R5F21274SDFP#U0 Renesas Electronics America, R5F21274SDFP#U0 Datasheet - Page 11

• Manufacturer Part Number: R5F21274SDFP#U0
• Description: IC R8C/27 MCU FLASH 32LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/27r

Specifications of R5F21274SDFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 25
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• For Use With: R0K521276S000BE - KIT DEV RSK-R8C/26-29R0E521000EPB00 - PROBE EMULATOR FOR PC7501
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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
A - 2