hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 363

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Bit 2—Count-up Enable L (CUEL)
Bit 2 enables event clock input to ECL. When 1 is written to this bit, event clock input is enabled
and increments the counter. When 0 is written to this bit, event clock input is disabled and the
ECL value is held.
Bit 2
CUEL
0
1
Bit 1—Counter Reset Control H (CRCH)
Bit 1 controls resetting of ECH. When this bit is cleared to 0, ECH is reset. When 1 is written to
this bit, the counter reset is cleared and the ECH count-up function is enabled.
Bit 1
CRCH
0
1
Bit 0—Counter Reset Control L (CRCL)
Bit 0 controls resetting of ECL. When this bit is cleared to 0, ECL is reset. When 1 is written to
this bit, the counter reset is cleared and the ECL count-up function is enabled.
Bit 0
CRCL
0
1
Event Counter H (ECH)
Bit
Initial Value
Read/Write
Description
ECL event clock input is disabled
ECL value is held
ECL event clock input is enabled
ECH is reset
ECH reset is cleared and count-up function is enabled
ECL is reset
ECL reset is cleared and count-up function is enabled
Description
Description
ECH7
0
R
7
ECH6
0
6
R
ECH5
0
R
5
ECH4
4
R
0
Rev. 7.00 Mar 10, 2005 page 321 of 652
ECH3
0
R
3
ECH2
R
2
0
REJ09B0042-0700
ECH1
Section 9 Timers
0
R
1
(initial value)
(initial value)
(initial value)
ECH0
R
0
0