DF2134AFA20V Renesas Electronics America, DF2134AFA20V Datasheet - Page 482
DF2134AFA20V
Manufacturer Part Number
DF2134AFA20V
Description
IC H8S/2100 MCU FLASH 80QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheets
1.HEWH8E10A.pdf
(19 pages)
2.D12312SVTE25V.pdf
(341 pages)
3.DF2134AFA20V.pdf
(1063 pages)
Specifications of DF2134AFA20V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
58
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
80-QFP
For Use With
3DK2166 - DEV EVAL KIT H8S/2166
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2134AFA20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 15 Serial Communication Interface (SCI, IrDA)
Serial Data Reception (Asynchronous Mode): Figure 15.7 shows a sample flowchart for serial
reception.
The following procedure should be used for serial data reception.
Rev. 4.00 Jun 06, 2006 page 426 of 1004
REJ09B0301-0400
No
No
Read receive data in RDR, and
clear RDRF flag in SSR to 0
PER
Clear RE bit in SCR to 0
Read RDRF flag in SSR
Read ORER, PER, and
Figure 15.7 Sample Serial Reception Data Flowchart
All data received?
FER flags in SSR
Start reception
Initialization
FER
RDRF = 1?
<End>
Yes
Yes
ORER = 1?
No
(Continued on next page)
Error handling
Yes
[1]
[2]
[4]
[5]
[3]
[1]
[2] [3]
[4]
[5]
SCI initialization:
The RxD pin is automatically
designated as the receive data
input pin.
break detection:
If a receive error occurs, read the
ORER, PER, and FER flags in
SSR to identify the error. After
performing the appropriate error
handling, ensure that the ORER,
PER, and FER flags are all
cleared to 0. Reception cannot
be resumed if any of these flags
are set to 1. In the case of a
framing error, a break can be
detected by reading the value of
the input port corresponding to
the RxD pin.
SCI status check and receive
data read :
Read SSR and check that RDRF
= 1, then read the receive data in
RDR and clear the RDRF flag to
0. Transition of the RDRF flag
from 0 to 1 can also be identified
by an RXI interrupt.
Serial reception continuation
procedure:
To continue serial reception,
before the stop bit for the current
frame is received, read the
RDRF flag, read RDR, and clear
the RDRF flag to 0. The RDRF
flag is cleared automatically
when the DTC is activated by an
RXI interrupt and the RDR value
is read.
Receive error handling and
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