DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 334

• Manufacturer Part Number: DF71251AD50FPV
• Description: MCU RISC FLASH 32K 8K 64LQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH Tinyr

Specifications of DF71251AD50FPV

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 37
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

9.4.10
The pulse widths of up to three external input lines can be measured in channel 5.
Example of External Pulse Width Measurement Setting Procedure:
Example of External Pulse Width Measurement:
TCNT5_U
Rev. 5.00 Mar. 06, 2009 Page 314 of 770
REJ09B0243-0500
TIC5U
MPφ
Figure 9.77 Example of External Pulse Width Measurement Setting Procedure
External Pulse Width Measurement
<External pulse width measurement>
Select pulse width measuring
Start count operation
External pulse width
Select counter clock
Figure 9.78 Example of External Pulse Width Measurement
measurement
conditions
0000 0001 0002 0003 0004 0005 0006 0007
(Measuring High Pulse Width)
[1]
[2]
[3]
[1] Use bits TPSC1 and TPSC0 in TCR to select the
[2] In TIOR, select the high level or low level for the pulse
[3] Set bits CST in TSTR to 1 to start count operation.
Notes: 1. Do not set bits CMPCLR5U, CMPCLR5V, or
counter clock.
width measuring condition.
2. Do not set bits TGIE5U, TGIE5V, or TGIE5W in
3. The value in TCNT is not captured in TGR.
CMPCLR5W in TCNTCMPCLR to 1.
TIER_5 to 1.
0007
0008 0009
000A 000B