H8S-2258 Datasheet, PDF (776/1071 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2200 Series

Section 17 A/D Converter
AV_CC
Vref
10-bit D/A
Module data bus
Internal data bus
AV_SS
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
Off during A/D conversion
wait time, on during A/D
conversion.
+
φ/2
φ/4
Comparator
Control circuit
φ/8
Sample-and-
φ/16
hold circuit
ADI
interrupt
Conversion start
trigger from TPU or 8-bit timer
ADTRG
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
Figure 17.1 Block Diagram of A/D Converter
Rev. 5.00 Aug 08, 2006 page 690 of 982
REJ09B0054-0500