R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 538

• 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

Rev.
1.00
REVISION HISTORY
Oct 27, 2006
Date
Page
124
127
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Figure 13.2 Registers OFS and WDC;
Table 13.3 Watchdog Timer Specifications (with Count Source Protection Mode
Enabled);
Figure 14.1 Block Diagram of Timer RA revised.
Figure 14.2 Registers TRACR and TRAIOC revised.
Figure 14.3 Registers TRAMR and TRAPRE
Figure 14.4 TRA Register;
Table 14.2 Timer Mode Specifications;
“Write to Timer” revised.
Figure 14.5 TRAIOC Register in Timer Mode;
Figure 14.6 Registers TRAIOC and TRAMR in Timer Mode deleted.
14.1.1.1 Timer Write Control during Count Operation and Figure 14.6 Operating
Example of Timer RA when Counter Value is Rewritten during Count Operation
added.
Table 14.3 Pulse Output Mode Specifications revised.
Figure 14.7 Register TRACR and TRAIOC in Pulse Output Mode →
Figure 14.7 TRAIOC Register in Pulse Output Mode replaced.
Timer RA Control Register deleted.
Figure 14.8 TRAMR Register in Pulse Output Mode deleted.
Table 14.4 Event Counter Mode Specifications revised.
Figure 14.9 Registers TRACR and TRAIOC in Event Counter Mode →
Figure 14.8 TRAIOC Register in Event Counter Mode replaced.
Timer RA Control Register deleted.
Figure 14.10 TRAMR Register in Event Counter Mode deleted.
14.1.4 Pulse Width Measurement Mode, on the 3rd line;
Table 14.5 Pulse Width Measurement Mode Specifications revised.
Figure 14.11 Registers TRACR and TRAIOC in Pulse Width Measurement Mode
→ Figure 14.9 TRAIOC Register in Pulse Width Measurement Mode replaced.
Timer RA Control Register (4) deleted.
Figure 14.12 TRAMR Register in Pulse Width Measurement Mode deleted.
Figure 14.10 Operating Example of Pulse Width Measurement Mode revised.
Table 14.6 Pulse Period Measurement Mode Specifications revised.
Figure 14.14 Registers TRACR and TRAIOC in Pulse Period Measurement
Mode → Figure 14.11 TRAIOC Register in Pulse Period Measurement Mode
replaced.
Timer RA Control Register (4) deleted.
Figure 14.15 TRAMR Register in Pulse Period Measurement Mode deleted.
Option Function Select Register
Watchdog Timer Control Register revised.
NOTE2; “CSPRO” → “CSPROINI” corrected.
Timer RA Mode Register
Timer RA Prescaler Register; NOTE1 revised.
NOTE1 revised.
NOTES deleted.
R8C/22 Group, R8C/23 Group Hardware Manual
C - 15
(1)
; NOTE added.
Description
(1)
Summary
; NOTE2 revised.