R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 1047
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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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R4F24278NVFQU
Manufacturer:
REALTEK
Quantity:
2 300
Company:
Part Number:
R4F24278NVFQU
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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H8S/2427, H8S/2427R, H8S/2425 Group
17.4.4
In slave transmit mode, the slave device outputs the transmit data, while the master device outputs
the receive clock and returns an acknowledge signal.
The transmission procedure and operations in slave transmit mode are described below.
1. Set the ICE bit in ICCRA to 1. Set the MLS and WAIT bits in ICMR and the CKS3 to CKS0
2. When the slave address matches in the first frame following detection of the start condition,
3. If TDRE is set after writing last transmit data to ICDRT, wait until TEND in ICSR is set to 1,
4. Clear TRS for the end processing, and read ICDRR (dummy read). SCL is free.
5. Clear TDRE.
REJ09B0565-0100 Rev. 1.00
Jul 22, 2010
bits in ICCRA to 1. (Initial setting) Set the MST and TRS bits in ICCRA to select slave receive
mode, and wait until the slave address matches.
the slave device outputs the level specified by ACKBT in ICIER to SDA, at the rise of the 9th
clock pulse. At this time, if the 8th bit data (R/W) is 1, the TRS in ICCRA and TDRE in ICSR
are set to 1, and the mode changes to slave transmit mode automatically. The continuous
transmission is performed by clearing TDRE after writing transmit data to ICDRT every time
TDRE is set.
with TDRE = 1. When TEND is set, clear TEND.
Slave Transmit Operation
Section 17 I
2
C Bus Interface 2 (IIC2)
Page 1017 of 1448
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