R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 1058

• Manufacturer Part Number: R4F24278NVFQU
• Description: MCU 512K/48K 2.7-5.5V 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

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

Section 17 I
17.6
In master mode,
• When SCL is driven to low by the slave device
• When the rising speed of SCL is lower by the load of the SCL line (load capacitance or pull-up
This module has a possibility that high level period may be short in the two states described
above. Therefore it monitors SCL and communicates by bit with synchronization. Figure 17.18
shows the timing of the bit synchronous circuit and table 17.4 shows the time when SCL output
changes from low to Hi-Z then SCL is monitored.
Table 17.4 Time for monitoring SCL
Page 1028 of 1448
CKS3
0
1
resistance)
Bit Synchronous Circuit
2
C Bus Interface 2 (IIC2)
CKS2
0
1
0
1
SCL monitor
timing reference
clock
Internal SCL
SCL
Figure 17.18 Timing of the Bit Synchronous Circuit
*
0
1
*
0
1
CSK1
CSK0
*
0
1
*
*
0
1
*
VIH
Time for monitoring SCL
7.5 tcyc
41.5 tcyc
19.5 tcyc
17.5 tcyc
85.5 tcyc
41.5 tcyc
H8S/2427, H8S/2427R, H8S/2425 Group
REJ09B0565-0100 Rev. 1.00
Jul 22, 2010