DF2117VT20V Renesas Electronics America, DF2117VT20V Datasheet - Page 480
DF2117VT20V
Manufacturer Part Number
DF2117VT20V
Description
MCU 16BIT FLASH 3V 160K 144-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheet
1.DF2117VT20HV.pdf
(1040 pages)
Specifications of DF2117VT20V
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
FIFO, I²C, LPC, SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
112
Program Memory Size
160KB (160K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-TQFP, 144-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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15.5.2
Figure 15.13 shows a sample flowchart for multiprocessor serial data reception. If the MPIE bit in
SCR is set to 1, data is skipped until data with a 1 multiprocessor bit is sent. On receiving data
with a 1 multiprocessor bit, the receive data is transferred to RDR. An RXI interrupt request is
generated at this time. All other SCI operations are the same as in asynchronous mode. Figure
15.12 shows an example of SCI operation for multiprocessor format reception.
Rev. 2.00 Sep. 28, 2009 Page 438 of 994
REJ09B0452-0200
MPIE
RDRF
RDR
value
MPIE
RDRF
RDR
value
Multiprocessor Serial Data Reception
1
1
(Example with 8-Bit Data, Multiprocessor Bit, One Stop Bit)
Start
bit
Start
bit
0
0
Figure 15.12 Example of SCI Operation in Reception
MPIE = 0
MPIE = 0
D0
D0
ID1
D1
D1
Data (ID1)
Data (ID2)
RXI interrupt
request
(multiprocessor
interrupt)
generated
RXI interrupt
request
(multiprocessor
interrupt)
generated
(a) Data does not match station's ID
D7
D7
(b) Data matches station's ID
MPB
MPB
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 (Data 1)
Data (Data 2)
ID2
ID1
D7
D7
MPB
MPB
0
0
RXI interrupt request is
not generated, and RDR
retains its state
Stop
bit
Stop
bit
1
1
MPIE bit set to 1
again
Idle state
(mark state)
Idle state
(mark state)
Data 2
1
1
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