h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 318
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: 318 of 766
- Download datasheet (5Mb)
Section 10 16-Bit Timer Pulse Unit (TPU)
10.4.4
In cascaded operation, two 16-bit counters for different channels are used together as a 32-bit
counter.
This function works by counting the channel 1 (channel 4) counter clock upon overflow/underflow
of TCNT_2 (TCNT_5) as set in bits TPSC0 to TPSC2 in TCR.
Underflow occurs only when the lower 16-bit TCNT is in phase-counting mode.
Table 10.29 shows the register combinations used in cascaded operation.
Note: When phase counting mode is set for channel 1 or 4, the counter clock setting is invalid
Table 10.29 Cascaded Combinations
Example of Cascaded Operation Setting Procedure: Figure 10.17 shows an example of the
setting procedure for cascaded operation.
Examples of Cascaded Operation: Figure 10.18 illustrates the operation when TCNT_2
overflow/underflow counting has been set for TCNT_1, when TGRA_1 and TGRA_2 have been
designated as input capture registers, and when TIOC pin rising edge has been selected.
Rev. 2.00 Dec. 05, 2005 Page 280 of 724
REJ09B0200-0200
Combination
Channels 1 and 2
Channels 4 and 5
and the counters operates independently in phase counting mode.
Cascaded Operation
<Cascaded operation>
Cascaded operation
Figure 10.17 Cascaded Operation Setting Procedure
Set cascading
Start count
Upper 16 Bits
TCNT_1
TCNT_4
[1]
[2]
[1]
[2]
Set bits TPSC2 to TPSC0 in the channel 1
(channel 4) TCR to B'1111 to select TCNT_2
(TCNT_5) overflow/underflow counting.
Set the CST bit in TSTR for the upper and lower
channel to 1 to start the count operation.
Lower 16 Bits
TCNT_2
TCNT_5
Related parts for h8s-2649
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas Technology Corp [Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series]
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
RENESAS MCU M16C FAMILY / M16C/Tiny SERIES
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas Starter Kit for RX210
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
EVALBOARD/Renesas StarterKit for RX630
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
EVALBOARD/Renesas Starter Kit+ for RX63N
Manufacturer:
Renesas Electronics Corporation.