HD6417708SF60V Renesas Electronics America, HD6417708SF60V Datasheet - Page 403

• Manufacturer Part Number: HD6417708SF60V
• Description: IC SUPERH MPU ROMLESS 208LQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

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: -

Figures 13.13 (a) and (b) show examples of SCI receive operation using a multiprocessor format.
Figure 13.13 (a) Example of SCI Receive Operation: Own ID Does Not Match Data (8-Bit
RDRF
Serial
RDRF
MPIE
(multiprocessor interrupt),
value
Serial
RDR
MPIE
value
data
RDR
data
RXI interrupt request
Figure 13.13 (b) Example of SCI Receive Operation: Own ID Matches Data
1
MPIE = 0
1
(multiprocessor
RXI interrupt
Start
Start
bit
interrupt),
0
MPIE = 0
bit
0
request
(8-Bit Data with Multiprocessor Bit and One Stop Bit)
D
D
(ID1)
Data
0
Data with Multiprocessor Bit and One Stop Bit)
0
(ID2)
ID1
Data
D
D
1
1
handler reads RDR
D
data and clears
RXI interrupt handler
D
RXI interrupt
RDRF bit to 0
7
7
reads RDR data
MPB
MPB
RDRF bit to 0
and clears
1
1
Stop
bit
Stop
1
bit
1
Start
Start
bit
0
bit
0
(data 1)
D
D
(Data 2)
Data
ID, so MPIE bit is
ID is not station’s
0
0
Data
set to 1 again
continues unchanged
and data is received
D
by the RXI interrupt
ID is that of station,
D
1
1
so reception
handler
D
ID2
D
7
ID1
7
MPB
MPB
0
0
No RXI interrupt,
is maintained
Stop
Stop
bit
RDR state
1
bit
1
MPIE bit
set to 1
again
Data2
(mark)
(mark)
state
state
Idle
Idle
1
1
383