R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 44

• Manufacturer Part Number: R5F21334CNFP#U0
• Description: MCU 1KB FLASH 16K ROM 32-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/33Cr

Specifications of R5F21334CNFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, PWM, Voltage Detect, WDT
• Number Of I /o: 27
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 14 of 589
4.
An SFR (special function register) is a control register for a peripheral function. Tables 4.1 to 4.12 list the special
function registers and Table 4.13 lists the ID Code Areas and Option Function Select Area.
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
0000h
0001h
0002h
0003h
0004h
0005h
0006h
0007h
0008h
0009h
0010h
0011h
0012h
0013h
0014h
0015h
0016h
0017h
0018h
0019h
0020h
0021h
0022h
0023h
0024h
0025h
0026h
0027h
0028h
0029h
0030h
0031h
0032h
0033h
0034h
0035h
0036h
0037h
0038h
0039h
Special Function Registers (SFRs)
1.
2.
3.
4.
5.
The blank areas are reserved and cannot be accessed by users.
The CWR bit in the RSTFR register is set to 0 after power-on and voltage monitor 0 reset. Hardware reset, Software reset, or watchdog timer
reset does not affect this bit.
The CSPROINI bit in the OFS register is set to 0.
The LVDAS bit in the OFS register is set to 1.
The LVDAS bit in the OFS register is set to 0.
Processor Mode Register 0
Processor Mode Register 1
System Clock Control Register 0
System Clock Control Register 1
Module Standby Control Register
System Clock Control Register 3
Protect Register
Reset Source Determination Register
Oscillation Stop Detection Register
Watchdog Timer Reset Register
Watchdog Timer Start Register
Watchdog Timer Control Register
High-Speed On-Chip Oscillator Control Register 7
Count Source Protection Mode 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
On-Chip Reference Voltage Control Register
Clock Prescaler Reset Flag
High-Speed On-Chip Oscillator Control Register 4
High-Speed On-Chip Oscillator Control Register 5
High-Speed On-Chip Oscillator Control Register 6
High-Speed On-Chip Oscillator Control Register 3
Voltage Monitor Circuit Control Register
Voltage Monitor Circuit Edge Select Register
Voltage Detect Register 1
Voltage Detect Register 2
Voltage Detection 1 Level Select Register
Voltage Monitor 0 Circuit Control Register
Voltage Monitor 1 Circuit Control Register
SFR Information (1)
(1)
Register
4. Special Function Registers (SFRs)
PM0
PM1
CM0
CM1
MSTCR
CM3
PRCR
RSTFR
OCD
WDTR
WDTS
WDTC
FRA7
CSPR
FRA0
FRA1
FRA2
OCVREFCR
CPSRF
FRA4
FRA5
FRA6
FRA3
CMPA
VCAC
VCA1
VCA2
VD1LS
VW0C
VW1C
Symbol
00h
00h
00101000b
00100000b
00h
00h
00h
0XXXXXXXb
00000100b
XXh
XXh
00111111b
When shipping
00h
10000000b
00h
When shipping
00h
00h
00h
When Shipping
When Shipping
When Shipping
When shipping
00h
00h
00001000b
00h
00100000b
00000111b
1100X010b
1100X011b
10001010b
(4)
After Reset
(3)
(5)
(4)
(5)
(2)