HD6417751RF240V Renesas Electronics America, HD6417751RF240V Datasheet - Page 707
HD6417751RF240V
Manufacturer Part Number
HD6417751RF240V
Description
MPU 1.5/3.3V 0K PB-FREE 256-QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417751RBP200DV.pdf
(1226 pages)
Specifications of HD6417751RF240V
Core Processor
SH-4
Core Size
32-Bit
Speed
240MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
39
Program Memory Type
ROMless
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
256-QFP Exposed Pad, 256-eQFP, 256-HQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417751RF240V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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15.2
15.2.1
SCRSR1 is the register used to receive serial data.
The SCI sets serial data input from the RxD pin in SCRSR1 in the order received, starting with the
LSB (bit 0), and converts it to parallel data. When one byte of data has been received, it is
transferred to SCRDR1 automatically.
SCRSR1 cannot be directly read or written to by the CPU.
15.2.2
SCRDR1 is the register that stores received serial data.
When the SCI has received one byte of serial data, it transfers the received data from SCRSR1 to
SCRDR1 where it is stored, and completes the receive operation. SCRSR1 is then enabled for
reception.
Since SCRSR1 and SCRDR1 function as a double buffer in this way, it is possible to receive data
continuously.
SCRDR1 is a read-only register, and cannot be written to by the CPU.
SCRDR1 is initialized to H'00 by a power-on reset or manual reset, in standby mode, and in the
module standby state.
Initial value:
R/W:
R/W:
Register Descriptions
Receive Shift Register (SCRSR1)
Receive Data Register (SCRDR1)
Bit:
Bit:
—
R
7
7
0
—
R
6
6
0
—
R
0
5
5
—
R
4
4
0
Rev.4.00 Oct. 10, 2008 Page 607 of 1122
15. Serial Communication Interface (SCI)
—
R
3
3
0
—
R
2
2
0
REJ09B0370-0400
—
R
1
1
0
—
R
0
0
0
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