DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 479
DF71251AD50FPV
Manufacturer Part Number
DF71251AD50FPV
Description
MCU RISC FLASH 32K 8K 64LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH Tinyr
Datasheet
1.DF71243N50FPV.pdf
(794 pages)
Specifications of DF71251AD50FPV
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
SCI
Peripherals
POR, PWM, WDT
Number Of I /o
37
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF71251AD50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 479 of 794
- Download datasheet (5Mb)
Transmitting Serial Data (Clock Synchronous Mode): Figure 12.10 shows a sample flowchart
for transmitting serial data.
Use the following procedure for serial data transmission after enabling the SCI for transmission.
Write transmit data to SCTDR
Read TDRE flag in SCSSR
Read TEND flag in SCSSR
Clear TE bit in SCSCR to 0
Figure 12.10 Sample Flowchart for Transmitting Serial Data
and clear TDRE flag
Start of transmission
All data transmitted?
End of transmission
in SCSSR to 0
TDRE = 1?
TEND = 1?
Yes
Yes
Yes
No
No
No
[1] SCI status check and transmit data
[2] Serial transmission continuation
write:
TDRE flag is set to 1, then write
transmit data to SCTDR, and clear
the TDRE flag to 0.
procedure:
1 from the TDRE flag to confirm that
writing is possible, then write data to
SCTDR, and then clear the TDRE
flag to 0.
Read SCSSR and check that the
To continue serial transmission, read
Rev. 5.00 Mar. 06, 2009 Page 459 of 770
REJ09B0243-0500
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