R4F24268NVRFQV Renesas Electronics America, R4F24268NVRFQV Datasheet - Page 1104
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
-
Available stocks
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Price
Company:
Part Number:
R4F24268NVRFQV
Manufacturer:
Renesas Electronics America
Quantity:
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Company:
Part Number:
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Section 19 Synchronous Serial Communication Unit (SSU)
Page 1074 of 1372
[3]
Note: Hatching boxes represent SSU internal operations.
[1]
[2]
No
Data transferred from SSTDR to SSTRSR
TDRE set to 1 to start transmission
Figure 19.17 Flowchart Example of Simultaneous Transmission/Reception
Clear TE and RE in SSER to 0
Write transmit data to SSTDR
Read receive data in SSRDR
TDRE automatically cleared
RDRF automatically cleared
End transmission/reception
Clear TEND in SSSR to 0
transmission/reception?
Has the 1 bit transfer
Read TEND in SSSR
Read TDRE in SSSR
Consecutive data
period elapsed?
Initial setting
Read SSSR
ORER = 1?
TEND = 1?
TDRE = 1?
RDRF = 1?
Yes
Start
Yes
No
Yes
Yes
(Clock Synchronous Communication Mode)
No
Yes
No
No
No
Yes
Error processing
[4]
[5]
[1] Initial setting:
[2] Check the SSU state and write transmit data:
[3] Check the SSU state:
[4] Receive error processing:
[5] Procedure for consecutive data transmission/reception:
Specify the transmit/receive data format.
Write transmit data to SSTDR after reading and
confirming that the TDRE bit in SSSR is 1. The TDRE bit
is automatically cleared to 0 and transmission is started
by writing data to SSTDR.
Read SSSR confirming that the RDRF bit is 1.
A change of the RDRF bit (from 0 to 1) can be notified
by RXI interrupt.
When a receive error occurs, execute the designated
error processing after reading the ORER bit in SSSR.
After that, clear the ORER bit to 0. While the ORER bit is
set to 1, transmission or reception is not resumed.
To continue serial data transmission/reception, confirm
that the TDRE bit is 1 meaning that SSTDR is ready to be
written to. After that, data can be written to SSTDR. The
TDRE bit is automatically cleared to 0 by writing data to
SSTDR.
H8S/2426, H8S/2426R, H8S/2424 Group
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
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