DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 447
DF2148BTE20
Manufacturer Part Number
DF2148BTE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148BTE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SCI, X-Bus
Peripherals
PWM, WDT
Number Of I /o
74
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K 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
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2148BTE20
HD64F2148BTE20
HD64F2148BTE20
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2148BTE20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Figure 15.13 Sample Multiprocessor Serial Reception Flowchart (1)
Read ORER and FER flags in SSR
Read ORER and FER flags in SSR
Read receive data in RDR
Read receive data in RDR
Set MPIE bit in SCR to 1
Read RDRF flag in SSR
Read RDRF flag in SSR
Clear RE bit in SCR to 0
All data received?
FER ∨ ORER = 1
FER ∨ ORER = 1
This station’s ID?
Start reception
Initialization
RDRF = 1
RDRF = 1
<End>
Yes
Yes
Yes
Yes
No
No
Section 15 Serial Communication Interface (SCI and IrDA)
Yes
No
Yes
Error processing
[3]
[1]
[2]
(Continued on
next page)
[4]
[5]
[1] SCI initialization:
[2] ID reception cycle:
[3] SCI status check, ID reception and
[4] SCI status check and data reception:
[5] Receive error processing and break
Legend:
∨
: Logical OR
Rev. 3.00 Mar 21, 2006 page 391 of 788
The RxD pin is automatically designated
as the receive data input pin.
Set the MPIE bit in SCR to 1.
comparison:
Read SSR and check that the RDRF
flag is set to 1, then read the receive
data in RDR and compare it with this
station’s ID.
If the data is not this station’s ID, set the
MPIE bit to 1 again, and clear the RDRF
flag to 0.
If the data is this station’s ID, clear the
RDRF flag to 0.
Read SSR and check that the RDRF
flag is set to 1, then read the data in
RDR.
detection:
If a receive error occurs, read the ORER
and FER flags in SSR to identify the
error. After performing the appropriate
error processing, ensure that the ORER
and FER flags are all cleared to 0.
Reception cannot be resumed if either
of these flags is set to 1.
In the case of a framing error, a break
can be detected by reading the RxD pin
value.
REJ09B0300-0300
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