Rev. 1.0, 02/00, page 316 of 1141
16.1.4
Register Configuration
Table 16.2 shows the register configuration of timer X1.
Table 16.2
Register Configuration
Name
Abbrev.
R/W
Initial Value
Address
*3
Timer interrupt enabling register
TIER
R/W
H'00
H'D100
Timer control/status register X
TCSRX
R/ (W)
*1
H'00
H'D101
Free running counter H
FRCH
R/W
H'00
H'D102
Free running counter L
FRCL
R/W
H'00
H'D103
Output comparing register AH
OCRAH
R/W
H'FF
H'D104
*2
Output comparing register AL
OCRAL
R/W
H'FF
H'D105
*2
Output comparing register BH
OCRBH
R/W
H'FF
H'D104
*2
Output comparing register BL
OCRBL
R/W
H'FF
H'D105
*2
Timer control register X
TCRX
R/W
H'00
H'D106
Timer output comparing control register
TOCR
R/W
H'00
H'D107
Input capture register AH
ICRAH
R
H'00
H'D108
Input capture register AL
ICRAL
R
H'00
H'D109
Input capture register BH
ICRBH
R
H'00
H'D10A
Input capture register BL
ICRBL
R
H'00
H'D10B
Input capture register CH
ICRCH
R
H'00
H'D10C
Input capture register CL
ICRCL
R
H'00
H'D10D
Input capture register DH
ICRDH
R
H'00
H'D10E
Input capture register DL
ICRDL
R
H'00
H'D10F
Notes: 1. Only 0 can be written to clear the flag for Bits 7 to 1. Bit 0 is readable/writable.
2. The addresses of the OCRA and OCRB are the same. Changeover between them are
to be made by use of the TOCR bit and OCRS bit.
3. Lower 16 bits of the address.