H8S2117R Datasheet, PDF (757/1024 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8S Family / H8S/2100 Series

Section 22 A/D Converter
22.3.1 A/D Data Registers A to H (ADDRA to ADDRH)
There are eight 16-bit read-only ADDR registers, ADDRA to ADDRH, used to store the results of
A/D conversion. The ADDR registers which store a conversion result for each channel are shown
in table 22.3.
The 10-bit conversion data is stored in bits 15 to 6. The lower six bits are always read as 0.
The data bus between the CPU and the A/D converter is sixteen bits wide. The data can be read
directly from the CPU. ADDR must not be accessed in 8-bit units and must be accessed in 16-bit
units.
Table 22.3 Analog Input Channels and Corresponding ADDR
Analog Input Channel
Channel Set 0 (CH3 = 0) Channel Set 1 (CH3 = 1)
AN0
AN8
AN1
AN9
AN2
AN10
AN3
AN11
AN4
AN12
AN5
AN13
AN6
AN14
AN7
AN15
A/D Data Register to Store A/D
Conversion Results
ADDRA
ADDRB
ADDRC
ADDRD
ADDRE
ADDRF
ADDRG
ADDRH
Rev. 1.00 Apr. 28, 2008 Page 731 of 994
REJ09B0452-0100