HD6473834HV Renesas Electronics America, HD6473834HV Datasheet - Page 307

• Manufacturer Part Number: HD6473834HV
• Description: MCU 5V 32K PB-FREE 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Lr

Specifications of HD6473834HV

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 5MHz
• Connectivity: SCI
• Peripherals: LCD, PWM
• Number Of I /o: 71
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: OTP
• Ram Size: 1K 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: Lead free / RoHS Compliant
• Eeprom Size: -

Figure 10.26 gives an example of data reception using a multiprocessor format.
290
SCI3 operation
User processing
SCI3 operation
User processing
Serial
data
MPIE
RDRF
RDR
value
Serial
data
MPIE
RDRF
RDR
value
1
1
Start
bit
Start
bit
Figure 10.26 Example of Multiprocessor Format Receive Operation
0
0
D0
D0
(8-Bit Data, Multiprocessor Bit Added, and 1 Stop Bit)
RXI request
MPIE cleared to 0
RXI request
MPIE cleared to 0
ID1
D1
D1
Receive
data (ID1)
Receive
data (ID2)
1 frame
1 frame
(a) Data does not match own ID
D7
D7
(b) Data matches own ID
MPB
MPB
1
1
RDRF cleared to 0
Read data from RDR
RDRF cleared to 0
Read data from RDR
Stop
bit
Stop
bit
1
1
Start
bit
Start
bit
0
0
D0
D0
ID2
Receive
data (data 1)
Receive
data (data 2)
D1
D1
If not own ID,
set MPIE to 1 again
1 frame
1 frame
If own ID, continue
receiving
RXI
request
ID1
D7
D7
MPB
MPB
0
0
RDRF
cleared
to 0
No RXI request
RDR state retained
Stop
bit
Stop
bit
1
1
Data 2
Mark
(idle state)
1
1
Mark
(idle state)
Read data
from RDR
and set
MPIE to 1
again