hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 359

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

Bit 1—Event Counter PWM Enable
Bit 1 controls enabling/disabling of event counter PWM and selection/deselection of IRQAEC.
Bit 1
ECPWME
0
1
Bit 0—Reserved
Bit 0 is a readable/writable reserved bit. It is initialized to 0 by a reset.
Note: Do not set this bit to 1.
Event Counter Control Register (ECCR)
ECCR performs counter input clock and IRQAEC/IECPWM control.
Bits 7 and 6—AEC Clock Select H (ACKH1, ACKH0)
Bits 7 and 6 select the clock used by ECH.
Bit 7
ACKH1
0
1
Bit
Initial value
Read/Write
Bit 6
ACKH0
0
1
0
1
Description
AEC PWM halted, IRQAEC selected
AEC PWM operation enabled, IRQAEC deselected
ACKH1
R/W
7
0
Description
AEVH pin input
φ/2
φ/4
φ/8
ACKH0
R/W
6
0
ACKL1
R/W
5
0
ACKL0
R/W
4
0
Rev. 7.00 Mar 10, 2005 page 317 of 652
PWCK2
R/W
3
0
PWCK1
R/W
2
0
PWCK0
R/W
REJ09B0042-0700
Section 9 Timers
1
0
(initial value)
(initial value)
R/W

0
0