DF2160BVTE10 Renesas Electronics America, DF2160BVTE10 Datasheet - Page 654
DF2160BVTE10
Manufacturer Part Number
DF2160BVTE10
Description
IC H8S MCU FLASH 64K 144TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheet
1.DF2160BVT10V.pdf
(847 pages)
Specifications of DF2160BVTE10
Core Processor
H8S/2000
Core Size
16-Bit
Speed
10MHz
Connectivity
Host Interface (LPC), I²C, IrDA, SCI, X-Bus
Peripherals
PWM, WDT
Number Of I /o
114
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
144-TQFP, 144-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2160BVTE10
HD64F2160BVTE10
HD64F2160BVTE10
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Section 21 A/D Converter
21.7
21.7.1
This LSI’s analog input (3-V version) is designed so that the conversion accuracy is guaranteed
for an input signal for which the signal source impedance is 5 k or less. This specification is
provided to enable the A/D converter’s sample-and-hold circuit input capacitance to be charged
within the sampling time; if the sensor output impedance exceeds 5 k , charging may be
insufficient and it may not be possible to guarantee the A/D conversion accuracy. However, if a
large capacitance is provided externally in single mode, the input load will essentially comprise
only the internal input resistance of 10 k , and the signal source impedance is ignored. However,
since a low-pass filter effect is obtained in this case, it may not be possible to follow an analog
signal with a large differential coefficient (e.g., voltage fluctuation ratio of 5 mV/µs or greater)
(see figure 21.7). When converting a high-speed analog signal or converting in scan mode, a low-
impedance buffer should be inserted. For details on the 5-V version, refer to section 28, Electrical
Characteristics.
21.7.2
Adding capacitance results in coupling with ground, and therefore noise in ground may adversely
affect the absolute accuracy. Be sure to make the connection to an electrically stable ground such
as AVss.
Care is also required to insure that filter circuits do not communicate with digital signals on the
mounting board, so acting as antennas.
Rev. 3.00 Mar 21, 2006 page 598 of 788
REJ09B0300-0300
Usage Notes
Permissible Signal Source Impedance
Influences on Absolute Accuracy
Sensor input
Sensor output
impedance
to 5 k
Low-pass
filter
C to 0.1 µF
Figure 21.7 Example of Analog Input Circuit
This LSI
C
15 pF
in
=
A/D converter equivalent circuit
10 k
20 pF
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