R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 78
![IC R8C/23 MCU FLASH 48-LQFP](/photos/12/38/123822/r5f21238dfp_u0_sml.jpg)
R5F21238DFP#U0
Manufacturer Part Number
R5F21238DFP#U0
Description
IC R8C/23 MCU FLASH 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/23r
Specifications of R5F21238DFP#U0
Core Size
16/32-Bit
Program Memory Size
64KB (64K x 8)
Peripherals
POR, Voltage Detect, WDT
Core Processor
R8C
Speed
20MHz
Connectivity
CAN, I²C, LIN, SIO, SSU, UART/USART
Number Of I /o
41
Program Memory Type
FLASH
Ram Size
3K 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
No. Of I/o's
41
Ram Memory Size
3KB
Cpu Speed
20MHz
No. Of Timers
4
Digital Ic Case Style
LQFP
Embedded Interface Type
CAN, I2C, UART
Rohs Compliant
Yes
Cpu Family
R8C
Device Core Size
16b
Frequency (max)
20MHz
Interface Type
I2C/UART
Total Internal Ram Size
3KB
# I/os (max)
41
Number Of Timers - General Purpose
5
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
3V
On-chip Adc
12-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
48
Package Type
LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0K521237S000BE - KIT DEV RSK R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Eeprom Size
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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- Download datasheet (6Mb)
R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 7.11
Figure 7.12
Pull-Up Control Register 0
Pull-Up Control Register 1
Port Mode Register
b7 b6 b5 b4
NOTE:
b7 b6 b5 b4
NOTE:
b7 b6 b5 b4
1. When this bit is set to 1 (pulled up), the pin w hose direct bit is set to 0 (input mode) is pulled up.
1.
0 0
When this bit is set to 1 (pulled up) and the pin w hose direct bit is set to 0 (input mode), the pin is pulled up.
b3 b2 b1 b0
b3 b2
b3 b2
0
0
0
0
Registers PUR0 and PUR1
PMR Register
b1
b1
0
b0
b0
0
Bit Symbol
Bit Symbol
Bit Symbol
U1PINSEL
(b3-b2)
(b7-b6)
(b3-b0)
(b6-b5)
Symbol
Symbol
Symbol
IICSEL
PUR0
PU00
PU01
PU02
PU03
PU04
PU05
PU06
PU07
PUR1
PU10
PU11
PU14
PU15
Page 56 of 501
PMR
—
—
—
—
P0_0 to P0_3 pull-up
P0_4 to P0_7 pull-up
P1_0 to P1_3 pull-up
P1_4 to P1_7 pull-up
P2_0 to P2_3 pull-up
P2_4 to P2_7 pull-up
P3_0, P3_1, and P3_3 pull-up
P3_4 to P3_5, and P3_7 pull-up
P4_3 pull-up
P4_4 and P4_5 pull-up
Reserved bits
P6_0 to P6_3 pull-up
P6_4 to P6_7 pull-up
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
Reserved bits
Port TXD1/RXD1 sw itch bit
Reserved bits
SSU/I
2
C bus sw itch bit
(1)
Address
Bit Name
Address
Bit Name
Address
Bit Name
00F8h
00FCh
00FDh
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Set to 0
0 : I/O port P6_6, P6_7
1 : TXD1, RXD1
Set to 0
0 : SSU function selects
1 : I
0 : Not pulled up
1 : Pulled up
0 : Not pulled up
1 : Pulled up
0 : Not pulled up
1 : Pulled up
0 : Not pulled up
1 : Pulled up
0 : Not pulled up
1 : Pulled up
0 : Not pulled up
1 : Pulled up
Set to 0
0 : Not pulled up
1 : Pulled up
2
C bus function selects
XX00XX00b
After Reset
After Reset
After Reset
Function
Function
Function
00h
00h
7. Programmable I/O Ports
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
—
—
—
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