R5F21256SNFP#U0 Renesas Electronics America, R5F21256SNFP#U0 Datasheet - Page 35
R5F21256SNFP#U0
Manufacturer Part Number
R5F21256SNFP#U0
Description
IC R8C MCU FLASH 32K 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 R5F21256SNFP#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
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K 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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21256SNFP#U0R5F21256SNFP#ES
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
3.
3.1
Figure 3.1
R5F21244SNFP, R5F21244SNXXXFP,
R5F21244SDFP, R5F21244SDXXXFP,
R5F21244SNLG, R5F21244SNXXXLG
R5F21245SNFP, R5F21245SNXXXFP,
R5F21245SDFP, R5F21245SDXXXFP
R5F21246SNFP, R5F21246SNXXXFP,
R5F21246SDFP, R5F21246SDXXXFP,
R5F21246SNLG, R5F21246SNXXXLG
R5F21247SNFP, R5F21247SNXXXFP,
R5F21247SDFP, R5F21247SDXXXFP
R5F21248SNFP, R5F21248SNXXXFP,
R5F21248SDFP, R5F21248SDXXXFP
Figure 3.1 is a Memory Map of R8C/24 Group. The R8C/24 group has 1 Mbyte of address space from addresses
00000h to FFFFFh.
The internal ROM is allocated lower addresses, beginning with address 0FFFFh. For example, a 48-Kbyte internal
ROM area is allocated addresses 04000h to 0FFFFh.
The fixed interrupt vector table is allocated addresses 0FFDCh to 0FFFFh. They store the starting address of each
interrupt routine.
The internal RAM is allocated higher addresses, beginning with address 00400h. For example, a 2-Kbyte internal
RAM area is allocated addresses 00400h to 00BFFh. The internal RAM is used not only for storing data but also
for calling subroutines and as stacks when interrupt requests are acknowledged.
Special function registers (SFRs) are allocated addresses 00000h to 002FFh. The peripheral function control
registers are allocated here. All addresses within the SFR, which have nothing allocated are reserved for future use
and cannot be accessed by users.
Memory
0YYYYh
0FFFFh
1ZZZZh
FFFFFh
002FFh
00000h
00400h
NOTE:
0XXXh
R8C/24 Group
Feb 29, 2008
1. The blank regions are reserved. Do not access locations in these regions.
Part Number
Memory Map of R8C/24 Group
Function Registers
(Refer to 4. Special
(program ROM)
(program ROM)
Internal ROM
Internal ROM
Internal RAM
(SFRs))
SFR
Page 16 of 485
16 Kbytes
24 Kbytes
32 Kbytes
48 Kbytes
64 Kbytes
Size
Address 0YYYYh
0FFDCh
0FFFFh
0C000h
0A000h
Internal ROM
08000h
04000h
04000h
Watchdog timer/oscillation stop detection/voltage monitor
Address 1ZZZZh
13FFFh
Undefined instruction
−
−
−
−
BRK instruction
Address match
Single step
(Reserved)
(Reserved)
Overflow
Reset
2.5 Kbytes
2 Kbytes
2 Kbytes
3 Kbytes
1 Kbyte
Size
Internal RAM
Address 0XXXXh
00DFFh
00BFFh
00BFFh
00FFFh
007FFh
3. Memory
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