sh66p51 SinoWealth Micro-Electronics Corp. Ltd, sh66p51 Datasheet - Page 10

• Manufacturer Part Number: sh66p51
• Description: Otp 2k 4-bit Micro-controller With Lcd Driver
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

Configuration of System Register (continued):
3. ROM
The ROM can address 2048 X 16 bits of program area from $000 to $7FF.
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
$24 - 27
$1C
$1D
$1A
$1B
$1E
$1F
$19
$20
$21
$22
$23
Address
$000
$001
$002
$003
$004
PBCR.3
PCCR.3
PDCR.3
CFH3
CFH7
CFL3
CFL7
WDT
Bit3
-
-
-
PCCR.2
PDCR.2
PBCR.2
WDT.2
CFH2
CFH6
CFL2
CFL6
Bit2
-
-
-
PBCR.1
PCCR.1
PDCR.1
PECR.1
WDT.1
CFH1
CFH5
CFL1
CFL5
Bit1
Instruction
-
-
-
JMP*
JMP*
JMP*
JMP*
JMP*
PCCR.0
PDCR.0
PBCR.0
PECR.0
WDT.0
CFH0
CFH4
CFL0
CFL4
Bit0
-
-
-
10
R/W
R/W PORTB input/output control
R/W PORTC input/output control
R/W PORTD input/output control
R/W PORTE input/output control
R/W
R/W Carrier low level timer load data register
R/W Carrier low level timer load data register
R/W Carrier high level timer load data register
R/W Carrier high level timer load data register
R
-
-
-
Reserved
Bit0 - 2: Watchdog timer control
Bit3: Watchdog timer overflow flag
Reserved
Reserved
Jump to Base timer interrupt service routine
Jump to TIMER0 interrupt service routine
Jump to Port interrupt service routine
Jump to RESET service routine
Remarks
Reserved
Remarks
SH66P51