R4F24568NVFQV Renesas Electronics America, R4F24568NVFQV Datasheet - Page 942
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 15 Serial Communication Interface (SCI, IrDA)
15.6
Figure 15.14 shows the general format for clocked synchronous communication. In clocked
synchronous mode, data is transmitted or received in synchronization with clock pulses. One
character of communication data consists of 8-bit data. In clocked synchronous serial
communication, data on the transmission line is output from one falling edge of the serial clock to
the next. In clocked synchronous mode, the SCI receives data in synchronization with the rising
edge of the serial clock. After 8-bit data is output, the transmission line holds the MSB state. In
clocked synchronous mode, no parity or multiprocessor bit is added. Inside the SCI, the
transmitter and receiver are independent units, enabling full-duplex communication by use of a
common clock. Both the transmitter and the receiver also have a double-buffered structure, so that
data can be read or written during transmission or reception, enabling continuous data transfer.
15.6.1
Either an internal clock generated by the on-chip baud rate generator or an external
synchronization clock input at the SCK pin can be selected, according to the setting of CKE1 and
CKE0 bits in SCR. When the SCI is operated on an internal clock, the serial clock is output from
the SCK pin. Eight serial clock pulses are output in the transfer of one character, and when no
transfer is performed the clock is fixed high.
Page 912 of 1392
Figure 15.14 Data Format in Clocked Synchronous Communication (For LSB-First)
Note: * High except in continuous transfer
Operation in Clocked Synchronous Mode
Clock
Serial
Serial
clock
data
Don’t care
*
LSB
Bit 0
Bit 1
One unit of transfer data (character or frame)
Bit 2
Bit 3
Bit 4
Bit 5
H8S/2456, H8S/2456R, H8S/2454 Group
Bit 6
REJ09B0467-0350 Rev. 3.50
MSB
Bit 7
Don’t care
*
Jul 07, 2010
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