HD64F2149 Datasheet, PDF (666/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

20.1.4 Register Configuration
Table 20.2 summarizes the registers of the A/D converter.
Table 20.2 A/D Converter Registers
Name
Abbreviation
R/W
A/D data register AH
ADDRAH
R
A/D data register AL
ADDRAL
R
A/D data register BH
ADDRBH
R
A/D data register BL
ADDRBL
R
A/D data register CH
ADDRCH
R
A/D data register CL
ADDRCL
R
A/D data register DH
ADDRDH
R
A/D data register DL
ADDRDL
R
A/D control/status register
ADCSR
R/(W)*²
A/D control register
ADCR
R/W
Module stop control register
MSTPCRH
R/W
MSTPCRL
R/W
Keyboard comparator control
KBCOMP
R/W
register
Notes: 1. Lower 16 bits of the address.
2. Only 0 can be written in bit 7, to clear the flag.
Initial Value
H'00
H'00
H'00
H'00
H'00
H'00
H'00
H'00
H'00
H'3F
H'3F
H'FF
H'00
Address*¹
H'FFE0
H'FFE1
H'FFE2
H'FFE3
H'FFE4
H'FFE5
H'FFE6
H'FFE7
H'FFE8
H'FFE9
H'FF86
H'FF87
H'FEE4
20.2 Register Descriptions
20.2.1 A/D Data Registers A to D (ADDRA to ADDRD)
Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
AD9 AD8 AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 — — — — — —
Initial value 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Read/Write R R R R R R R R R R R R R R R R
There are four 16-bit read-only ADDR registers, ADDRA to ADDRD, used to store the results of
A/D conversion.
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