R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 148
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
- Current page: 148 of 622
- Download datasheet (7Mb)
R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 118 of 589
9.7.2
9.7.2.1
9.7.2.2
9.7.2.3
Since the CPU clock stops in wait mode, the CPU operating with the CPU clock and the watchdog timer when
count source protection mode is disabled stop. Since the XIN clock, XCIN clock, and on-chip oscillator clock
do not stop, the peripheral functions using these clocks continue operating.
If the CM02 bit is set to 1 (peripheral function clock stops in wait mode), the f1, f2, f4, f8, and f32 clocks stop
in wait mode. This reduces power consumption.
The MCU enters wait mode by executing the WAIT instruction or setting the CM30 bit in the CM3 register to 1
(MCU enters wait mode).
When the OCD2 bit in the OCD register is set to 1 (on-chip oscillator selected as system clock), set the OCD1
bit in the OCD register to 0 (oscillation stop detection interrupt disabled) before executing the WAIT instruction
or setting the CM30 bit in the CM3 register to 1(MCU enters wait mode).
If the MCU enters wait mode while the OCD1 bit is set to 1 (oscillation stop detection interrupt enabled),
current consumption is not reduced because the CPU clock does not stop.
Enter wait mode after setting the FMR27 bit to 0 (low-current-consumption read mode disabled). Do not enter
wait mode while the FMR27 bit is 1 (low-current-consumption read mode enabled).
The I/O port retains the status immediately before the MCU enters wait mode.
Wait Mode
Peripheral Function Clock Stop Function
Entering Wait Mode
Pin Status in Wait Mode
9. Clock Generation Circuit
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