HD64F3684FP Renesas Electronics America, HD64F3684FP Datasheet - Page 312
HD64F3684FP
Manufacturer Part Number
HD64F3684FP
Description
IC H8 MCU FLASH 32K 64LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.HD64F3684GFPV.pdf
(538 pages)
Specifications of HD64F3684FP
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
PWM, WDT
Number Of I /o
45
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Quantity
Price
Company:
Part Number:
HD64F3684FPV
Manufacturer:
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Quantity:
10 000
Part Number:
HD64F3684FPV
Manufacturer:
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Quantity:
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Section 16 Serial Communication Interface 3 (SCI3)
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.
Rev.5.00 Nov. 02, 2005 Page 278 of 500
REJ09B0027-0500
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
D0
1 frame
D1
Transmit
data
D7
Parity
0/1
bit
TEI interrupt request
generated
Stop
bit
1
Mark
state
1
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