R4F24568NVFQV Renesas Electronics America, R4F24568NVFQV Datasheet - Page 966

• 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: -

Section 15 Serial Communication Interface (SCI, IrDA)
(1)
In transmission, the output signal (UART frame) from the SCI is converted to an IR frame by the
IrDA interface (see figure 15.34).
When the serial data is 0, a high pulse of 3/16 the bit rate (interval equivalent to the width of one
bit) is output (initial value). The high-level pulse can be varied according to the setting of bits
IrCKS2 to IrCKS0 in IrCR.
In the specification, the high pulse width is fixed at a minimum of 1.41 µs, and a maximum of
(3/16 + 2.5%) × bit rate or (3/16 × bit rate) + 1.08 µs. When system clock φ is 20 MHz, 1.6 µs can
be set for a high pulse width with a minimum value of 1.41 µs.
When the serial data is 1, no pulse is output.
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Transmission
Start
Start
cycle
bit
bit
Bit
0
Transmit
0
Figure 15.34 IrDA Transmit/Receive Operations
1
1
0
0
UART frame
IR frame
1
1
0
0
Data
Data
0
0
Receive
1
1
Pulse width
1.6 μs to 3/16 bit cycle
H8S/2456, H8S/2456R, H8S/2454 Group
1
1
REJ09B0467-0350 Rev. 3.50
0
0
Stop
Stop
bit
bit
1
1
Jul 07, 2010