R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 465
R5F21324CNSP#U0
Manufacturer Part Number
R5F21324CNSP#U0
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Cr
Datasheet
1.R5F21321CDSPU0.pdf
(605 pages)
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
-
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R8C/32C Group
REJ09B0573-0100 Rev.1.00 Dec. 18, 2009
Page 436 of 573
Figure 26.6
Notes:
Timer RA
Hardware LIN
Hardware LIN
Hardware LIN
Hardware LIN
Hardware LIN
Timer RA
Timer RA
UART0
INT1
Timer RA
Timer RA
1. When the previous communication completes normally and header field reception is
2. Although the timer-associated registers (TRAMR and TRAIOC) are set before the
performed again with the same settings, the above settings can be omitted.
TRASR register is set, there is no problem with this flow for the hardware LIN.
TRAIO pin assigned to P1_5
Bits TRAIOSEL1 to TRAIOSEL0 in TRASR register ← 10b
RXD0 pin assigned to P1_5
RXD0SEL0 bit in U0SR register ← 1
INT1 pin assigned to P1_5
Bits INT1SEL2 to INT1SEL0 in INTSR register ← 001b
Set the pulse width measurement level to low
TEDGSEL bit in TRAIOC register ← 0
Set the count source (f1, f2, f8, fOCO)
Bits TCK0 to TCK2 in TRAMR register
Set the Synch Break width
TRAPRE register
TRA register
Set to pulse width measurement mode
Bits TMOD2 to TMOD0 in TRAMR register ← 011b
Header Field Reception Flowchart Example (1)
Set the RXD0 input unmasking timing
(After Synch Break detection, or after Synch Field
measurement)
SBE bit in LINCR register
Set interrupts to enable
Bits BCIE, SBIE, SFIE in LINCR register
Set the LIN operation to stop
LINE bit in LINCR register ← 0
Set to slave mode
MST bit in LINCR register ← 0
Set the LIN operation to start
LINE bit in LINCR register ← 1
(Bus collision detection, Synch Break detection, Synch
Field measurement)
A
(1, 2)
(1, 2)
(1, 2)
(1)
(1)
(1)
(1)
(1)
(1)
Set the TIOSEL bit in the
TRAIOC register to 1 to select the
hardware LIN function.
If the wake-up function is not
necessary, the setting of the INT1
pin can be omitted.
Set the count source and registers
TRA and TRAPRE as appropriate
for the Synch Break period.
Select the timing at which to
unmask the RXD0 input for UART0.
If the RXD0 input is chosen to be
unmasked after Synch Break
detection, the Synch Field signal is
also input to UART0.
26. Hardware LIN
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