R5F21237DFP#U0 Renesas Electronics America, R5F21237DFP#U0 Datasheet - Page 87
![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 7.37
X: 0 or 1
NOTE:
Table 7.38
X: 0 or 1
Table 7.39
X: 0 or 1
Table 7.40
X: 0 or 1
NOTE:
Table 7.41
X: 0 or 1
NOTE:
Register
Register
Register
Register
Register
Setting
Setting
Setting
Setting
Setting
value
value
value
value
value
1. Pulled up by setting the PU11 bit in the PUR0 register to 1.
1. Pulled up by setting the PU14 bit in the PUR0 register to 1.
1. Pulled up by setting the PU14 bit in the PUR0 register to 1.
Bit
Bit
Bit
Bit
Bit
CM13
CM13
Port P4_5/INT0
Port P4_6/XIN
Port P4_7/XOUT
Port P6_0/TREO
Port P6_1/CTX0
PD4_5
PD6_0
PD6_1
0
1
1
1
1
0
1
1
1
1
PD4
PD6
PD6
X
X
0
1
0
0
1
0
1
CM1
CM1
Page 65 of 501
CM10
CM10
X
X
0
0
1
1
0
0
1
1
TRECR1
C0CTLR
INT0EN
TOENA
INTEN
PortEn
X
X
1
0
0
1
0
0
1
CM05
CM05
CM0
CM0
X
X
0
1
0
1
0
1
0
1
Input port
Output port
INT0 input
Input port
Output port
TREO output
Input port
Output port
CTX0 output
(1)
Oscillation
Oscillation
(1)
(1)
buffer
buffer
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
Circuit specifications
Circuit specifications
ON
ON
Feedback
Feedback
resistor
resistor
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
Function
Function
Function
Input port
XIN-XOUT oscillation
External XIN input
XIN-XOUT oscillation stop
XIN-XOUT oscillation stop
Input port
XIN-XOUT oscillation
XOUT is “H” pull-up
XIN-XOUT oscillation stop
XIN-XOUT oscillation stop
7. Programmable I/O Ports
Function
Function
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