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
14. A/D Converter
page 193
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A/D control register 1
(1)
Symbol Address After reset
ADCON1 03D7
16
00
16
Bit name FunctionBit symbol
b7 b6 b5 b4 b3 b2 b1 b0
A/D Sweep Pin
Select Bit
(2)
SCAN0
SCAN1
MD
2
BITS
8/10-Bit Mode Select Bit 0 : 8-bit mode
1 : 10-bit mode
VCUT
V
REF
Connect Bit
(3)
A/D Operation Mode
Select Bit 1
1 : V
REF
connected
01
Frequency Select Bit 1
CKS1
0 : Any mode other than repeat sweep
mode 1
RW
RW
RW
RW
RW
RW
RW
Refer to Table 14.2 A/D Conversion
Frequency Select
(b7-b6)
Nothing is assigned. When write, set to “0”.
When read, its content is “0”.
When selecting repeat sweep mode 0
0 0 : AN
0
to AN
1
(2 pins)
0 1 : AN
0
to AN
3
(4 pins)
1 0 : AN
0
to AN
5
(6 pins)
1 1 : AN
0
to AN
7
(8 pins)
b1 b0
NOTE:
1. If the ADCON2 register is rewritten during A/D conversion, the conversion result will be indeterminate.
A/D control register 2
(1)
Symbol Address After reset
ADCON2 03D4
16
00
16
b7 b6 b5 b4 b3 b2 b1 b0
A/D Conversion Method
Select Bit
Bit symbol Bit name Function RW
SMP
Reserved Bit
Set to
“0”
0
A/D Input Group
Select Bit
0 0 : Select port P10 group (AN
i
)
0 1 : Select port P9 group (AN
3i
)
1 0 : Do not set
1 1 : Do not set
b2 b1
Frequency Select Bit 2
CKS2
ADGSEL0
ADGSEL1
RW
RW
RW
RW
RW
(b3)
Nothing is assigned. When write, set to “0”.
When read, its content is “0”.
(b7-b6)
Refer to Table 14.2 A/D Conversion
Frequency Select
RW
TRG1
Trigger Select Bit 1
0 : Without sample and hold
1 : With sample and hold
Set to "0" in repeat sweep mode 0
0
A/D control register 0
(1)
Symbol Address After reset
ADCON0 03D6
16
00000XXX
2
b7 b6 b5 b4 b3 b2 b1 b0
Analog Input Pin
Select Bit
CH0
Bit symbol Bit name Function
CH1
CH2
A/D Operation Mode
Select Bit 0
MD0
MD
1
Trigger Select Bit
TRG
ADST
A/D Conversion Start
Flag
0 : A/D conversion disabled
1 : A/D conversion started
Frequency Select Bit 0
CKS0
RW
1
RW
RW
RW
RW
RW
RW
RW
RW
Refer to Table 14.2 A/D Conversion
Frequency Select
1
NOTE:
1. If the ADCON0 register is rewritten during A/D conversion, the conversion result will be indeterminate.
0 : Software trigger
1 : Hardware trigger (AD
TRG
trigger)
Invalid in repeat sweep mode 0
1 1 : Repeat sweep mode 0 or
Repeat sweep mode 1
b4 b3
NOTES:
1. If the ADCON1 register is rewritten during A/D conversion, the conversion result will be indeterminate.
2. AN
30
to AN
32
can be used in the same way as AN
0
to AN
7
. Use the ADGSEL1 to ADGSET0 bits in the ADCON2
register to select the desired pin.
3. If the VCUT bit is reset from “0” (V
REF
unconnected) to “1” (V
REF
connected), wait for 1 µs or more before starting A/D
conversion.
Figure 14.1.4.2 ADCON0 to ADCON2 Registers in Repeat Sweep Mode 0