DF2367VF33 Renesas Electronics America, DF2367VF33 Datasheet - Page 736
DF2367VF33
Manufacturer Part Number
DF2367VF33
Description
MCU 3V 384K 128-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.DF2368VTE34V.pdf
(1044 pages)
Specifications of DF2367VF33
Core Processor
H8S/2000
Core Size
16-Bit
Speed
33MHz
Connectivity
I²C, IrDA, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
84
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
128-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2367VF33
HD64F2367VF33
HD64F2367VF33
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Section 16 A/D Converter
16.7
16.7.1
Operation of the A/D converter can be disabled or enabled using the module stop control register.
The initial setting is for operation of the A/D converter to be halted. Register access is enabled by
clearing module stop mode. For details, refer to section 23, Power-Down Modes.
16.7.2
This LSI’s analog input is designed so that conversion precision is guaranteed for an input signal
for which the signal source impedance is 5 kΩ 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 kΩ, charging may be insufficient and it may not be
possible to guarantee the A/D conversion precision. However, if a large capacitance is provided
externally for conversion in single mode, the input load will essentially comprise only the internal
input resistance of 10 kΩ, 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., 5 mV/μs or greater) (see figure 16.6). When converting a high-speed
analog signal or conversion in scan mode, a low-impedance buffer should be inserted.
Rev.6.00 Mar. 18, 2009 Page 676 of 980
REJ09B0050-0600
Sensor input
Usage Notes
Module Stop Mode Setting
Permissible Signal Source Impedance
Sensor output
impedance
Up to 10
Low-pass
filter
C to 0.1 μF
kΩ
Figure 16.6 Example of Analog Input Circuit
This LSI
Cin =
15 pF
Equivalent circuit of A/D converter
10
kΩ
20 pF
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