sh66p31b SinoWealth Micro-Electronics Corp. Ltd, sh66p31b Datasheet - Page 6
sh66p31b
Manufacturer Part Number
sh66p31b
Description
Otp 1k 4-bit Micro-controller
Manufacturer
SinoWealth Micro-Electronics Corp. Ltd
Datasheet
1.SH66P31B.pdf
(28 pages)
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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*
NOP
NOP
Jump to Port interrupt service routine
Jump to TIMER0 service routine
Jump to RESET service routine
6
Remarks
Reserved
Reserved
SH66P31B
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