R4F24268NVRFQV Renesas Electronics America, R4F24268NVRFQV Datasheet - Page 900
R4F24268NVRFQV
Manufacturer Part Number
R4F24268NVRFQV
Description
MCU 256KB FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24268NVZFQV.pdf
(1406 pages)
Specifications of R4F24268NVRFQV
Core Processor
H8S/2600
Core Size
16/32-Bit
Speed
33MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SSU, UART/USART
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R4F24268NVRFQV
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Section 15 Serial Communication Interface (SCI, IrDA)
• Receive shift register_3 (RSR_3)
• Transmit shift register_3 (TSR_3)
• Receive data register_3 (RDR_3)
• Transmit data register_3 (TDR_3)
• Serial mode register_3 (SMR_3)
• Serial control register_3 (SCR_3)
• Serial status register_3 (SSR_3)
• Smart card mode register_3 (SCMR_3)
• Bit rate register_3 (BRR_3)
• Receive shift register_4 (RSR_4)
• Transmit shift register_4 (TSR_4)
• Receive data register_4 (RDR_4)
• Transmit data register_4 (TDR_4)
• Serial mode register_4 (SMR_4)
• Serial control register_4 (SCR_4)
• Serial status register_4 (SSR_4)
• Smart card mode register_4 (SCMR_4)
• Bit rate register_4 (BRR_4)
15.3.1
RSR is a shift register used to receive serial data that is input to the RxD pin and convert it into
parallel data. When one byte of data has been received, it is transferred to RDR automatically.
RSR cannot be directly accessed by the CPU.
15.3.2
RDR is an 8-bit register that stores receive data. When the SCI has received one byte of serial
data, it transfers the received serial data from RSR to RDR where it is stored. After this, RSR is
receive-enabled. Since RSR and RDR function as a double buffer in this way, enables continuous
receive operations to be performed. After confirming that the RDRF bit in SSR is set to 1, read
RDR for only once. RDR cannot be written to by the CPU.
Page 870 of 1372
Receive Shift Register (RSR)
Receive Data Register (RDR)
H8S/2426, H8S/2426R, H8S/2424 Group
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
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