h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 606

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 19 A/D Converter
19.1.2
Figure 19.1 shows a block diagram of the A/D converter.
Rev. 4.00 Jun 06, 2006 page 552 of 1004
REJ09B0301-0400
AN6/CIN0 to CIN7
Block Diagram
AVCC
AVSS
AN0
AN1
AN2
AN3
AN4
AN5
AN7
ADTRG
Legend:
ADCR:
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
A/D control register
10-bit D/A
Figure 19.1 Block Diagram of A/D Converter
Sample-and-
hold circuit
Comparator
+
–
Module data bus
Control circuit
Conversion start
trigger from 8-bit
timer
Internal
data bus
ADI interrupt
signal
/8
/16