SH7040 Datasheet, PDF(576/923 Page) Renesas Technology Corp – Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

SH7040 Datasheet, PDF (576/923 Pages) Renesas Technology Corp – Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)

◁

15.1.2 Block Diagram

Figure 15.1 is the block diagram of the high speed A/D converter.

AVcc

AVref*

AN0

AN1

AN2

AN3

AN4

AN5

AN6

AN7

AVss

S&H A

S&H B

D/A

conversion

circuit

Internal

data bus

Bus I/F

+

â

CMP

ADDRA

ADDRB

ADDRC

ADDRD

ADDRE

ADDRF

ADDRG

ADDRH

ADCR ADCSR

ADTRG

ADCR: A/D control register

ADSCR: A/D control status register

ADDRA: A/D data register A

ADDRB: A/D data register B

ADDRC: A/D data register C

ADDRD: A/D data register D

8-bit timer or

MTU conversion

start trigger

Interrupt signal

ADI

CMP: Comparator array

S&H: Sample and hold circuit

ADDRE: A/D data register E

ADDRF: A/D data register F

ADDRG: A/D data register G

ADDRH: A/D data register H

Note: * SH7043 only

Figure 15.1 High Speed A/D Converter Block Diagram

15.1.3 Pin Configuration

Table 15.1 shows the input pins used by the high speed A/D converter.

The AVcc and AVss pins are for the A/D converter internal analog section power supply. The

AVref pin is for the A/D conversion standard voltage.

538

▷