Toshiba TLCS-870/C Series Manual page 101

9. 8-Bit TimerCounter (TC3, TC4)
9.1 Configuration
Table 9-3 Constraints on Register Values Being Compared
8-bit timer/event counter
8-bit PDO
8-bit PWM
16-bit timer/event counter
Warm-up counter
16-bit PWM
16-bit PPG
Note: n = 3 to 4
Operating mode
1≤ (TTREGn) ≤255
1≤ (TTREGn) ≤255
2≤ (PWREGn) ≤254
1≤ (TTREG4, 3) ≤65535
256≤ (TTREG4, 3) ≤65535
2≤ (PWREG4, 3) ≤65534
1≤ (PWREG4, 3) < (TTREG4, 3) ≤65535
and
(PWREG4, 3) + 1 < (TTREG4, 3)
Register Value
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TMP86PM29BUG