HD64F36912GFH Renesas Electronics America, HD64F36912GFH Datasheet - Page 206
HD64F36912GFH
Manufacturer Part Number
HD64F36912GFH
Description
IC H8 MCU FLASH 8K 32-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.DF36912GFHV.pdf
(442 pages)
Specifications of HD64F36912GFH
Core Processor
H8/300H
Core Size
16-Bit
Speed
12MHz
Connectivity
I²C, SCI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
18
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
HD64F36912GFH
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 12 Timer W
Figure 12.8 shows an example of buffer operation when the GRA is set as an input-capture
register and GRC is set as the buffer register for GRA. TCNT operates as a free-running counter,
and FTIOA captures both rising and falling edge of the input signal. Due to the buffer operation,
the GRA value is transferred to GRC by input-capture A and the TCNT value is stored in GRA.
12.4.2
In PWM mode, PWM waveforms are generated by using GRA as the period register and GRB,
GRC, and GRD as duty registers. PWM waveforms are output from the FTIOB, FTIOC, and
FTIOD pins. Up to three-phase PWM waveforms can be output. In PWM mode, a general register
functions as an output compare register automatically. The output level of each pin depends on the
corresponding timer output level set bit (TOB, TOC, and TOD) in TCRW. When TOB is 1, the
FTIOB output goes to 1 at compare match A and to 0 at compare match B. When TOB is 0, the
FTIOB output goes to 0 at compare match A and to 1 at compare match B. Thus the compare
match output level settings in TIOR0 and TIOR1 are ignored for the output pin set to PWM mode.
If the same value is set in the cycle register and the duty register, the output does not change when
a compare match occurs.
Figure 12.9 shows an example of operation in PWM mode. The output signals go to 1 and TCNT
is cleared at compare match A, and the output signals go to 0 at compare match B, C, and D
(TOB, TOC, and TOD = 1: initial output values are set to 1).
Rev. 3.00 Sep. 14, 2006 Page 176 of 408
REJ09B0105-0300
PWM Operation
H'FFFF
H'DA91
H'5480
H'0245
H'0000
FTIOA
GRA
GRC
Figure 12.8 Buffer Operation Example (Input Capture)
TCNT value
H'0245
H'5480
H'0245
H'DA91
H'5480
Time
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