HD6473837H Renesas Electronics America, HD6473837H Datasheet - Page 299
HD6473837H
Manufacturer Part Number
HD6473837H
Description
IC H8 MCU OTP 60K 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD6473837HV.pdf
(562 pages)
Specifications of HD6473837H
Core Processor
H8/300L
Core Size
8-Bit
Speed
5MHz
Connectivity
SCI
Peripherals
LCD, PWM
Number Of I /o
84
Program Memory Size
60KB (60K x 8)
Program Memory Type
OTP
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Receiving: Figure 10.19 shows a typical flow chart for receiving data. After SCI3 initialization,
follow the procedure below.
282
1
2
3
Read received data in RDR
4
Clear bit RE in SCR3 to 0
Read bit RDRF in SSR
Read bit OER in SSR
Clear bit OER in
error processing
Figure 10.19 Typical Data Receiving Flow Chart in Synchronous Mode
Overrun error
Start overrun
End overrun
RDRF = 1?
processing
processing
receiving?
OER = 1?
Continue
SSR to 0
Start
End
Yes
No
No
4
Overrun error processing
Yes
Yes
No
1. Read bit OER in the serial status register (SSR)
2.
3.
4.
to determine if an error has occurred. If an
overrun error has occurred, overrun error
processing is executed.
Read the serial status register (SSR), and after
confirming that bit RDRF = 1, read received
data from the receive data register (RDR).
When data is read from RDR, RDRF is
automatically cleared to 0.
To continue receiving data, read bit RDRF and
read the received data in RDR before the MSB
(bit 7) of the present frame is received.
When data is read from RDR, RDRF is
automatically cleared to 0.
When an overrun error occurs, read bit OER in
SSR. After the necessary error processing,
be sure to clear OER to 0.
Data receiving cannot be resumed while bit
OER is set to 1.
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