R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 1005
R4F24278NVFQU
Manufacturer Part Number
R4F24278NVFQU
Description
MCU 512K/48K 2.7-5.5V 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24278NVFQU.pdf
(1482 pages)
Specifications of R4F24278NVFQU
Core Processor
H8S/2600
Core Size
16/32-Bit
Speed
33MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, Smart Card, SPI, SSU, UART/USART
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
98
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
64K 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
Available stocks
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Quantity
Price
Company:
Part Number:
R4F24278NVFQU
Manufacturer:
REALTEK
Quantity:
2 300
Company:
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R4F24278NVFQU
Manufacturer:
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Quantity:
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H8S/2427, H8S/2427R, H8S/2425 Group
(1)
In transmission, the output signal (UART frame) from the SCI is converted to an IR frame by the
IrDA interface (see figure 16.34).
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.
REJ09B0565-0100 Rev. 1.00
Jul 22, 2010
Transmission
Start
Start
cycle
bit
bit
Bit
0
Transmit
0
Figure 16.34 IrDA Transmit/Receive Operations
1
1
0
0
UART frame
IR frame
1
1
0
0
Section 16 Serial Communication Interface (SCI, IrDA, CRC)
Data
Data
0
0
Receive
1
1
Pulse width
1.6 μs to 3/16 bit cycle
1
1
0
0
Stop
Stop
bit
bit
1
1
Page 975 of 1448
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