DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 521
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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16.4.6
If the slave address matches to the address in the first frame (address reception frame) following
the start condition detection when the 8th bit data (R/W) is 1 (read), the TRS bit in ICCR is
automatically set to 1 and the mode changes to slave transmit mode.
Figure 16.24 shows the sample flowchart for the operations in slave transmit mode.
No
Slave Transmit Operation
Write transmit data in ICDR
No
No
Clear ACKE to 0 in ICCR
Set TRS = 0 in ICCR
Read ACKB in ICSR
Slave transmit mode
Clear IRIC in ICCR
Clear IRIC in ICCR
Clear IRIC in ICCR
Read IRIC in ICCR
Clear IRIC in ICCR
Read IRIC in ICCR
(ACKB=0 clear)
of transmission
(ACKB = 1)?
Read ICDR
IRIC = 1?
IRIC = 1?
Figure 16.24 Sample Flowchart for Slave Transmit Mode
End
End
Yes
Yes
Yes
[3], [4] Wait for 1 byte to be transmitted.
[6] Read IRIC in ICCR
[1], [2] If the slave address matches to the address in the first frame
[7] Clear acknowledge bit data
[8] Set slave receive mode.
[9] Dummy read (to release the SCL line).
[10] Wait for stop condition
[3], [5] Set transmit data for the second and subsequent bytes.
[4] Determine end of transfer.
following the start condition detection and the R/W bit is 1
in slave recieve mode, the mode changes to slave transmit mode.
Section 16 I
Rev. 3.00 Mar 21, 2006 page 465 of 788
2
C Bus Interface (IIC) (Optional)
REJ09B0300-0300
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