HD6417032F20 Renesas Electronics America, HD6417032F20 Datasheet - Page 425
HD6417032F20
Manufacturer Part Number
HD6417032F20
Description
IC SUPERH MPU ROMLESS 112QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7030r
Datasheet
1.HD6417034AFI20.pdf
(689 pages)
Specifications of HD6417032F20
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 Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
112-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
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13.3.4
In 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 synchronous serial communication.
Figure 13.13 Example of SCI Receive Operation (Own ID Matches Data) (8-Bit Data with
RDRF
Serial
MPIE
value
MPB
RDR
data
Synchronous Operation
1
Start
(multiprocessor
bit
0
RXI request,
MPIE = 0
interrupt)
D
0
ID1
Multiprocessor Bit and One Stop Bit) (cont)
D
Data ID2
1
D
7
handler reads data
in RDR and clears
MPB
RXI interrupt
1
RDRF to 0
Stop
bit
1
Section 13 Serial Communication Interface (SCI)
Start
bit
0
D
Rev. 7.00 Jan 31, 2006 page 397 of 658
ID2
0
received at each RXI
Own ID, so receving
continues, with data
D
1
Data 2
D
7
MPB
0
REJ09B0272-0700
Stop
bit
1
Idle (mark)
bit is again
set to 1
Data2
MPIE
state
1
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