HD6417708SF60V Renesas Electronics America, HD6417708SF60V Datasheet - Page 408
HD6417708SF60V
Manufacturer Part Number
HD6417708SF60V
Description
IC SUPERH MPU ROMLESS 208LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.HD6417708SF60V.pdf
(635 pages)
Specifications of HD6417708SF60V
Core Processor
SH-2
Core Size
32-Bit
Speed
60MHz
Connectivity
EBI/EMI, SCI, SmartCard
Peripherals
POR, WDT
Number Of I /o
8
Program Memory Type
ROMless
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
208-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Ram Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
HD6417708SF60V
Manufacturer:
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Quantity:
10 000
Part Number:
HD6417708SF60V
Manufacturer:
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Quantity:
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In transmitting serial data, the SCI operates as follows:
1. The SCI monitors the TDRE bit in SCSSR. When TDRE is cleared to 0 the SCI recognizes
2. After loading the data from SCTDR into SCTSR, the SCI sets the TDRE bit to 1 and starts
3. The SCI checks the TDRE bit when it outputs the MSB (bit 7). If TDRE is 0, the SCI loads
4. After the end of serial transmission, the SCK pin is held in the high state.
Figure 13.17 shows an example of SCI transmit operation.
388
that the transmit data register (SCTDR) contains new data and loads this data from SCTDR
into the transmit shift register (SCTSR).
transmitting. If the transmit-data-empty interrupt enable bit (TIE) in SCSCR is set to 1, the SCI
requests a transmit-data-empty interrupt (TXI) at this time.
If clock output mode is selected, the SCI outputs eight synchronous clock pulses. If an external
clock source is selected, the SCI outputs data in synchronization with the input clock. Data is
output from the TxD pin in order from the LSB (bit 0) to the MSB (bit 7).
data from SCTDR into SCTSR, then begins serial transmission of the next frame. If TDRE is
1, the SCI sets the TEND bit in SCSSR to 1, transmits the MSB, then holds the transmit data
pin (TxD) in the MSB state. If the transmit-end interrupt enable bit (TEIE) in the SCSCR is set
to 1, a transmit-end interrupt (TEI) is requested at this time.
Serial clock
Serial data
TDRE
TEND
TXI interrupt
request
Transfer direction
Figure 13.17 Example of SCI Transmit Operation
Bit 0
LSB
and clears TDRE
handler writes
TXI interrupt
data to TDR
bit to 0
Bit 1
1 frame
TXI interrupt
MSB
Bit 7
request
Bit 0
Bit 1
TEI interrupt
Bit 6
request
Bit 7
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