DF2398F20V Renesas Electronics America, DF2398F20V Datasheet - Page 434
DF2398F20V
Manufacturer Part Number
DF2398F20V
Description
IC H8S/2300 MCU FLASH 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of DF2398F20V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
87
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
128-QFP
For Use With
YR0K42378FC000BA - KIT EVAL FOR H8S/2378
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Price
Company:
Part Number:
DF2398F20V
Manufacturer:
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Quantity:
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DF2398F20V
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10.7
Note that the kinds of operation and contention described below occur during TPU operation.
Input Clock Restrictions: The input clock pulse width must be at least 1.5 states in the case of single-edge detection, and
at least 2.5 states in the case of both-edge detection. The TPU will not operate properly with a narrower pulse width.
In phase counting mode, the phase difference and overlap between the two input clocks must be at least 1.5 states, and the
pulse width must be at least 2.5 states. Figure 10-48 shows the input clock conditions in phase counting mode.
Caution on Period Setting: When counter clearing by compare match is set, TCNT is cleared in the final state in which it
matches the TGR value (the point at which the count value matched by TCNT is updated). Consequently, the actual
counter frequency is given by the following formula:
Where
Rev.6.00 Oct.28.2004 page 404 of 1016
REJ09B0138-0600H
f =
Usage Notes
f
ø : Operating frequency
N : TGR set value
(N + 1)
: Counter frequency
ø
TCLKA
(TCLKC)
TCLKB
(TCLKD)
Notes: Phase difference and overlap
Figure 10-48 Phase Difference, Overlap, and Pulse Width in Phase Counting Mode
Pulse width
Overlap
Pulse width
Phase
differ-
ence
Overlap
: 1.5 states or more
: 2.5 states or more
Phase
differ-
ence
Pulse width
Pulse width
Pulse width
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