R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 522

• Manufacturer Part Number: R5F21257SNFP#U0
• Description: IC R8C/25 MCU FLASH 52LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/25r

Specifications of R5F21257SNFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: 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): 2.2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 52-LQFP
• For Use With: R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Rev.
3.00
REVISION HISTORY
Feb 29, 2008
Date
27, 128,
61, 62
Page
401
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Table 4.1; “002Ch” added, “003Bh” “003Ch” “003Dh” deleted
12.1.3.1 revised
12.2.1 revised
Figure 5.3 revised
Figure 5.4, Figure 13.2, Figure 19.4; “OFS Register” revised
5.1.1, 5.1.2; “Wait for 1/fOCO-S × 20.” → “Wait for 10 µ s or more.”
Figure 5.5, Figure 5.6 revised
5.2, Figure 5.7 revised
Figure 6.5 NOTE6 revised
Table 7.17, Table 7.19 revised
Table 7.29, Table 7.30 revised
Table 7.48 revised
10. “(with oscillation stop detection function)” deleted
Figure 10.1 revised
Figure 10.2 NOTE4 revised
Figure 10.5 NOTE2 revised
Figure 10.6 “FRA7 Register” added
Figure 10.8 NOTE6 revised
Figure 10.9 added
10.2.2 revised
10.5.1.2, 10.5.1.4 revised
Table 10.3 revised
10.5.2.5, Figure 10.13 revised
Figure 10.14 revised
10.6.1 revised
10.7.1, 10.7.2 revised
Table 12.2 “Reference” revised
Table 12.6 revised, NOTE2 added
12.6.4 deleted
Figure 12.20 NOTE2 revised
Table 14.1 “• fC32” deleted
Figure 14.1 “TSTART” → “TCSTF”
Figure 14.5 “... to 0 (During count).” → “... to 1 (During count).”
14.1.6 revised, “• When the TRAPRE ...” “• When the TRA ...” added
14.2 “The reload register ...” deleted
Figure 14.12 revised
Table 14.15 revised
Figure 14.17 “... to 0 (During count).” → “... to 1 (During count).”
R8C/24 Group, R8C/25 Group Hardware Manual
C - 18
Description
Summary