DF3026X25V Renesas Electronics America, DF3026X25V Datasheet - Page 267
![MCU 3V 256K PB-FREE 100-TQFP](/photos/28/61/286123/100-tqfp__100-vqfp_sml.jpg)
DF3026X25V
Manufacturer Part Number
DF3026X25V
Description
MCU 3V 256K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3026X25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
PWM, WDT
Number Of I /o
70
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3026X25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Bit 0—Overflow Flag 0 (OVF0): This status flag indicates 16TCNT0 overflow.
Bit 0
OVF0
0
1
8.2.7
16TCNT is a 16-bit counter. The 16-bit timer has three 16TCNTs, one for each channel.
Channel
0
1
2
Each 16TCNT is a 16-bit readable/writable register that counts pulse inputs from a clock source.
The clock source is selected by bits TPSC2 to TPSC0 in 16TCR.
16TCNT0 and 16TCNT1 are up-counters. 16TCNT2 is an up/down-counter in phase counting
mode and an up-counter in other modes.
16TCNT can be cleared to H'0000 by compare match with GRA or GRB or by input capture to
GRA or GRB (counter clearing function).
When 16TCNT overflows (changes from H'FFFF to H'0000), the OVF flag is set to 1 in TISRC of
the corresponding channel.
When 16TCNT underflows (changes from H'0000 to H'FFFF), the OVF flag is set to 1 in TISRC
of the corresponding channel.
Bit
Initial value
Read/Write
Timer Counters (16TCNT)
Description
[Clearing condition]
Read OVF0 flag when OVF0 =1, then write 0 in OVF0 flag
[Setting condition]
16TCNT0 overflowed from H'FFFF to H'0000
Abbreviation
16TCNT0
16TCNT1
16TCNT2
R/W
15
0
R/W
14
0
R/W
13
0
R/W
12
0
R/W
11
0
Function
Up-counter
Phase counting mode: up/down-counter
Other modes: up-counter
R/W
10
0
R/W
9
0
R/W
8
0
R/W
Rev. 2.00 Sep 20, 2005 page 227 of 800
7
0
R/W
6
0
R/W
5
0
R/W
4
0
Section 8 16-Bit Timer
R/W
3
0
REJ09B0260-0200
R/W
2
0
(Initial value)
R/W
1
0
R/W
0
0
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