R5F21244SNFP#U0 Renesas Electronics America, R5F21244SNFP#U0 Datasheet - Page 7

• Manufacturer Part Number: R5F21244SNFP#U0
• Description: IC R8C MCU FLASH 16K 52LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/24r

Specifications of R5F21244SNFP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• 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: -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: -

Chapter 1
1.1 Features of R8C/Tiny Series ...................................................................................................... 2
1.2 Address Space ........................................................................................................................... 3
1.3 Register Configuration ................................................................................................................ 4
1.4 Flag Register (FLG) .................................................................................................................... 6
1.5 Register Banks ........................................................................................................................... 8
1.6 Internal State after Reset is Cleared ........................................................................................... 9
1.7 Data Types ............................................................................................................................... 10
1.1.1 Features of R8C/Tiny Series .............................................................................................. 2
1.1.2 Speed Performance ............................................................................................................ 2
1.3.1 Data registers (R0, R0H, R0L, R1, R1H, R1L, R2, and R3) ............................................... 4
1.3.2 Address Registers (A0 and A1) .......................................................................................... 5
1.3.3 Frame Base Register (FB) .................................................................................................. 5
1.3.4 Program Counter (PC) ........................................................................................................ 5
1.3.5 Interrupt Table Register (INTB) .......................................................................................... 5
1.3.6 User Stack Pointer (USP) and Interrupt Stack Pointer (ISP) .............................................. 5
1.3.7 Static Base Register (SB) ................................................................................................... 5
1.3.8 Flag Register (FLG) ............................................................................................................ 5
1.4.1 Bit 0: Carry Flag (C Flag) .................................................................................................... 6
1.4.2 Bit 1: Debug Flag (D Flag) .................................................................................................. 6
1.4.3 Bit 2: Zero Flag (Z Flag) ...................................................................................................... 6
1.4.4 Bit 3: Sign Flag (S Flag) ...................................................................................................... 6
1.4.5 Bit 4: Register Bank Select Flag (B Flag) ........................................................................... 6
1.4.6 Bit 5: Overflow Flag (O Flag) .............................................................................................. 6
1.4.7 Bit 6: Interrupt Rnable Flag (I Flag) .................................................................................... 6
1.4.8 Bit 7: Stack Pointer Select Flag (U Flag) ............................................................................ 6
1.4.9 Bits 8 to 11: Reserved ........................................................................................................ 6
1.4.10 Bits 12 to 14: Processor Interrupt Priority Level (IPL) ....................................................... 7
1.4.11 Bit 15: Reserved ............................................................................................................... 7
1.7.1 Integer ............................................................................................................................... 10
1.7.2 Decimal ............................................................................................................................. 11
1.7.3 Bits .................................................................................................................................... 12
1.7.4 String ................................................................................................................................ 15
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