h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 341
h8s-2646
Manufacturer Part Number
h8s-2646
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2646.pdf
(1165 pages)
- Current page: 341 of 1165
- Download datasheet (6Mb)
10.2.2
The TMDR registers are 8-bit readable/writable registers that are used to set the operating mode
for each channel. The TPU has six TMDR registers, one for each channel. The TMDR registers
are initialized to H'C0 by a reset, and in hardware standby mode.
TMDR register settings should be made only when TCNT operation is stopped.
Bits 7 and 6—Reserved: It is always read as 1 and cannot be modified.
Bit 5—Buffer Operation B (BFB): Specifies whether TGRB is to operate in the normal way, or
TGRB and TGRD are to be used together for buffer operation. When TGRD is used as a buffer
register, TGRD input capture/output compare is not generated.
In channels 1, 2, 4, and 5, which have no TGRD, bit 5 is reserved. It is always read as 0 and
cannot be modified.
Bit 5
BFB
0
1
Channel 0: TMDR0
Channel 3: TMDR3
Bit
Initial value :
R/W
Channel 1: TMDR1
Channel 2: TMDR2
Channel 4: TMDR4
Channel 5: TMDR5
Bit
Initial value :
R/W
Timer Mode Register (TMDR)
Description
TGRB operates normally
TGRB and TGRD used together for buffer operation
:
:
:
:
—
—
—
—
7
1
7
1
—
—
—
—
6
1
6
1
BFB
R/W
—
—
5
0
5
0
BFA
R/W
—
—
4
0
4
0
Rev. 5.00 Sep 22, 2005 page 315 of 1136
Section 10 16-Bit Timer Pulse Unit (TPU)
MD3
MD3
R/W
R/W
3
0
3
0
MD2
MD2
R/W
R/W
2
0
2
0
REJ09B0257-0500
MD1
MD1
R/W
R/W
1
0
1
0
(Initial value)
MD0
MD0
R/W
R/W
0
0
0
0
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