R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 1121
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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
20.4
20.4.1
A transfer clock can be selected from eight internal clocks and an external clock. When using this
module, set the SCKS bit in SSCRH to 1 to select the SSCK pin as a serial clock. When the MSS
bit in SSCRH is 1, an internal clock is selected and the SSCK pin is used as an output pin. When
transfer is started, the clock with the transfer rate set by bits CKS2 to CKS0 in SSMR is output
from the SSCK pin. When MSS = 0, an external clock is selected and the SSCK pin is used as an
input pin.
20.4.2
The relationship of clock phase, polarity, and transfer data depends on the combination of the
CPOS and CPHS bits in SSMR. Figure 20.2 shows the relationship. When SSUMS = 1, the CPHS
setting is invalid although the CPOS setting is valid.
Setting the MLS bit in SSMR selects that MSB or LSB first communication. When MLS = 0, data
is transferred from the LSB to the MSB. When MLS = 1, data is transferred from the MSB to the
LSB.
REJ09B0565-0100 Rev. 1.00
Jul 22, 2010
(1) When CPHS = 0
(2) When CPHS = 1
Operation
Transfer Clock
Relationship of Clock Phase, Polarity, and Data
SCS
SSCK
(CPOS = 0)
SSCK
(CPOS = 1)
SSI, SSO
SCS
SSCK
(CPOS = 0)
SSCK
(CPOS = 1)
SSI, SSO
Figure 20.2 Relationship of Clock Phase, Polarity, and Data
Bit 0
Bit 0
Bit 1
Bit 1
Bit 2
Bit 2
Bit 3
Section 20 Synchronous Serial Communication Unit (SSU)
Bit 3
Bit 4
Bit 4
Bit 5
Bit 5
Bit 6
Bit 6
Bit 7
Bit 7
Page 1091 of 1448
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