HD64F3026X25 Renesas Electronics America, HD64F3026X25 Datasheet - Page 316
![MCU 3V 256K 100-TQFP](/photos/28/61/286123/100-tqfp__100-vqfp_sml.jpg)
HD64F3026X25
Manufacturer Part Number
HD64F3026X25
Description
MCU 3V 256K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.DF3026XBL25V.pdf
(843 pages)
Specifications of HD64F3026X25
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
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F3026X25
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 316 of 843
- Download datasheet (5Mb)
Section 9 8-Bit Timers
9.2
9.2.1
Initial value
Read/Write
Initial value
Read/Write
The timer counters (8TCNT) are 8-bit readable/writable up-counters that increment on pulses
generated from an internal or external clock source. The clock source is selected by clock select
bits 2 to 0 (CKS2 to CKS0) in the timer control register (8TCR). The CPU can always read or
write to the timer counters.
The 8TCNT0 and 8TCNT1 pair, and the 8TCNT2 and 8TCNT3 pair, can each be accessed as a
16-bit register by word access.
8TCNT can be cleared by an input capture signal or compare match signal. Counter clear bits 1
and 0 (CCLR1 and CCLR0) in 8TCR select the method of clearing.
When 8TCNT overflows from H'FF to H'00, the overflow flag (OVF) in the timer control/status
register (8TCSR) is set to 1.
Each 8TCNT is initialized to H'00 by a reset and in standby mode.
Rev. 2.00 Sep 20, 2005 page 276 of 800
REJ09B0260-0200
Bit
Bit
Register Descriptions
Timer Counters (8TCNT)
R/W
R/W
15
15
0
0
R/W
R/W
14
14
0
0
R/W
R/W
13
13
0
0
R/W
R/W
8TCNT0
8TCNT2
12
12
0
0
R/W
R/W
11
11
0
0
R/W
R/W
10
10
0
0
R/W
R/W
9
0
9
0
R/W
R/W
8
0
8
0
R/W
R/W
7
0
7
0
R/W
R/W
6
0
6
0
R/W
R/W
5
0
5
0
R/W
R/W
8TCNT1
8TCNT3
4
0
4
0
R/W
R/W
3
0
3
0
R/W
R/W
2
0
2
0
R/W
R/W
1
0
1
0
R/W
R/W
0
0
0
0
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