R5F21276SNFP#U0 Renesas Electronics America, R5F21276SNFP#U0 Datasheet - Page 11

• Manufacturer Part Number: R5F21276SNFP#U0
• Description: IC R8C/27 MCU FLASH 32LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/27r

Specifications of R5F21276SNFP#U0

• Core Size: 16/32-Bit
• Program Memory Size: 32KB (32K x 8)
• Core Processor: R8C
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 25
• Program Memory Type: FLASH
• Ram Size: 1.5K 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: 32-LQFP
• No. Of I/o's: 25
• Ram Memory Size: 1.5KB
• Cpu Speed: 20MHz
• No. Of Timers: 4
• Digital Ic Case Style: LQFP
• Supply Voltage Range: 2.2V To 5.5V
• Embedded Interface Type: I2C, UART
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: R0K521276S000BE - KIT DEV RSK-R8C/26-29R0E521000EPB00 - PROBE EMULATOR FOR PC7501
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

6.
7.
8.
9.
10.
6.1
6.2
6.3
6.4
6.5
7.1
7.2
7.3
7.4
7.5
8.1
10.1
10.2
10.3
10.4
10.5
10.6
10.7
6.1.1
6.1.2
6.1.3
10.2.1
10.2.2
10.4.1
10.4.2
10.4.3
10.4.4
10.4.5
10.4.6
10.4.7
10.4.8
10.4.9
10.5.1
10.5.2
10.5.3
10.6.1
10.7.1
10.7.2
10.7.3
10.7.4
Voltage Detection Circuit .............................................................................................................. 34
Programmable I/O Ports ............................................................................................................... 52
Processor Mode ............................................................................................................................ 77
Bus ................................................................................................................................................ 78
Clock Generation Circuit ............................................................................................................... 79
VCC Input Voltage .................................................................................................................................. 45
Voltage Monitor 0 Reset (For N, D Version Only) ................................................................................. 46
Voltage Monitor 1 Interrupt and Voltage Monitor 1 Reset (N, D Version) ............................................ 47
Voltage Monitor 1 Reset (J, K Version) .................................................................................................. 49
Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset ..................................................................... 50
Functions of Programmable I/O Ports ..................................................................................................... 52
Effect on Peripheral Functions ................................................................................................................ 53
Pins Other than Programmable I/O Ports ................................................................................................ 53
Port Setting .............................................................................................................................................. 65
Unassigned Pin Handling ........................................................................................................................ 76
Processor Modes ...................................................................................................................................... 77
XIN Clock ............................................................................................................................................... 89
On-Chip Oscillator Clocks ...................................................................................................................... 90
XCIN Clock (For N, D Version Only) .................................................................................................... 91
CPU Clock and Peripheral Function Clock ............................................................................................. 92
Power Control .......................................................................................................................................... 94
Oscillation Stop Detection Function ..................................................................................................... 104
Notes on Clock Generation Circuit ....................................................................................................... 108
Monitoring Vdet0 ............................................................................................................................... 45
Monitoring Vdet1 ............................................................................................................................... 45
Monitoring Vdet2 ............................................................................................................................... 45
Low-Speed On-Chip Oscillator Clock ................................................................................................ 90
High-Speed On-Chip Oscillator Clock ............................................................................................... 90
System Clock ...................................................................................................................................... 92
CPU Clock .......................................................................................................................................... 92
Peripheral Function Clock (f1, f2, f4, f8, and f32) ............................................................................. 92
fOCO ................................................................................................................................................... 92
fOCO40M ........................................................................................................................................... 92
fOCO-F ............................................................................................................................................... 92
fOCO-S ............................................................................................................................................... 92
fC4 and fC32 ....................................................................................................................................... 93
fOCO128 ............................................................................................................................................. 93
Standard Operating Mode ................................................................................................................... 94
Wait Mode .......................................................................................................................................... 96
Stop Mode ......................................................................................................................................... 100
How to Use Oscillation Stop Detection Function ............................................................................. 104
Stop Mode ......................................................................................................................................... 108
Wait Mode ........................................................................................................................................ 108
Oscillation Stop Detection Function ................................................................................................. 108
Oscillation Circuit Constants ............................................................................................................ 108
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