R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 230

• Manufacturer Part Number: R5F21324CNSP#U0
• Description: MCU 1KB FLASH 16K ROM 20-LSSOP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/32Cr

Specifications of R5F21324CNSP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, PWM, Voltage Detect, WDT
• Number Of I /o: 15
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-LSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/32C Group
REJ09B0573-0100 Rev.1.00 Dec. 18, 2009
Page 201 of 573
Figure 17.3
17.6.2
• “H” level width of measured pulse is measured. (TEDGSEL = 1)
• TRAPRE = FFh
The above applies under the following conditions.
(TRAIO pin input)
Measured pulse
TRACR register
TRACR register
TRACR register
IR bit in TRAIC
TSTART bit in
TEDGF bit in
TUNDF bit in
Operating Example
register
FFFFh
0000h
Operating Example of Pulse Width Measurement Mode
n
n = high level: the contents of TRA register, low level: the contents of TRAPRE register
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
17. Timer RA