HD6417705F133V Datasheet, PDF (577/741 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

21.2 Input/Output Pins
Table 21.1 summarizes the A/D converter’s pins. The AV_CC and AV_SS pins are the power supply
for the analog circuits in the A/D converter. The AV_CC pin also functions as the A/D conversion
reference voltage pin.
Table 21.1 Pin Configuration
Pin Name
Analog power supply
Analog ground
Analog input 0
Analog input 1
Analog input 2
Analog input 3
Input/
Abbreviation Output Function
AVcc
Input Analog power supply and reference voltage for
A/D conversion
AVss
Input Analog ground and reference voltage for A/D
conversion
AN0
Input Analog input 0
AN1
Input Analog input 1
AN2
Input Analog input 2
AN3
Input Analog input 3
21.3 Register Descriptions
The A/D converter has the following registers. For more information on addresses of registers and
register states in the processing, see section 24, List of Registers.
• A/D data register A (ADDRA)
• A/D data register B (ADDRB)
• A/D data register C (ADDRC)
• A/D data register D (ADDRD)
• A/D control/status register (ADCSR)
Rev. 2.00, 09/03, page 529 of 690