R5F21237DFP#U0 Renesas Electronics America, R5F21237DFP#U0 Datasheet - Page 544
![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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Rev.
1.00
1.10
REVISION HISTORY
Oct 27, 2006
Oct 31, 2007
Date
Page
457
460
461
464
469
471
485
488
490
491
13
14
15
30
2
3
5
6
7
Table 21.16 Electrical Characteristics (2) [Vcc = 5 V] → Table 21.15 Electrical
Characteristics (2) [Vcc = 5 V] revised.
Table 21.21 Electrical Characteristics (3) [VCC = 3 V → Table 21.20 Electrical
Characteristics (3) [VCC = 3 V] revised.
Table 21.22 Electrical Characteristics (4) [Vcc = 3 V] → Table 21.21 Electrical
Characteristics (4) [Vcc = 3 V] revised.
22.1.1 Stop Mode and Wait Mode → 22.1.1 Stop Mode revised.
22.1.2 Wait Mode added.
22.3.2 Notes on Timer RB;
TCSTF bit is set to 1 (during count).” deleted.
either 0 or 1.” added.
22.3.3.4 Count Source Switch;
22.8 Notes on A/D Converter;
22.9.1.7 Reset Flash Memory deleted.
23. Notes on On-Chip Debugger, (2);
R5F2123CKFP) addresses
R5F2123CKFP) addresses
24. Notes on Emulator Debugger added.
Table 1.1; D version added.
Table 1.2; D version added.
Table 1.3; D version added and development status updated.
Figure 1.2; D version added
Table 1.4; D version added and development status updated.
Figure 1.3; D version added
Figure 1.4; NOTE 3 added.
Figure 3.1; Part Number of D version added.
Figure 3.2; Part Number of D version added.
Table 4.1;
• 000Ah: “00XXX000b” → “00h”
• 000Fh: “00011111b” → “00X11111b”
Figure 5.3 and Figure 5.4 NOTE1 revised.
Wait mode revised.
RAM hold voltage, Min.; “1.8” → “2.0” corrected.
Wait mode revised.
“Timer RB starts counting at the first valid edge of the count source after The
On the 8th line from the bottom; “- If the TSTOP bit ~ stops immediately.” added.
On the 6th line from the bottom; “- If 1 is written to the TOSST or TOSSP bit ~
“count clock source” → “count source.” corrected.
On the 6th line from the bottom; “Do not select the fOCO-F for the φAD.” added.
ROM 128 KB Product (R5F2122CJFP, R5F2122CKFP, R5F2123CJFP,
(3); ROM 128 KB Product (R5F2122CJFP, R5F2122CKFP, R5F2123CJFP,
03B00h to 03BFFh added.
23800h to 23FFFh added.
R8C/22 Group, R8C/23 Group Hardware Manual
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Description
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