R5F21237KFP#U0 Renesas Electronics America, R5F21237KFP#U0 Datasheet - Page 164
R5F21237KFP#U0
Manufacturer Part Number
R5F21237KFP#U0
Description
IC R8C/23 MCU FLASH 48LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/23r
Datasheet
1.R5F21237DFPU0.pdf
(551 pages)
Specifications of R5F21237KFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
16MHz
Connectivity
CAN, 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 ~ 125°C
Package / Case
48-LQFP
For Use With
RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21237KFP#U0R5F21237KFP#U1
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
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
Page 142 of 501
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
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