R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 56
R5F21334CNFP#U0
Manufacturer Part Number
R5F21334CNFP#U0
Description
MCU 1KB FLASH 16K ROM 32-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/33Cr
Datasheet
1.R5F21331CNFPU0.pdf
(622 pages)
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21334CNFP#U0R5F21334CNFP#V2
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 26 of 589
5.
The following resets are implemented: hardware reset, power-on reset, voltage monitor 0 reset, watchdog timer reset,
and software reset.
Table 5.1 lists the Reset Names and Sources. Figure 5.1 shows the Block Diagram of Reset Circuit.
Figure 5.1
Table 5.1
Hardware reset
Power-on reset
Voltage monitor 0 reset
Watchdog timer reset
Software reset
RESET
VCC
Resets
Reset Name
Reset Names and Sources
Block Diagram of Reset Circuit
Power-on reset
Watchdog
detection
Voltage
circuit
circuit
timer
CPU
Input voltage of RESET pin is held “L”
VCC rises
VCC falls (monitor voltage: Vdet0)
Underflow of watchdog timer
Write 1 to PM03 bit in PM0 register
Voltage monitor 0 reset
Watchdog timer
reset
Software reset
Power-on reset
Hardware reset
Note:
1. The CWR bit in the RSTFR register is set to 0 (cold start-up) after power-on or
voltage monitor 0 reset. This bit remains unchanged at a hardware reset,
software reset, or watchdog timer reset.
Source
Pin, CPU, and SFR
5. Resets
(1)
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