DF2357F20 Renesas Electronics America, DF2357F20 Datasheet - Page 534
DF2357F20
Manufacturer Part Number
DF2357F20
Description
IC H8S MCU FLASH 5V 128K 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.D12392F20V.pdf
(1049 pages)
Specifications of DF2357F20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
87
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
128-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
DF2357F20
Manufacturer:
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Quantity:
10 000
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Part Number:
DF2357F20IV
Manufacturer:
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Quantity:
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Figure 14-13 shows an example of SCI operation for multiprocessor format reception.
Rev.6.00 Oct.28.2004 page 504 of 1016
REJ09B0138-0600H
MPIE
RDRF
RDR
value
MPIE
RDRF
RDR
value
1
1
Start
bit
Start
bit
0
0
MPIE = 0
(Example with 8-Bit Data, Multiprocessor Bit, One Stop Bit)
MPIE = 0
D0
D0
Figure 14-13 Example of SCI Operation in Reception
ID1
D1
D1
RXI interrupt
request
(multiprocessor
interrupt)
generated
Data (ID2)
Data (ID1)
RXI interrupt
request
(multiprocessor
interrupt)
generated
D7
D7
(b) Data matches station’s ID
MPB
MPB
(a) Data does not match station’s ID
1
1
RDR data read
and RDRF flag
cleared to 0 in
RXI interrupt
service routine
RDR data read and
RDRF flag cleared
to 0 in RXI interrupt
service routine
Stop
bit
Stop
bit
1
1
Start
bit
Start
bit
0
0
D0
D0
If not this station’s ID,
MPIE bit is set to 1
again
Matches this station’s ID,
so reception continues, and
data is received in RXI
interrupt service routine
D1
D1
Data (Data2)
Data (Data1)
ID1
ID2
D7
D7
MPB
MPB
RXI interrupt request is
not generated, and RDR
retains its state
0
0
Stop
bit
Stop
bit
MPIE bit set to 1
again
1
1
Idle state
(mark state)
Idle state
(mark state)
1
1
Data2
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