h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 772

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 19 Motor Control PWM Timer
19.2.4
PWCNT is a 10-bit up-counter incremented by the input clock. The input clock is selected by
clock select bits 2 to 0 (CKS2 to CKS0) in PWCR.
PWCNT1 is used as the channel 1 time base, and PWCNT2 as the channel 2 time base.
PWCNT is initialized to H'FC00 when the counter start bit (CST) in PWCR is cleared to 0, and
also upon reset and in standby mode, watch mode * , subactive mode * , subsleep mode * , and
module stop mode.
Note: * Subclock functions (subactive mode, subsleep mode, and watch mode) are available in the
Rev. 6.00 Feb 22, 2005 page 712 of 1484
REJ09B0103-0600
Bit
Initial value
Read/Write
U-mask and W-mask versions, and H8S/2635 Group only.
These functions cannot be used with the other versions.
PWM Counters 1 and 2 (PWCNT1, PWCNT2)
15
—
—
1
14
—
—
1
13
—
—
1
12
—
—
1
11
—
—
1
10
—
—
1
—
9
0
—
8
0
—
7
0
—
6
0
—
5
0
—
4
0
—
3
0
—
2
0
—
1
0
—
0
0