R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 614
R5F21346CNFP#U0
Manufacturer Part Number
R5F21346CNFP#U0
Description
MCU 1KB FLASH 32K ROM 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/34Cr
Datasheet
1.R5F21346CNFPU0.pdf
(759 pages)
Specifications of R5F21346CNFP#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
43
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 581 of 723
Figure 27.10
27.4.4
Timer RA
Timer RA
UART0
Hardware LIN Clear the status flags
Hardware LIN Set the LIN operation to stop
Figure 27.10 shows an Example of Hardware LIN Communication Completion Flowchart.
Use the following timing for hardware LIN end processing:
•
•
If the hardware bus collision detection function is used
Perform hardware LIN end processing after checksum transmission completes.
If the bus collision detection function is not used
Perform hardware LIN end processing after header field transmission and reception complete.
Hardware LIN End Processing
Transmission completes via UART0
Set the timer to stop counting
TSTART bit in TRACR register ← 0
Read the count status flag
TCSTF flag in TRACR register
Example of Hardware LIN Communication Completion Flowchart
(Bus collision detection, Synch Break detection, Synch
Field measurement)
Bits B2CLR, B1CLR, B0CLR in LINST register ← 1
LINE bit in LINCR register ← 0
TCSTF = 0?
YES
NO
Set the timer to stop counting.
Zero or one cycle of the timer RA
count source is required after
timer RA stops counting before
the TCSTF flag is set to 1.
If the bus collision detection
function is not used, UART0
transmission completion
processing is not required.
After clearing the hardware LIN
status flag, stop the hardware
LIN operation.
27. Hardware LIN
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