R4F24268NVRFQV Renesas Electronics America, R4F24268NVRFQV Datasheet - Page 1087
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
-
Available stocks
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Company:
Part Number:
R4F24268NVRFQV
Manufacturer:
Renesas Electronics America
Quantity:
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Company:
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R4F24268NVRFQV
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H8S/2426, H8S/2426R, H8S/2424 Group
Section 19 Synchronous Serial Communication Unit (SSU)
(2)
Data Transmission
Figure 19.5 shows an example of transmission operation, and figure 19.6 shows a flowchart
example of data transmission.
When transmitting data, the SSU operates as shown below.
In master mode, the SSU outputs a transfer clock and data. In slave mode, when a low level signal
is input to the SCS pin and a transfer clock is input to the SSCK pin, the SSU outputs data in
synchronization with the transfer clock.
Writing transmit data to SSTDR after the TE bit is set to 1 clears the TDRE bit in SSSR to 0, and
the SSTDR contents are transferred to SSTRSR. After that, the SSU sets the TDRE bit to 1 and
starts transmission. At this time, if the TIE bit in SSER is set to 1, a TXI interrupt is generated.
When 1-frame data has been transferred with TDRE = 0, the SSTDR contents are transferred to
SSTRSR to start the next frame transmission. When the 8th bit of transmit data has been
transferred with TDRE = 1, the TEND bit in SSSR is set to 1 and the state is retained. At this time,
if the TEIE bit is set to 1, a TEI interrupt is generated. After transmission, the output level of the
SSCK pin is fixed high when CPOS = 0 and low when CPOS = 1.
While the ORER bit in SSSR is set to 1, transmission is not performed. Check that the ORER bit
is cleared to 0.
REJ09B0466-0350 Rev. 3.50
Page 1057 of 1372
Jul 09, 2010
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