h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 305
h8s-2649
Manufacturer Part Number
h8s-2649
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2649.pdf
(766 pages)
- Current page: 305 of 766
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10.3.9
TSYR is an 8-bit readable/writable register that selects independent operation or synchronous
operation for the channel 0 to 5 TCNT counters. A channel performs synchronous operation when
the corresponding bit in TSYR is set to 1.
Bit
7, 6
5
4
3
2
1
0
Bit Name
SYNC5
SYNC4
SYNC3
SYNC2
SYNC1
SYNC0
Timer Synchro Register (TSYR)
Initial
value
All 0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reserved
Description
The write value should always be 0.
Timer Synchro 0 to 5
These bits are used to select whether operation is
independent of or synchronized with other channels.
When synchronous operation is selected, the TCNT
synchronous presetting of multiple channels, and
synchronous clearing by counter clearing on another
channel, are possible.
To set synchronous operation, the SYNC bits for at
least two channels must be set to 1. To set
synchronous clearing, in addition to the SYNC bit , the
TCNT clearing source must also be set by means of
bits CCLR0 to CCLR2 in TCR.
0: TCNT_0 to TCNT_5 operates independently (TCNT
1: TCNT_0 to TCNT_5 performs synchronous operation
TCNT synchronous presetting/synchronous clearing is
possible
presetting /clearing is unrelated to other channels)
Rev. 2.00 Dec. 05, 2005 Page 267 of 724
Section 10 16-Bit Timer Pulse Unit (TPU)
REJ09B0200-0200
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