DF2148BFA20 Renesas Electronics America, DF2148BFA20 Datasheet - Page 528
![IC H8S MCU FLASH 128K 100-QFP](/photos/12/21/122166/qfp100-g1_pkg_sml.jpg)
DF2148BFA20
Manufacturer Part Number
DF2148BFA20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148BFA20
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-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2148BFA20
HD64F2148BFA20
HD64F2148BFA20
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Section 16 I
Table 16.7 Examples of Operation Using DTC
Item
Slave address +
R/W bit
transmission/
reception
Dummy data
read
Actual data
transmission/
reception
Dummy data
(H'FF) write
Last frame
processing
Transfer request
processing after
last frame
processing
Setting of
number of DTC
transfer data
frames
16.4.10 Noise Canceler
The logic levels at the SCL and SDA pins are routed through noise cancelers before being latched
internally. Figure 16.29 shows a block diagram of the noise canceler.
The noise canceler consists of two cascaded latches and a match detector. The SCL (or SDA) pin
input signal is sampled on the system clock, but is not passed forward to the next circuit unless the
outputs of both latches agree. If they do not agree, the previous value is held.
Rev. 3.00 Mar 21, 2006 page 472 of 788
REJ09B0300-0300
2
C Bus Interface (IIC) (Optional)
Master Transmit
Mode
Transmission by
DTC (ICDR write)
—
Transmission by
DTC (ICDR write)
—
Not necessary
1st time: Clearing
by CPU
2nd time: Stop
condition issuance
by CPU
Transmission:
Actual data count
+ 1 (+1 equivalent
to slave address +
R/W bits)
Master Receive
Mode
Transmission by
CPU (ICDR write)
Processing by
CPU (ICDR read)
Reception by
DTC (ICDR read)
—
Reception by
CPU (ICDR read)
Not necessary
Reception: Actual
data count
Slave Transmit
Mode
Reception by
CPU (ICDR read)
—
Transmission by
DTC (ICDR write)
Processing by
DTC (ICDR write)
Not necessary
Automatic clearing
on detection of stop
condition during
transmission of
dummy data (H'FF)
Transmission:
Actual data count
+ 1 (+1 equivalent
to dummy data
(H'FF))
Slave Receive
Mode
Reception by CPU
(ICDR read)
—
Reception by DTC
(ICDR read)
—
Reception by CPU
(ICDR read)
Not necessary
Reception: Actual
data count
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