R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 596
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 566 of 589
33.5
33.5.1
33.5.2
33.5.3
33.5.4
•
•
•
•
•
•
•
•
No interrupt is generated for the CPU during DTC operation in any of the following cases:
- When the DTC activation source is SSU/I
- When performing the data transfer causing the DTCCTj (j = 0 to 23) register value to change to 0 in normal
- When performing the data transfer causing the DTCCRj register value to change to 0 while the RPTINT bit in
mode
the DTCCRj register is 1 (interrupt generation enabled) in repeat mode
Do not generate any DTC activation sources before entering wait mode or during wait mode.
Do not generate any DTC activation sources before entering stop mode or during stop mode.
Modify bits DTCENi0 to DTCENi7 only while an interrupt request corresponding to the bit is not generated.
When the interrupt source flag in the status register for the peripheral function is 1, do not modify the
corresponding activation source bit among bits DTCENi0 to DTCENi7.
Do not access the DTCENi registers using DTC transfers.
Do not set the status register bit for the peripheral function to 0 using a DTC transfer.
When the DTC activation source is SSU/I
register using a DTC transfer.
The RDRF bit in the SSSR register/the ICSR register is set to 0 (no data in SSRDR/ICDRR register) by
reading the SSRDR register/the ICDRR register.
However, the RDRF bit is not set to 0 by reading the SSRDR register/the ICDRR register when the DTC data
transfer setting is either of the following:
When the DTC activation source is SSU/I
register using a DTC transfer. The TDRE bit in the SSSR register/the ICSR register is set to 0 (data is not
transferred from registers SSTDR/ICDRT to SSTRSR/ICDRS) by writing to the SSTDR register/the ICDRT
register.
- Transfer causing the DTCCTj (j = 0 to 23) register value to change from 1 to 0 in normal mode
- Transfer causing the DTCCRj register value to change from 1 to 0 while the RPTINT bit in the DTCCRj
Notes on DTC
register is 1 (interrupt generation enabled) in repeat mode
DTC activation source
DTCENi (i = 0 to 3, 5, 6) Registers
Peripheral Modules
Interrupt Request
2
2
C bus transmit data empty, write to the SSTDR register/the ICDRT
C transmit data empty or flash ready status
2
C bus receive data full, read the SSRDR register/the ICDRR
33. Usage Notes
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