HD64F2168VTE33 Renesas Electronics America, HD64F2168VTE33 Datasheet - Page 535
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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• The value of the ICMR register bit counter (BC2 to BC0)
• Generated interrupt sources (interrupt sources transferred to the interrupt controller)
Notes on Initialization:
• Interrupt flags and interrupt sources are not cleared, and so flag clearing measures must be
• Basically, other register flags are not cleared either, and so flag clearing measures must be
• If a flag clearing setting is made during transmission/reception, the IIC module will stop
The value of the BBSY bit cannot be modified directly by this module clear function, but since the
stop condition pin waveform is generated according to the state and release timing of the SCL and
SDA pins, the BBSY bit may be cleared as a result. Similarly, state switching of other bits and
flags may also have an effect.
To prevent problems caused by these factors, the following procedure should be used when
initializing the IIC state.
1. Execute initialization of the internal state according to the ICE bit clearing.
2. Execute a stop condition issuance instruction (write 0 to BBSY and SCP) to clear the BBSY
3. Re-execute initialization of the internal state according to the ICE bit clearing.
4. Initialize (re-set) the IIC registers.
taken as necessary.
taken as necessary.
transmitting/receiving at that point and the SCL and SDA pins will be released. When
transmission/reception is started again, register initialization, etc., must be carried out as
necessary to enable correct communication as a system.
bit to 0, and wait for two transfer rate clock cycles.
Rev. 3.00, 03/04, page 493 of 830
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