R5F21217JFP#U1 Renesas Electronics America, R5F21217JFP#U1 Datasheet - Page 150

• Manufacturer Part Number: R5F21217JFP#U1
• Description: MCU FLASH 48K 2.5K CMOS 48LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/21r

Specifications of R5F21217JFP#U1

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
Figure 14.10
Measurement pulse
The above applies under the following conditions.
• “H” level width of measured pulse is measured. (TEDGSEL = 1)
• TRAPRE = FFh
(TRAIO pin input)
TRACR register
TRACR register
TRACR register
IR bit in TRAIC
TSTART bit in
TEDGF bit in
TUNDF bit in
register
FFFFh
0000h
Operating Example of Pulse Width Measurement Mode
n
1
0
1
0
1
0
1
0
1
0
n = high-level: the contents of TRA register, low-level: the contents of TRAPRE register
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Set to 1 by program
Count start
Set to 0 when interrupt request is acknowledged, or set by program
Count stop
Count start
Set to 0 by program
Underflow
Set to 0 by program
Count stop
Count start
Period
14. Timers