HD64F36077GHV Renesas Electronics America, HD64F36077GHV Datasheet - Page 327
HD64F36077GHV
Manufacturer Part Number
HD64F36077GHV
Description
16BIT MCU FLASH 56K, SMD, LQFP64
Manufacturer
Renesas Electronics America
Datasheet
1.HD64F36077GHV.pdf
(524 pages)
Specifications of HD64F36077GHV
No. Of I/o's
47
Ram Memory Size
4KB
Cpu Speed
20MHz
No. Of Timers
4
Digital Ic Case Style
LQFP
Supply Voltage Range
4.5V
Core Size
16bit
Program Memory Size
56KB
Oscillator Type
External Only
Controller Family/series
H8/300H
Peripherals
ADC
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F36077GHV
Manufacturer:
RENESAS
Quantity:
340
Part Number:
HD64F36077GHV
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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16.4.3
Figure 16.5 shows an example of operation for transmission in asynchronous mode. In
transmission, the SCI3 operates as described below.
1. The SCI3 monitors the TDRE flag in SSR. If the flag is cleared to 0, the SCI3 recognizes that
2. After transferring data from TDR to TSR, the SCI3 sets the TDRE flag to 1 and starts
3. The SCI3 checks the TDRE flag at the timing for sending the stop bit.
4. If the TDRE flag is 0, the data is transferred from TDR to TSR, the stop bit is sent, and then
5. If the TDRE flag is 1, the TEND flag in SSR is set to 1, the stop bit is sent, and then the “mark
6. Figure 16.6 shows a sample flowchart for transmission in asynchronous mode.
data has been written to TDR, and transfers the data from TDR to TSR.
transmission. If the TIE bit is set to 1 at this time, a TXI interrupt request is generated.
Continuous transmission is possible because the TXI interrupt routine writes next transmit data
to TDR before transmission of the current transmit data has been completed.
serial transmission of the next frame is started.
state” is entered, in which 1 is output. If the TEIE bit in SCR3 is set to 1 at this time, a TEI
interrupt request is generated.
Serial
data
TDRE
TEND
LSI
operation
User
processing
Data Transmission
Figure 16.5 Example of SCI3 Transmission in Asynchronous Mode
TXI interrupt
request
generated
1
Start
bit
0
D0
D1
TDRE flag
cleared to 0
Data written
to TDR
Transmit
1 frame
(8-Bit Data, Parity, One Stop Bit)
data
D7
Parity
0/1
bit
TXI interrupt request generated
Stop
bit
1
Start
bit
0
Section 16 Serial Communication Interface 3 (SCI3)
D0
1 frame
D1
Rev. 1.00 Sep. 16, 2005 Page 297 of 490
Transmit
data
D7
Parity
0/1
bit
TEI interrupt request
generated
Stop
bit
1
REJ09B0216-0100
Mark
state
1
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