HD64F2168VTE33 Renesas Electronics America, HD64F2168VTE33 Datasheet - Page 547
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HD64F2168VTE33
Manufacturer Part Number
HD64F2168VTE33
Description
Manufacturer
Renesas Electronics America
Datasheet
1.HD64F2168VTE33.pdf
(876 pages)
Specifications of HD64F2168VTE33
Cpu Family
H8S
Device Core Size
16/32Bit
Frequency (max)
33MHz
Interface Type
I2C/IrDA/SCI
Program Memory Type
Flash
Program Memory Size
256KB
Total Internal Ram Size
40KB
# I/os (max)
106
Number Of Timers - General Purpose
5
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
On-chip Adc
8-chx10-bit
On-chip Dac
2-chx8-bit
Instruction Set Architecture
CISC
Operating Temp Range
-20C to 75C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
144
Package Type
TQFP
Lead Free Status / Rohs Status
Not Compliant
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14. Note on ACKE and TRS bits in slave mode
15. Notes on Arbitration Lost in Master Mode Operation
In the I
mode (TRS = 1) and then the address is received in slave mode without performing appropriate
processing, interrupt handling may start at the rising edge of the 9th clock pulse even when the
address does not match. Similarly, if the start condition and address are transmitted from the
master device in slave transmit mode (TRS = 1), the ICDRE flag is set, and 1 is received as the
acknowledge bit value (ACKB = 1), the IRIC flag may be set thus causing an interrupt source
even when the address does not match.
To use the I
When having received 1 as the acknowledge bit value for the last transmit data at the end
Set receive mode (TRS = 0) before the next start condition is input in slave mode.
The I
arbitration is lost in master mode and a transition to slave receive mode is automatically
carried out.
When arbitration is lost not in the first frame but in the second frame or subsequent frame,
transmit/receive data that is not an address is compared with the value set in the SAR or SARX
register as an address. If the receive data matches with the address in the SAR or SARX
register, the I
figure 15.35.)
In multi-master mode, a bus conflict could happen. When the I
master mode, check the state of the AL bit in the ICSR register every time after one frame of
data has been transmitted or received.
When arbitration is lost during transmitting the second frame or subsequent frame, take
avoidance measures.
of a series of transmit operation, clear the ACKE bit in ICCR once to initialize the ACKB
bit to 0.
Complete transmit operation by the procedure shown in figure 15.23, in order to switch
from slave transmit mode to slave receive mode.
2
C bus interface recognizes the data in transmit/receive frame as an address when
2
C bus interface, if 1 is received as the acknowledge bit value (ACKB = 1) in transmit
2
C bus interface module in slave mode, be sure to follow the procedures below.
2
C bus interface erroneously recognizes that the address call has occurred. (See
Rev. 3.00, 03/04, page 505 of 830
2
C bus interface is operated in
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