SH7014 Datasheet, PDF (402/754 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

13. High Speed A/D Converter ⎯ SH7014 ⎯
13.1.2 Block Diagram
Figure 13.1 is the block diagram of the high speed A/D converter.
AV_CC
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
+
−
CMP
ADDRA
ADDRB
ADDRC
ADDRD
ADDRE
ADDRF
ADDRG
ADDRH
ADCR ADCSR
MTU conversion
start trigger
Legend:
ADCR: A/D control register
ADCSR: 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
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
Figure 13.1 High Speed A/D Converter Block Diagram
13.1.3 Pin Configuration
Table 13.1 shows the input pins used by the high speed A/D converter.
The AV_CC and AV_SS pins are for the high speed A/D converter internal analog section power
supply.
Rev.5.00 Sep. 27, 2007 Page 368 of 716
REJ09B0398-0500