R4F24568NVFQV Renesas Electronics America, R4F24568NVFQV Datasheet - Page 1162
R4F24568NVFQV
Manufacturer Part Number
R4F24568NVFQV
Description
MCU 128KKB FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Specifications of R4F24568NVFQV
Core Processor
H8S/2600
Core Size
16/32-Bit
Speed
32MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SSU, UART/USART, USB
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 16x10b; 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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Section 20 Synchronous Serial Communication Unit (SSU)
(2)
Figure 20.13 shows an example of transmission operation, and figure 20.14 shows a flowchart
example of data transmission. When transmitting data in clock synchronous communication mode,
the SSU operates as shown below.
In master mode, the SSU outputs a transfer clock and data. In slave mode, when 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.
While the ORER bit in SSSR is set to 1, transmission is not performed. Check that the ORER bit
is cleared to 0.
Page 1132 of 1392
SSCK
SSO
TDRE
TEND
LSI operation
User operation
Data Transmission
Data written
to SSTDR
TXI interrupt
generated
Figure 20.13 Example of Transmission Operation
Bit 0
(Clock Synchronous Communication Mode)
Data written
to SSTDR
Bit 1
1 frame
Bit 7
TXI interrupt
generated
Bit 0
H8S/2456, H8S/2456R, H8S/2454 Group
Bit 1
1 frame
REJ09B0467-0350 Rev. 3.50
Bit 7
TEI interrupt
generated
Jul 07, 2010
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