Datasheet

Section 14 Watchdog Timer (WDT)
Page 856 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
TCNT write or
Writing to RSTE bit in RSTCSR
TCSR write
Address: H'FFBC (TCNT)
H'FFBE (RSTCSR)
15 8 7 0
H'5A Write data
Address:
H'FFBC (TCSR)
15 8 7 0
H'A5 Write data
Writing 0 to WOVF bit in RSTCSR
Address:
H'FFBE (RSTCSR)
15 8 7 0
H'A5 H'00
Writing to RSTE bit in RSTCSR
Address:
H'FFBE (RSTCSR)
15 8 7 0
H'5A Write data
Figure 14.4 Writing to TCNT, TCSR, and RSTCSR
(2) Reading TCNT, TCSR, and RSTCSR
These registers are read in the same way as other registers. The read addresses are H'FFBC for
TCSR, H'FFBD for TCNT, and H'FFBF for RSTCSR.