HD6417750SF200V Renesas Electronics America, HD6417750SF200V Datasheet - Page 772
HD6417750SF200V
Manufacturer Part Number
HD6417750SF200V
Description
MPU 3V 16K PB-FREE 208-QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417750RBP240DV.pdf
(1164 pages)
Specifications of HD6417750SF200V
Core Processor
SH-4
Core Size
32-Bit
Speed
200MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
28
Program Memory Type
ROMless
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 2.07 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
208-QFP
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:
HD6417750SF200V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 15 Serial Communication Interface (SCI)
Table 15.9 SCSMR1 and SCSCR1 Settings for SCI Clock Source Selection
SCSMR1
Bit 7:
C/A
0
1
15.3.2
In asynchronous mode, characters are sent or received, each preceded by a start bit indicating the
start of communication and followed by one or two stop bits indicating the end of communication.
Serial communication is thus carried out with synchronization established on a character-by-
character basis.
Inside the SCI, the transmitter and receiver are independent units, enabling full-duplex
communication. Both the transmitter and the receiver also have a double-buffered structure, so
that data can be read or written during transmission or reception, enabling continuous data
transfer.
Figure 15.5 shows the general format for asynchronous serial communication.
In asynchronous serial communication, the transmission line is usually held in the mark state (high
level). The SCI monitors the transmission line, and when it goes to the space state (low level),
recognizes a start bit and starts serial communication.
One serial communication character consists of a start bit (low level), followed by data (in LSB-
first order), a parity bit (high or low level), and finally one or two stop bits (high level).
Rev.7.00 Oct. 10, 2008 Page 686 of 1074
REJ09B0366-0700
Operation in Asynchronous Mode
Bit 1:
CKE1
0
1
0
1
SCSCR1 Setting
Bit 0:
CKE0
0
1
0
1
0
1
0
1
Mode
Asynchronous
mode
Synchronous
mode
Clock
Source
External
Internal
External
Internal
SCI Transmit/Receive Clock
SCK Pin Function
SCI does not use SCK pin
Outputs clock with same
frequency as bit rate
Inputs clock with frequency of
16 times the bit rate
Outputs serial clock
Inputs serial clock
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