R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 225

MCU 1KB FLASH 16K ROM 32-LQFP

R5F21334CNFP#U0

Manufacturer Part Number
R5F21334CNFP#U0
Description
MCU 1KB FLASH 16K ROM 32-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/33Cr
Datasheet

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
-

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R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 195 of 589
15.3.10.4 SSU/I
15.3.10.5 SSU/I
When the DTC activation source is SSU/I
using a data 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. If an interrupt source for receive
data full is subsequently generated, the DTC acknowledges it as the activation source.
When the DTC activation source is SSU/I
register using a data 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. If an interrupt source for transmit data empty is subsequently generated, the DTC acknowledges it as
the activation source.
2
2
C bus Receive Data Full
C bus Transmit Data Empty
2
2
C bus receive data full, read the SSRDR register/the ICDRR register
C bus transmit data empty, write to the SSTDR register/the ICDRT
15. DTC

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