R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 8

• 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: -

3.
The symbols and terms used in register diagrams are described below.
*1
*2
• Reserved bit
*3
• Nothing is assigned.
• Do not set to a value.
• Function varies according to the operating mode.
x.x.x
After Reset
R/W: Read and write.
R: Read only.
W: Write only.
−: Nothing is assigned.
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Register Notation
Address XXXXh
Symbol
Reserved bit. Set to specified value.
Nothing is assigned to the bit. As the bit may be used for future functions, if necessary, set to 0.
Operation is not guaranteed when a value is set.
The function of the bit varies with the peripheral function mode. Refer to the register diagram for information
on the individual modes.
Bit
Symbol
XXX0
XXX1
XXX4
XXX5
XXX6
XXX7
XXX Register (Symbol)
—
—
XXX7
b7
0
XXX bit
Nothing is assigned. If necessary, set to 0. When read, the content is undefined.
Reserved bit
XXX bit
XXX bit
XXX6
b6
0
Bit Name
XXX5
b5
0
XXX4
b4
0
*2
b1 b0
Set to 0.
Function varies according to the operating mode.
0: XXX
1: XXX
0 0: XXX
0 1: XXX
1 0: Do not set.
1 1: XXX
b3
—
0
b2
—
0
XXX1
Function
b1
0
*3
XXX0
b0
0
*1
R/W
R/W
R/W
R/W
R/W
R/W
—
W
R