HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 326
![MCU 5V 256K J-TEMP PB-FREE QFP-1](/photos/28/62/286212/168-bqfp_sml.jpg)
HD64F7051SFJ20V
Manufacturer Part Number
HD64F7051SFJ20V
Description
MCU 5V 256K J-TEMP PB-FREE QFP-1
Manufacturer
Renesas Electronics America
Series
SuperH® SH7050r
Datasheet
1.HD64F7050SFJ20V.pdf
(843 pages)
Specifications of HD64F7051SFJ20V
Core Processor
SH-2
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, WDT
Number Of I /o
102
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
10K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
168-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F7051SFJ20V
Manufacturer:
RENESAS
Quantity:
101
Part Number:
HD64F7051SFJ20V
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
- Current page: 326 of 843
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Section 10 Advanced Timer Unit (ATU)
10.3.16 PWM Output Operation at Start of Channel 6 to 9 Counter
In channels 6 to 9, the maximum TCNT input clock error occurs between the cycle register value
or duty register value and the actual output waveform in the waveform of the first cycle when the
free-running counter starts (there is no error in the waveform in the second and subsequent cycles).
This is because the counter start signal from the CPU cannot be determined in synchronization
with the TCNT input clock timing. To output a waveform with no error in the waveform of the
first cycle, the initial value of the duty register (DTR) should be set to H'0000 (in this case,
however, the interrupt status flag will be set when 1 is first output).
The timing in this case is shown in figure 10.28. In this example, H'0003 is set as the duty register
value, and H'0005 as the cycle register value.
Rev. 5.00 Jan 06, 2006 page 304 of 818
REJ09B0273-0500
Counter start signal
Interrupt status flag
TCNT input clock
PWM output
TCNT
Figure 10.28 Channel 6 to 9 PWM Output Waveform
Error with respect
to counter start
0001 0002 0003 0004 0005 0001 0002 0003 0004 0005 0001 0002 0003 0004
1st cycle
Duty
2nd cycle
Cycle
3rd cycle
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