R5F21191SP#U0 Renesas Electronics America, R5F21191SP#U0 Datasheet - Page 20

• Manufacturer Part Number: R5F21191SP#U0
• Description: IC R8C MCU FLASH 8K 20SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/19r

Specifications of R5F21191SP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SIO, 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 4x1b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521174CPE10 - EMULATOR COMPACT R8C/18/19/1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/18 Group, R8C/19 Group
Rev.1.40
REJ03B0124-0140
4.
An SFR (special function register) is a control register for a peripheral function. Tables 4.1 to 4.4 list the
special function registers.
Table 4.1
X: Undefined
NOTES:
Address
000Ah
000Bh
000Ch
000Dh
000Eh
000Fh
001Ah
001Bh
001Ch
001Dh
001Eh
001Fh
002Ah
002Bh
002Ch
002Dh
002Eh
002Fh
003Ah
003Bh
003Ch
003Dh
003Eh
003Fh
0000h
0001h
0002h
0003h
0004h
0005h
0006h
0007h
0008h
0009h
0010h
0011h
0012h
0013h
0014h
0015h
0016h
0017h
0018h
0019h
0020h
0021h
0022h
0023h
0030h
0031h
0032h
0033h
0034h
0035h
0036h
0037h
0038h
0039h
Special Function Registers (SFRs)
1. The blank regions are reserved. Do not access locations in these regions.
2. Software reset, watchdog timer reset, and voltage monitor 2 reset do not affect this register.
3. After hardware reset.
4. After power-on reset or voltage monitor 1 reset.
5. Software reset, watchdog timer reset, and voltage monitor 2 reset do not affect b2 and b3.
Apr 14, 2006
Processor Mode Register 0
Processor Mode Register 1
System Clock Control Register 0
System Clock Control Register 1
Address Match Interrupt Enable Register
Protect Register
Oscillation Stop Detection Register
Watchdog Timer Reset Register
Watchdog Timer Start Register
Watchdog Timer Control Register
Address Match Interrupt Register 0
Address Match Interrupt Register 1
Count Source Protection Mode Register
INT0 Input Filter Select Register
High-Speed On-Chip Oscillator Control Register 0
High-Speed On-Chip Oscillator Control Register 1
High-Speed On-Chip Oscillator Control Register 2
Voltage Detection Register 1
Voltage Detection Register 2
Voltage Monitor 1 Circuit Control Register
Voltage Monitor 2 Circuit Control Register
SFR Information (1)
Page 18 of 38
(2)
(2)
(1)
Register
(2)
(5)
4. Special Function Registers (SFRs)
PM0
PM1
CM0
CM1
AIER
PRCR
OCD
WDTR
WDTS
WDC
RMAD0
RMAD1
CSPR
INT0F
HRA0
HRA1
HRA2
VCA1
VCA2
VW1C
VW2C
Symbol
00h
00h
01101000b
00100000b
00h
00h
00000100b
XXh
XXh
00011111b
00h
00h
X0h
00h
00h
X0h
00h
00h
00h
When shipping
00h
00001000b
00h
01000000b
0000X000b
0100X001b
00h
(3)
After reset
(4)
(3)
(4)