Datasheet
Table Of Contents
- Notes regarding these materials
- General Precautions in the Handling of MPU/MCU Products
- How to Use This Manual
- Table of Contents
- Quick Reference by Address B-
- 1. Overview
- 2. Central Processing Unit (CPU)
- 2.1 Data Registers (R0, R1, R2 and R3)
- 2.2 Address Registers (A0 and A1)
- 2.3 Frame Base Register (FB)
- 2.4 Interrupt Table Register (INTB)
- 2.5 Program Counter (PC)
- 2.6 User Stack Pointer (USP) and Interrupt Stack Pointer (ISP)
- 2.7 Static Base Register (SB)
- 2.8 Flag Register (FLG)
- 2.8.1 Carry Flag (C Flag)
- 2.8.2 Debug Flag (D Flag)
- 2.8.3 Zero Flag (Z Flag)
- 2.8.4 Sign Flag (S Flag)
- 2.8.5 Register Bank Select Flag (B Flag)
- 2.8.6 Overflow Flag (O Flag)
- 2.8.7 Interrupt Enable Flag (I Flag)
- 2.8.8 Stack Pointer Select Flag (U Flag)
- 2.8.9 Processor Interrupt Priority Level (IPL)
- 2.8.10 Reserved Area
- 3. Memory
- 4. Special Function Registers (SFRs)
- 5. Reset
- 6. Processor Mode
- 7. Clock Generation Circuit
- 8. Protection
- 9. Interrupt
- 10. Watchdog Timer
- 11. DMAC
- 12. Timer
- 13. Serial I/O
- 14. A/D Converter
- 15. CRC Calculation Circuit
- 16. Programmable I/O Ports
- 16.1 Port Pi Direction Register (PDi Register, i = 1, 6 to 10)
- 16.2 Port Pi Register (Pi Register, i = 1, 6 to 10)
- 16.3 Pull-up Control Register 0 to Pull-up Control Register 2 (PUR0 to PUR2 Registers)
- 16.4 Port Control Register
- 16.5 Pin Assignment Control register (PACR)
- 16.6 Digital Debounce function
- 17. Flash Memory Version
- 17.1 Flash Memory Performance
- 17.2 Memory Map
- 17.3 Functions To Prevent Flash Memory from Rewriting
- 17.4 CPU Rewrite Mode
- 17.5 Register Description
- 17.6 Precautions in CPU Rewrite Mode
- 17.6.1 Operation Speed
- 17.6.2 Prohibited Instructions
- 17.6.3 Interrupts
- 17.6.4 How to Access
- 17.6.5 Writing in the User ROM Space
- 17.6.6 DMA Transfer
- 17.6.7 Writing Command and Data
- 17.6.8 Wait Mode
- 17.6.9 Stop Mode
- 17.6.10 Low Power Consumption Mode and On-chip Oscillator-Low Power Consumption Mode
- 17.7 Software Commands
- 17.8 Status Register
- 17.9 Standard Serial I/O Mode
- 17.10 Parallel I/O Mode
- 18. Electrical Characteristics
- 19. Usage Notes
- 19.1 SFR
- 19.2 PLL Frequency Synthesizer
- 19.3 Power Control
- 19.4 Protect
- 19.5 Interrupts
- 19.6 DMAC
- 19.7 Timer
- 19.8 Serial I/O
- 19.9 A/D Converter
- 19.10 Programmable I/O Ports
- 19.11 Electric Characteristic Differences Between Mask ROM
- 19.12 Mask ROM Version
- 19.13 Flash Memory Version
- 19.13.1 Functions to Inhibit Rewriting Flash Memory
- 19.13.2 Stop mode
- 19.13.3 Wait mode
- 19.13.4 Low power dissipation mode, on-chip oscillator low power dissipation mode
- 19.13.5 Writing command and data
- 19.13.6 Program Command
- 19.13.7 Operation speed
- 19.13.8 Instructions prohibited in EW0 Mode
- 19.13.9 Interrupts
- 19.13.10 How to access
- 19.13.11 Writing in the user ROM area
- 19.13.12 DMA transfer
- 19.13.13 Regarding Programming/Erasure Times and Execution Time
- 19.13.14 Definition of Programming/Erasure Times
- 19.13.15 Flash Memory Version Electrical Characteristics 10,000 E/W cycle product
- 19.13.16 Boot Mode
- 19.14 Noise
- 19.15 Instruction for a Device Use
- Appendix 1. Package Dimensions
- Appendix 2. Functional Difference
- Register Index
- REVISION HISTORY

4. SFRs
page 25
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0020-2020B90JER
Table 4.6 SFR Information(6)
(1)
03C0
16
03C1
16
03C2
16
03C3
16
03C4
16
03C5
16
03C6
16
03C7
16
03C8
16
03C9
16
03CA
16
03CB
16
03CC
16
03CD
16
03CE
16
03CF
16
03D0
16
03D1
16
03D2
16
03D3
16
03D4
16
03D5
16
03D6
16
03D7
16
03D8
16
03D9
16
03DA
16
03DB
16
03DC
16
03DD
16
03DE
16
03DF
16
03E0
16
03E1
16
03E2
16
03E3
16
03E4
16
03E5
16
03E6
16
03E7
16
03E8
16
03E9
16
03EA
16
03EB
16
03EC
16
03ED
16
03EE
16
03EF
16
03F0
16
03F1
16
03F2
16
03F3
16
03F4
16
03F5
16
03F6
16
03F7
16
03F8
16
03F9
16
03FA
16
03FB
16
03FC
16
03FD
16
03FE
16
03FF
16
NOTE:
1. Blank spaces are reserved. No access is allowed.
X: Undefined
Register
Symbol After Reset
A/D register 0 AD0 XXXXXXXX
2
XXXXXXXX
2
A/D register 1 AD1 XXXXXXXX2
XXXXXXXX
2
A/D register 2 AD2 XXXXXXXX
2
XXXXXXXX
2
A/D register 3 AD3 XXXXXXXX
2
XXXXXXXX
2
A/D register 4 AD4 XXXXXXXX
2
XXXXXXXX
2
A/D register 5 AD5 XXXXXXXX
2
XXXXXXXX
2
A/D register 6 AD6 XXXXXXXX
2
XXXXXXXX
2
A/D register 7 AD7 XXXXXXXX
2
XXXXXXXX
2
A/D trigger control register ADTRGCON 00
16
A/D status register 0 ADSTAT0 00000X00
2
A/D control register 2 ADCON2 00
16
A/D control register 0 ADCON0 00000XXX
2
A/D control register 1 ADCON1 00
16
Port P1 register P1 XX
16
Port P1 direction register PD1 00
16
Port P6 register P6 XX
16
Port P7 register P7 XX
16
Port P6 direction register PD6 00
16
Port P7 direction register PD7 00
16
Port P8 register P8 XX
16
Port P9 register P9 XXXXXXXX
2
Port P8 direction register PD8 00
16
Port P9 direction register PD9 XXXX0000
2
Port P10 register P10 XX
16
Port P10 direction register PD10 00
16
Pull-up control register 0 PUR0 00
16
Pull-up control register 1 PUR1 00
16
Pull-up control register 2 PUR2 00
16
Port control register PCR 00
16
Address