DF2398F20V Renesas Electronics America, DF2398F20V Datasheet - Page 474
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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Manufacturer:
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12.3.3
TCNT is cleared at the rising edge of an external reset input, depending on the settings of the CCLR1 and CCLR0 bits in
TCR. The clear pulse width must be at least 1.5 states. Figure 12-7 shows the timing of this operation.
12.3.4
The OVF in TCSR is set to 1 when the timer count overflows (changes from H'FF to H'00). Figure 12-8 shows the timing
of this operation.
Rev.6.00 Oct.28.2004 page 444 of 1016
REJ09B0138-0600H
Timing of External RESET on TCNT
Timing of Overflow Flag (OVF) Setting
ø
External reset
input pin
Clear signal
TCNT
ø
TCNT
Overflow signal
OVF
Figure 12-7 Timing of External Reset
Figure 12-8 Timing of OVF Setting
N–1
H'FF
N
H'00
H'00
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