DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 570
![IC H8S MCU FLASH 128K 100-QFP](/photos/28/61/286108/100-tqfp_sml.jpg)
DF2148ATE20
Manufacturer Part Number
DF2148ATE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148ATE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
Host Interface, I²C, IrDA, SCI
Peripherals
POR, 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 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
HD64F2148ATE20
HD64F2148ATE20
HD64F2148ATE20
Available stocks
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Company:
Part Number:
DF2148ATE20IV
Manufacturer:
Renesas Electronics America
Quantity:
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Part Number:
DF2148ATE20IV
Manufacturer:
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Quantity:
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Section 16 I
(6) Write data to ICDR (slave address + R/W)
(7) When one frame of data has been transmitted, the IRIC flag is set to 1 at the rise of the 9th
(8) Read the ACKB bit to confirm that ACKB is 0. When the slave device has not returned an
(9) Write the next data to be transmitted in ICDR. To indicate the end of data transfer, clear the
(10) When one frame of data has been transmitted, the IRIC flag is set to 1 at the rise of the 9th
(11) Read the ACKB bit of ICSR. Confirm that the slave device has returned an acknowledge
(12) Clear the IRIC flag to 0. Write BBSY and SCP of ICCR to 0. By doing so, SDA is changed
Rev. 4.00 Sep 27, 2006 page 524 of 1130
REJ09B0327-0400
With the I
data following the start condition indicates the 7-bit slave address and transmit/receive
direction.
Then clear the IRIC flag to indicate the end of transfer.
Writing to ICDR and clearing of the IRIC flag must be executed continuously, so that no
interrupt is inserted.
If a period of time that is equal to transfer one byte has elapsed by the time the IRlC flag is
cleared, the end of transfer cannot be identified.
The master device sequentially sends the transmit clock and the data written to ICDR with the
timing shown in figure 16.7. The selected slave device (i.e., the slave device with the
matching slave address) drives SDA low at the 9th transmit clock pulse and returns an
acknowledge signal.
transmit clock pulse. After one frame has been transmitted, SCL is automatically fixed low in
synchronization with the internal clock until the next transmit data is written.
acknowledge signal and ACKB remains 1, execute the transmit end processing described in
step (12) and perform transmit operation again.
IRIC flag to 0.
As described in step (6) above, writing to ICDR and clearing of the IRIC flag must be
executed continuously so that no interrupt is inserted.
The next frame is transmitted in synchronization with the internal clock.
transmit clock pulse. After one frame has been transmitted, SCL is automatically fixed low in
synchronization with the internal clock until the next transmit data is written.
signal and ACKB is 0. When more data is to be transmitted, return to step (9) to execute next
transmit operation. If the slave device has not returned an acknowledge signal and ACKB is 1,
execute the transmit end processing described in step (12).
from low to high while SCL is high and the transmit stop condition is generated.
2
C Bus Interface [Option]
2
C bus format (when the FS bit in SAR or the FSX bit in SARX is 0), the first frame
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