HD64F3687FP Renesas Electronics America, HD64F3687FP Datasheet - Page 244
HD64F3687FP
Manufacturer Part Number
HD64F3687FP
Description
IC H8 MCU FLASH 56K 64-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.HD64F3684GFPV.pdf
(538 pages)
Specifications of HD64F3687FP
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
PWM, WDT
Number Of I /o
45
Program Memory Size
56KB (56K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Section 13 Timer Z
13.4.4
In synchronous operation, the values in a number of TCNT counters can be rewritten
simultaneously (synchronous presetting). Also, a number of TCNT counters can be cleared
simultaneously by making the appropriate setting in TCR (synchronous clearing). Synchronous
operation enables GR to be increased with respect to a single time base.
Figure 13.19 shows an example of the synchronous operation setting procedure.
Rev.5.00 Nov. 02, 2005 Page 210 of 500
REJ09B0027-0500
<Synchronous presetting>
[1] Set the SYNC bits in TMDR to 1.
[2] When a value is written to either of the TCNT counters, the same value is simultaneously written to the
[3] Set bits CCLR1 and CCLR0 in TCR to specify counter clearing by compare match/input capture.
[4] Set bits CCLR1 and CCLR0 in TCR to designate synchronous clearing for the counter clearing source.
[5] Set the STR bit in TSTR to 1 to start the count operation.
Synchronous presetting
Synchronous operation
Set synchronous
other TCNT counter.
Set TCNT
operation
selection
Synchronous Operation
Figure 13.19 Example of Synchronous Operation Setting Procedure
[1]
[2]
Start counter operation
Synchronous clearing
<Counter clearing>
source generation
clearing source
Select counter
channel?
Clearing
Yes
No
[3]
[5]
<Synchronous clearing>
Start counter operation
clearing source
Select counter
[4]
[5]
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