DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 441
![MCU RISC FLASH 32K 8K 64LQFP](/photos/28/61/286100/64-lqfp__plqp0064kb-a_sml.jpg)
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: 441 of 794
- Download datasheet (5Mb)
12.3.6
SCSCR is an 8-bit register that enables or disables SCI transmission/reception and interrupt
requests and selects the transmit/receive clock source. The CPU can always read and write to
SCSCR.
Bit
7
6
Serial Control Register (SCSCR)
Bit Name
TIE
RIE
Initial value:
Initial
value
0
0
R/W:
Bit:
R/W
TIE
7
0
R/W
R/W
R/W
R/W
RIE
6
0
Description
Transmit Interrupt Enable
Enables or disables a transmit-data-empty interrupt
(TXI) to be issued when the TDRE flag in the serial
status register (SCSSR) is set to 1 after serial transmit
data is sent from the transmit data register (SCTDR) to
the transmit shift register (SCTSR).
TXI can be canceled by clearing the TDRE flag to 0
after reading TDRE = 1 or by clearing the TIE bit to 0.
0: Transmit-data-empty interrupt request (TXI) is
1: Transmit-data-empty interrupt request (TXI) is
Receive Interrupt Enable
Enables or disables a receive-data-full interrupt (RXI)
and a receive error interrupt (ERI) to be issued when
the RDRF flag in SCSSR is set to 1 after the serial data
received is transferred from the receive shift register
(SCRSR) to the receive data register (SCRDR).
RXI can be canceled by clearing the RDRF flag after
reading RDRF =1. ERI can be canceled by clearing the
FER, PER, or ORER flag to 0 after reading 1 from the
flag. Both RXI and ERI can also be canceled by
clearing the RIE bit to 0.
0: Receive-data-full interrupt (RXI) and receive-error
1: Receive-data-full interrupt (RXI) and receive-error
R/W
TE
5
0
disabled
enabled
interrupt (ERI) requests are disabled
interrupt (ERI) requests are enabled
R/W
RE
4
0
MPIE
R/W
3
0
TEIE
R/W
Rev. 5.00 Mar. 06, 2009 Page 421 of 770
2
0
R/W
1
0
CKE[1:0]
R/W
0
0
REJ09B0243-0500
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