R5F21237DFP#U0 Renesas Electronics America, R5F21237DFP#U0 Datasheet - Page 229
![IC R8C/23 MCU FLASH 48-LQFP](/photos/12/18/121887/r5f21237dfp_u0_sml.jpg)
R5F21237DFP#U0
Manufacturer Part Number
R5F21237DFP#U0
Description
IC R8C/23 MCU FLASH 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/23r
Specifications of R5F21237DFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
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 ~ 85°C
Package / Case
48-LQFP
For Use With
RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0K521237S000BE - KIT DEV RSK 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
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R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 14.60
TRDSTR register
TRDSRi register
TRDSRi register
TRDSRi register
TRDIOCi output
TRDIOBi output
TRDIOAi output
TSTARTi bit in
The above applies to the following conditions:
The CSELi bit in the TRDSTR register is set to 1. (The TRDi register is not stopped by the compare match.)
The BFCi and BFDi bits in the TRDMR register are set to 0. (The TRDGRCi and TRDGRDi registers are not used as the buffer register.)
The EAi, EBi and ECi bits in the TRDOER1 register are set to 0. (Enable the TRDIOAi, TRDIOBi and TRDIOCi pin outputs.)
The CCLR2 to CCLR0 bits in the TRDCRi register are set to 001b. (Set the TRDi register to 000h by the compare match in the TRDGRAi register.)
The TOAi and TOBi bits in the TRDOCR register is set to 0. (initial output “L” to the compare match), the TOCi bit is set to 1. (initial output “H” to the compare match.)
The IOA2 to IOA0 bits in the TRDIORAi register are set to 011b. (TRDIOAi output inversed at the TRDGRAi register compare match.)
The IOB2 to IOB0 bits in the TRDIORAi register are set to 010b. (TRDIOBi “H” output at the TRDGRBi register compare match.)
The IOC3 to IOC0 bits in the TRDIORCi register are set to 1001b. (TRDIOCi “L” output at the TRDGRCi register compare match.)
The IOD3 bit in the TRDIORCi register is set to 1. (TRDGRDi register does not control TRDIOBi pin output.)
i = 0 or 1
IMFA bit in
IMFB bit in
IMFC bit in
Count source
Value in TRDi register
1
0
1
0
1
0
1
0
m
m
n
n
p
p
Operating Example of Output Compare Function
Initial output “H”
Page 207 of 501
Initial output “L”
P + 1
Initial output “L”
n + 1
n + 1
m + 1
“L” output by compare match
m: Setting value in TRDGRAi register
n: Setting value in TRDGRBi register
p: Setting value in TRDGRCi register
Set to “0” by a program
“H” output by compare match
Set to 0 by a program
Output inversed by compare match
Set to 0 by a program
m + 1
Count
stop
Output level
Output level
Output level
held
held
held
restarts
Count
14. Timers
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