R5F211B1SP#U0 Renesas Electronics America, R5F211B1SP#U0 Datasheet - Page 57

• Manufacturer Part Number: R5F211B1SP#U0
• Description: IC R8C MCU FLASH 4K 20SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/1Br

Specifications of R5F211B1SP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• For Use With: R0K5211B4S001BE - KIT STARTER FOR R8C/18191A1BR0K5211B4S000BE - KIT DEV EVALUATION R8C/1BR0E521174CPE10 - EMULATOR COMPACT R8C/18/19/1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/1A Group, R8C/1B Group
Rev.1.30
REJ09B0252-0130
Table 6.2 shows the Pin Functions while RESET Pin Level is “L”, Figure 6.2 shows CPU Register Status after Reset
and Figure 6.3 shows Reset Sequence.
Figure 6.2
Figure 6.3
Table 6.2
P1
P3_3 to P3_5, P3_7
P4_2, P4_5
fRING-S
Internal reset
signal
CPU clock
Address
(internal address
signal)
Dec 08, 2006
Pin Name
to
b15
CPU Register Status after Reset
Reset Sequence
Pin Functions while RESET Pin Level is “L”
P4_7
NOTE:
1. Hardware reset
IPL
b19
Content of addresses 0FFFEh to 0FFFCh
20 cycles or more are needed
Flash memory activation time
Page 39 of 315
(CPU clock × 11 cycles)
b15
b15
b15
Input port
Input port
Input port
b8
00000h
U
b7
(1)
I
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
O
Pin Functions
CPU clock × 28 cycles
B
S
Z
D
C
b0
b0
b0
b0
0FFFCh
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)
0FFFDh
0FFFEh
Content of reset vector
6. Resets