R5F21244SNFP#U0 Renesas Electronics America, R5F21244SNFP#U0 Datasheet - Page 45

• Manufacturer Part Number: R5F21244SNFP#U0
• Description: IC R8C MCU FLASH 16K 52LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/24r

Specifications of R5F21244SNFP#U0

• Core Processor: R8C
• Core Size: 16-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: -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: -

R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
Table 5.2 shows the Pin Functions while RESET Pin Level is “L”, Figure 5.2 shows the CPU Register Status after
Reset, Figure 5.3 shows the Reset Sequence, and Figure 5.4 shows the OFS Register.
Figure 5.2
Table 5.2
P0, P1, P2
P3_0, P3_1, P3_3 to P3_5, P3_7 Input port
P4_2 to P4_7
P6
Feb 29, 2008
Pin Name
b15
CPU Register Status after Reset
Pin Functions while RESET Pin Level is “L”
IPL
b19
Content of addresses 0FFFEh to 0FFFCh
Page 26 of 485
b15
b15
b15
Input port
Input port
Input port
b8
00000h
U
b7
I
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
O
Pin Functions
B
S
Z
D
C
b0
b0
b0
b0
b0
User stack pointer(USP)
Interrupt stack pointer(ISP)
Static base register(SB)
Flag register(FLG)
Data register(R0)
Data register(R1)
Data register(R2)
Data register(R3)
Address register(A0)
Address register(A1)
Frame base register(FB)
Interrupt table register(INTB)
Program counter(PC)
5. Resets