R5F21237DFP#U0 Renesas Electronics America, R5F21237DFP#U0 Datasheet - Page 82
![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
Table 7.18
X: 0 or 1
NOTE:
Table 7.19
X: 0 or 1
NOTE:
Table 7.20
X: 0 or 1
NOTE:
Table 7.21
X: 0 or 1
NOTE:
Register
Register
Setting
Setting
Register
Register
value
value
Setting
Setting
Bit
1. Pulled up by setting the PU03 bit in the PUR0 register to 1.
1. Pulled up by setting the PU03 bit in the PUR0 register to 1.
1. Pulled up by setting the PU04 bit in the PUR0 register to 1.
Bit
1. Pulled up by setting the PU04 bit in the PUR0 register to 1.
value
value
Bit
Bit
PD2_0
PD2_1
PD2
PD2
X
X
X
X
X
X
X
0
1
0
0
0
1
0
PD1_7
PD1_6
PD1
PD1
X
0
1
0
0
Port P1_6/CLK0
Port P1_7/TRAIO/INT1
Port P2_0/TRDIOA0/TRDCLK
Port P2_1/TRDIOB0
0
1
0
X
TRDOER1
TRDOER1
EB0
EA0
1
1
X
0
0
0
0
0
TIOSEL
X
X
1
1
0
0
X
X
X
X
0
1
0
0
0
Page 60 of 501
SMD2
TRAIOC
CMD1 CMD0 PWM3
X
X
0
CMD1 CMD0
X
X
0
1
1
0
0
0
0
TOPCR
X
X
X
0
0
0
Other than 001b
Other than 001b
TRDFCR
X
X
X
X
X
X
1
1
0
X
X
0
0
1
1
0
0
0
SMD1
X
X
0
X
X
X
0
0
0
TRDFCR
TMOD2
U0MR
X
X
X
X
0
X
X
1
X
X
0
1
1
STCLK PWM3
Other than 001b
Other than 001b
Other than 001b
Other than 001b
X
X
0
1
0
0
SMD0
TRDPMR
TRAMR
TMOD1
PWMB0
X
X
1
X
X
X
X
0
X
X
X
X
X
0
1
0
X
X
1
1
0
1
TMOD0
IOB2 IOB1 IOB0
CKDIR
X
X
1
X
X
X
X
0
0
X
X
X
X
1
IOA2
X
1
X
1
0
TRDIORA0
X
X
X
1
0
0
0
X
X
X
X
X
X
X
0
1
TRDIORA0
INT1EN
INTEN
Input port
Output port
CLK0 (external clock) input
CLK0 (internal clock) output
IOA1
X
X
X
X
1
X
X
X
X
0
0
1
X
X
X
X
X
X
X
X
1
Input port
Output port
TRAIO input
TRAIO/INT1 input
TRAIO pulse output
Input port
Output port
Timer mode (input capture function)
Complementary PWM mode waveform output
Reset synchronous PWM mode waveform output
PWM3 mode waveform output
PWM mode waveform output
Timer mode waveform output (output compare
function)
IOA0
(1)
X
X
X
0
X
1
X
Input port
Output port
Timer mode (input capture function)
External clock input (TRDCLK)
PWM3 mode waveform output
Timer mode waveform output
(output compare function)
(1)
(1)
Function
7. Programmable I/O Ports
Function
(1)
Function
Function
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