HD6417011VX20V Renesas Electronics America, HD6417011VX20V Datasheet - Page 237

• Manufacturer Part Number: HD6417011VX20V
• Description: MPU 5V 0K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7010r

Specifications of HD6417011VX20V

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, SCI
• Peripherals: POR, PWM
• Number Of I /o: 11
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 7x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Figures 12.12 show examples of SCI receive operation using a multiprocessor format.
Figure 12.12 SCI Receive Operation (8-Bit Data with Multiprocessor Bit and One Stop Bit)
RDRF
RDRF
Serial
MPIE
value
Serial
RxI interrupt request
MPIE
value
MPB
RDR
interrupt), MPIE = 0
MPB
RDR
data
data
(multiprocessor
RxI interrupt request
interrupt), MPIE = 0
(multiprocessor
1
1
Start
Start
bit
bit
0
0
D0
D0 D1
(ID2)
Data
(ID1)
ID1
Data
D1
and clears RDRF to 0
RxI interrupt handler
and clears RDRF to 0
RxI interrupt handler
reads data in RDR
reads data in RDR
D7
D7
MPB
MPB
(a) ID Does Not Match
1
1
(b) ID Matches
Stop
Stop
bit
bit
1
1
Start
Start
bit
0
bit
0
interrupt processing routine
D0
(data 1)
(data 2)
D0
Station’s ID, so receiving
ID2
Data
Data
ID, so MPIE is
continues, with data
set to 1 again
received by the RxI
Not station’s
D1
D1
D7
D7
ID1
MPB
MPB
0
0
No RxI interrupt,
RDR maintains
Stop
Stop
bit
1
bit
1
(marking)
state
bit is again
(marking)
set to 1
Data2
MPIE
Idling
Idling
1
1
227