,DC30/OD30 as DC outputs/P_open
drain.
z 32 LCD address.
13. Built-in Voltage doubler, halve charge pump circuit.
14. Dual clock operation, and X’tal type slow oscillation, and fast oscillation can set
3.58MHz ceramic resonator or external R by switch option.
15. HALT function.
16. STOP function.
17. ROM code protect fuse.
APPLICATION
„
1-3.
Timer / Calendar / Calculator
BLOCK DIAGRAM
COM1-8 DC9 DC30 SEG1-29,31,40,41 VDD1-3
B1-4
A1-4
C1-4
D1-4
B-PORT
ALARM
A-PORT
RFC
C-PORT
KEY-IN
D-PORT
LCD DRIVER
FIXED SEGMENT PLA
4 BITS DATA BUS
INDEX ROM
FREQUENCY
GENERATOR
ALU
DATA RAM
256 X 4 BITS
4096 X 8 BITS
PRE-DIVIDER
CUP1,2
XTIN,OUT
CFIN,OUT
FRIN,OUT
OSCILLATOR
6 BITS PRESET
TIMER1 & 2
8 LEVELS
STACK
CONTROL
CIRCUIT
12 BITS
PROGRAM
COUNTER
RESET INT
4
INSTRUCTION
DECODER
PROGRAM ROM
4096 X 16 BITS
TM87P08 BLOCK DIAGRAM
tenx technology, inc.
Rev 1.0 2004/2/2