R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 613

• 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 583 of 589
34. Notes on On-Chip Debugger
When using the on-chip debugger to develop and debug programs for the R8C/33C Group, take note of the following:
(1) Some of the user flash memory and RAM areas are used by the on-ship debugger. These areas cannot be accessed
(2) Do not set the address match interrupt (registers AIER0, AIER1, RMAD0, and RMAD1 and fixed vector tables)
(3) Do not use the BRK instruction in a user system.
(4) Debugging is available under the condition of supply voltage VCC = 1.8 to 5.5 V. Set the supply voltage to 2.7 V
Connecting and using the on-chip debugger has some special restrictions. Refer to the on-chip debugger manual for
details.
by the user.
Refer to the on-chip debugger manual for which areas are used.
in a user system.
or above for rewriting the flash memory.
34. Notes on On-Chip Debugger