hd66100 Renesas Electronics Corporation., hd66100 Datasheet - Page 203

• Manufacturer Part Number: hd66100
• Description: H8/3867 Series
• Manufacturer: Renesas Electronics Corporation.

Bit 7: Auto-reload function select (TMC7)
Bit 7 selects whether timer C is used as an interval timer or auto-reload timer.
Bit 7
TMC7
0
1
Bits 6 and 5: Counter up/down control (TMC6, TMC5)
Selects whether TCC up/down control is performed by hardware using UD pin input, or whether
TCC functions as an up-counter or a down-counter.
Bit 6
TMC6
0
0
1
Bits 4 and 3: Reserved bits
Bits 4 and 3 are reserved; they are always read as 1 and cannot be modified.
188
Description
Interval timer function selected
Auto-reload function selected
Bit 5
TMC5
0
1
*
Description
TCC is an up-counter
TCC is a down-counter
Hardware control by UD pin input
UD pin input high: Down-counter
UD pin input low: Up-counter
(initial value)
(initial value)
*: Don’t care