R5F21272SDFP#U0 Renesas Electronics America, R5F21272SDFP#U0 Datasheet - Page 10

• Manufacturer Part Number: R5F21272SDFP#U0
• Description: IC R8C/27 MCU FLASH 32LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/27r

Specifications of R5F21272SDFP#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: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 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: -

SFR Page Reference ........................................................................................................................... B - 1
1.
2.
3.
4.
5.
1.1
1.2
1.3
1.4
1.5
1.6
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
3.1
3.2
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
2.8.1
2.8.2
2.8.3
2.8.4
2.8.5
2.8.6
2.8.7
2.8.8
2.8.9
2.8.10
5.1.1
5.1.2
Overview ......................................................................................................................................... 1
Central Processing Unit (CPU) ..................................................................................................... 12
Memory ......................................................................................................................................... 15
Special Function Registers (SFRs) ............................................................................................... 17
Resets ........................................................................................................................................... 24
Applications ............................................................................................................................................... 1
Performance Overview .............................................................................................................................. 2
Block Diagram .......................................................................................................................................... 4
Product Information .................................................................................................................................. 5
Pin Assignments ........................................................................................................................................ 9
Pin Functions ........................................................................................................................................... 10
Data Registers (R0, R1, R2, and R3) ...................................................................................................... 13
Address Registers (A0 and A1) ............................................................................................................... 13
Frame Base Register (FB) ....................................................................................................................... 13
Interrupt Table Register (INTB) .............................................................................................................. 13
Program Counter (PC) ............................................................................................................................. 13
User Stack Pointer (USP) and Interrupt Stack Pointer (ISP) .................................................................. 13
Static Base Register (SB) ........................................................................................................................ 13
Flag Register (FLG) ................................................................................................................................ 13
R8C/26 Group ......................................................................................................................................... 15
R8C/27 Group ......................................................................................................................................... 16
Hardware Reset ....................................................................................................................................... 28
Power-On Reset Function ....................................................................................................................... 30
Voltage Monitor 0 Reset (N, D Version) ................................................................................................ 32
Voltage Monitor 1 Reset (N, D Version) ................................................................................................ 32
Voltage Monitor 1 Reset (J, K Version) .................................................................................................. 32
Voltage Monitor 2 Reset ......................................................................................................................... 33
Watchdog Timer Reset ............................................................................................................................ 33
Software Reset ......................................................................................................................................... 33
Carry Flag (C) ..................................................................................................................................... 13
Debug Flag (D) ................................................................................................................................... 13
Zero Flag (Z) ....................................................................................................................................... 13
Sign Flag (S) ....................................................................................................................................... 13
Register Bank Select Flag (B) ............................................................................................................ 13
Overflow Flag (O) .............................................................................................................................. 13
Interrupt Enable Flag (I) ..................................................................................................................... 14
Stack Pointer Select Flag (U) .............................................................................................................. 14
Processor Interrupt Priority Level (IPL) ............................................................................................. 14
Reserved Bit ........................................................................................................................................ 14
When Power Supply is Stable ............................................................................................................. 28
Power On ............................................................................................................................................ 28
Table of Contents
A - 1