R4F24268NVRFQV Renesas Electronics America, R4F24268NVRFQV Datasheet - Page 962
R4F24268NVRFQV
Manufacturer Part Number
R4F24268NVRFQV
Description
MCU 256KB FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24268NVZFQV.pdf
(1406 pages)
Specifications of R4F24268NVRFQV
Core Processor
H8S/2600
Core Size
16/32-Bit
Speed
33MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SSU, UART/USART
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 10x10b, 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
-
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Section 15 Serial Communication Interface (SCI, IrDA)
15.7.5
Before transmitting and receiving data, initialize the SCI as described below. Initialization is also
necessary when switching from transmit mode to receive mode, or vice versa.
1. Clear the TE and RE bits in SCR to 0.
2. Clear the error flags ERS, PER, and ORER in SSR to 0.
3. Set the GM, BLK, O/E, BCP1, BCP0, CKS1, and CKS0 bits in SMR, and the BCP2 bit in
4. Set the SMIF, SDIR, and SINV bits in SCMR.
5. Set the value corresponding to the bit rate in BRR.
6. Set the CKE0 and CKE1 bits in SCR. Clear the TIE, RIE, TE, RE, MPIE, and TEIE bits to 0.
7. Wait at least one bit interval, then set the TIE, RIE, TE, and RE bits in SCR. Do not set the TE
To switch from receive mode to transmit mode, after checking that the SCI has finished reception,
initialize the SCI, and clear RE to 0 and set TE to 1. Whether SCI has finished reception can be
checked with the RDRF, PER, or ORER flag. To switch from transmit mode to receive mode,
after checking that the SCI has finished transmission, initialize the SCI, and clear TE to 0 and set
RE to 1. Whether SCI has finished transmission can be checked with the TEND flag.
Page 932 of 1372
SCMR. Set the PE bit to 1.
When the SMIF bit is set to 1, the TxD and RxD pins are both switched from ports to SCI pins,
and are placed in the high-impedance state.
If the CKE0 bit is set to 1, the clock is output from the SCK pin.
bit and RE bit at the same time, except for self-diagnosis.
Initialization
H8S/2426, H8S/2426R, H8S/2424 Group
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
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