R5F212H1SDSP#U0 Renesas Electronics America, R5F212H1SDSP#U0 Datasheet - Page 19

• Manufacturer Part Number: R5F212H1SDSP#U0
• Description: IC R8C/2H MCU FLASH 4K 20-SSOP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/2Hr

Specifications of R5F212H1SDSP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 8MHz
• Connectivity: LIN, SIO, UART/USART
• Peripherals: POR, PWM, Voltage Detect, WDT
• Number Of I /o: 15
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

R8C/2H Group, R8C/2J Group
Rev.1.00
REJ03B0217-0100
3.
Figure 3.1 is a Memory Map of R8C/2H Group and Figure 3.2 is a Memory Map of R8C/2J Group. The R8C/2H 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 4-Kbyte internal
ROM area is allocated addresses 0F000h 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 256-bytes internal
RAM area is allocated addresses 00400h to 004FFh. 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.
Figure 3.1
Memory
0YYYYh
FFFFFh
0FFFFh
002FFh
00000h
00400h
NOTE:
0XXXh
Mar 28, 2008
1. The blank regions are reserved. Do not access locations in these regions.
R5F212H1SNSP, R5F212H1SDSP
R5F212H2SNSP, R5F212H2SDSP
Memory Map of R8C/2H Group
Function Registers
(Refer to 4. Special
(program ROM)
Internal ROM
Internal RAM
Part Number
(SFRs))
SFR
Page 17 of 65
4 Kbytes
8 Kbytes
Size
0FFDCh
Internal ROM
0FFFFh
Address 0YYYYh
0F000h
0E000h
Watchdog timer/voltage monitor/comparator
Undefined instruction
256 bytes
384 bytes
BRK instruction
Address match
Size
Single step
(Reserved)
(Reserved)
Overflow
Reset
Internal RAM
Address 0XXXXh
004FFh
0057Fh
3. Memory