sh66l08a SinoWealth Micro-Electronics Corp. Ltd, sh66l08a Datasheet - Page 6

• Manufacturer Part Number: sh66l08a
• Description: 1k 4-bit Micro-controller With Lcd Driver
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

3. ROM
The ROM can address 1024 X 16 bits of program area from $000 to $3FF.
3.1. Vector Address Area ($000 to $004)
The program is sequentially executed. There is an area address $000 through $004 that is reserved for a special interrupt
service routine such as starting vector address.
* JMP instruction can be replaced by any instruction.
Address
$000
$001
$002
$003
$004
Instruction
JMP*
JMP*
JMP*
JMP*
JMP*
Jump to PBC service routine (PORTB & PORTC)
Jump to External interrupt service routine
Jump to TIMER0 service routine
Jump to TIMER1 service routine
Jump to RESET service routine
6
Remarks
SH66L08A