R5F21254SDFP#U0 Renesas Electronics America, R5F21254SDFP#U0 Datasheet - Page 7
![IC R8C MCU FLASH 52LQFP](/photos/12/18/121820/r5f21254sdfp_u0_sml.jpg)
R5F21254SDFP#U0
Manufacturer Part Number
R5F21254SDFP#U0
Description
IC R8C MCU FLASH 52LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/25r
Datasheets
1.R5F211A2SPU0.pdf
(300 pages)
2.R5F21246SDFPU0.pdf
(61 pages)
3.R5F21246SDFPU0.pdf
(527 pages)
Specifications of R5F21254SDFP#U0
Core Processor
R8C
Core Size
16/32-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
-40°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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21254SDFP#U0R5F21254SDFP#V2
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 7 of 300
- Download datasheet (2Mb)
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
Overview ___________________________________________________
Table of Contents
A-1
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