DF2166VTE33 Renesas Electronics America, DF2166VTE33 Datasheet - Page 534
DF2166VTE33
Manufacturer Part Number
DF2166VTE33
Description
MCU FLASH 3V 512K 33MHZ 144TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheet
1.HS2168EPI61H-U.pdf
(876 pages)
Specifications of DF2166VTE33
Core Processor
H8S/2000
Core Size
16-Bit
Speed
33MHz
Connectivity
I²C, IrDA, LPC, SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
106
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
40K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-TQFP, 144-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
- Current page: 534 of 876
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15.4.9
The logic levels at the SCL and SDA pins are routed through noise cancelers before being latched
internally. Figure 15.28 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.
15.4.10 Initialization of Internal State
The IIC has a function for forcible initialization of its internal state if a deadlock occurs during
communication.
Initialization is executed in accordance with clearing ICE bit.
Scope of Initialization: The initialization executed by this function covers the following items:
• ICDRE and ICDRF internal flags
• Transmit/receive sequencer and internal operating clock counter
• Internal latches for retaining the output state of the SCL and SDA pins (wait, clock, data
The following items are not initialized:
• Actual register values (ICDR, SAR, SARX, ICMR, ICCR, ICSR, ICXR(other than ICDRE and
• Internal latches used to retain register read information for setting/clearing flags in the ICMR,
Rev. 3.00, 03/04, page 492 of 830
output, etc.)
ICDRF))
ICCR, and ICSR registers
Noise Canceler
SCL or
SDA input
signal
Sampling
clock
D
Figure 15.28 Block Diagram of Noise Canceler
Sampling clock
System clock
cycle
Latch
C
Q
D
Latch
C
Q
detector
Match
Internal
SCL or
SDA
signal
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