HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 401
HD6477021X20V
Manufacturer Part Number
HD6477021X20V
Description
MCU 5V 32K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7020r
Datasheet
1.HD6417020SVX12IV.pdf
(511 pages)
Specifications of HD6477021X20V
Core Processor
SH-1
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (32K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
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
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6477021X20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Figure 13.13 Example of SCI Receive Operation (own ID matches data) (8-bit data with
13.3.4
In the clocked synchronous mode, the SCI transmits and receives data in synchronization with
clock pulses. This mode is suitable for high-speed serial communication.
The SCI transmitter and receiver share the same clock but are otherwise independent, so full
duplex communication is possible. The transmitter and receiver are also double buffered, so
continuous transmitting or receiving is possible by reading or writing data while transmitting or
receiving is in progress.
Figure 13.14 shows the general format in clocked synchronous serial communication.
RENESAS 384
RDRF
Serial
MPIE
value
interrupt) MPIE = 0
MPB
RDR
data
(multiprocessor
RXI request,
multiprocessor bit and one stop bit) (cont)
Clocked Synchronous Operation
1
Start
bit
0
D
0
D
Data ID1
1
handler reads data
in RDR and clears
D
RXI interrupt
RDRF to 0
7
MPB
1
Stop
bit
1
Start
bit
0
D
0
set to 1 again
Not own ID,
D
so MPIE is
1
Data 1
D
7
ID1
MPB
0
RDR maintains
Stop
bit
1
interrupt,
No RXI
state
Idle (mark
state)
1
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