R5F21274SNFP#U0 Renesas Electronics America, R5F21274SNFP#U0 Datasheet - Page 10
R5F21274SNFP#U0
Manufacturer Part Number
R5F21274SNFP#U0
Description
IC R8C/27 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/27r
Datasheet
1.R5F21272SDFPU0.pdf
(487 pages)
Specifications of R5F21274SNFP#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
-20°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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21274SNFP#U0R5F21274SNFP#V2
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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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
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