R5F21294SNSP#U0 Renesas Electronics America, R5F21294SNSP#U0 Datasheet - Page 11

• Manufacturer Part Number: R5F21294SNSP#U0
• Description: MCU 3/5V 16K+2K 20PIN-SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/29r

Specifications of R5F21294SNSP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• 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 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• 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 .............................................................................................................. 32
Programmable I/O Ports ............................................................................................................... 50
Processor Mode ............................................................................................................................ 70
Bus ................................................................................................................................................ 71
Clock Generation Circuit ............................................................................................................... 72
VCC Input Voltage .................................................................................................................................. 43
Voltage Monitor 0 Reset (For N, D Version only) .................................................................................. 44
Voltage Monitor 1 Interrupt and Voltage Monitor 1 Reset (N, D Version) ............................................ 45
Voltage Monitor 1 Reset (J, K Version) .................................................................................................. 47
Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset ..................................................................... 48
Functions of Programmable I/O Ports ..................................................................................................... 50
Effect on Peripheral Functions ................................................................................................................ 51
Pins Other than Programmable I/O Ports ................................................................................................ 51
Port Settings ............................................................................................................................................ 61
Unassigned Pin Handling ........................................................................................................................ 69
Processor Modes ...................................................................................................................................... 70
XIN Clock ............................................................................................................................................... 82
On-Chip Oscillator Clocks ...................................................................................................................... 83
XCIN Clock (For N, D Version Only) .................................................................................................... 84
CPU Clock and Peripheral Function Clock ............................................................................................. 85
Power Control .......................................................................................................................................... 87
Oscillation Stop Detection Function ....................................................................................................... 97
Notes on Clock Generation Circuit ....................................................................................................... 101
Monitoring Vdet0 ............................................................................................................................... 43
Monitoring Vdet1 ............................................................................................................................... 43
Monitoring Vdet2 ............................................................................................................................... 43
Low-Speed On-Chip Oscillator Clock ................................................................................................ 83
High-Speed On-Chip Oscillator Clock ............................................................................................... 83
System Clock ...................................................................................................................................... 85
CPU Clock .......................................................................................................................................... 85
Peripheral Function Clock (f1, f2, f4, f8, and f32) ............................................................................. 85
fOCO ................................................................................................................................................... 85
fOCO40M ........................................................................................................................................... 85
fOCO-F ............................................................................................................................................... 85
fOCO-S ............................................................................................................................................... 85
fC4 and fC32 ....................................................................................................................................... 86
fOCO128 ............................................................................................................................................. 86
Standard Operating Mode ................................................................................................................... 87
Wait Mode .......................................................................................................................................... 89
Stop Mode ........................................................................................................................................... 93
How to Use Oscillation Stop Detection Function ............................................................................... 97
Stop Mode ......................................................................................................................................... 101
Wait Mode ........................................................................................................................................ 101
Oscillation Stop Detection Function ................................................................................................. 101
Oscillation Circuit Constants ............................................................................................................ 101
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