R5F21256SNFP#U0 Renesas Electronics America, R5F21256SNFP#U0 Datasheet - Page 23

• Manufacturer Part Number: R5F21256SNFP#U0
• Description: IC R8C MCU FLASH 32K 52LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/25r

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: -

Rev.2.00 Oct 17, 2005
REJ09B0001-0200
1.2 Address Space
Chapter 1 Overview
Figure 1.2.1 shows the address space.
Addresses 00000
the R8C/Tiny Series, the SFR area extends from 002FF
Addresses from 00400
RAM area extends from address 00400
lower addresses. Addresses 0FFDC
Figure 1.2.1 Address Space
00000
002FF
00400
0FFDC
0FFFF
FFFFF
16
through 002FF
page 3 of 263
16
16
16
16
16
16
16
and below make up the memory area. In some models in the R8C/Tiny Series, the
Internal ROM area
Internal RAM area
Fixed vector area
16
Extention area
16
make up an SFR (special function register) area. In some models in
SFR area
16
through 0FFFF
to higher addresses, and the ROM area extends from 0FFFF
16
16
make up a fixed vector area.
to lower addresses.
The ROM area of some
models extends to
lower-address locations.
The SFR area of some
models extends to
lower-address locations.
The RAM area of some
models extends to
higher-address loca-
tions.
1.2 Address Space
16
to