DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 345

• Manufacturer Part Number: DF3052BX25V
• Description: MCU 5V 512K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3052BX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 512KB (512K 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: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

10.2
10.2.1
TSTR is an 8-bit readable/writable register that starts and stops the timer counter (TCNT) in
channels 0 to 4.
Bit
Initial value
Read/Write
TSTR is initialized to H'E0 by a reset and in standby mode.
Bits 7 to 5—Reserved: Read-only bits, always read as 1.
Bit 4—Counter Start 4 (STR4): Starts and stops timer counter 4 (TCNT4).
Bit 3—Counter Start 3 (STR3): Starts and stops timer counter 3 (TCNT3).
Bit 2—Counter Start 2 (STR2): Starts and stops timer counter 2 (TCNT2).
Bit 4: STR4
0
1
Bit 3: STR3
0
1
Bit 2: STR2
0
1
Register Descriptions
Timer Start Register (TSTR)
—
—
7
1
Description
TCNT3 is halted
TCNT3 is counting
Description
TCNT2 is halted
TCNT2 is counting
Description
TCNT4 is halted
TCNT4 is counting
Reserved bits
—
—
6
1
—
—
5
1
STR4
R/W
4
0
Section 10 16-Bit Integrated Timer Unit (ITU)
STR3
Rev. 3.00 Mar 21, 2006 page 315 of 814
R/W
3
0
Counter start 4 to 0
These bits start and
stop TCNT4 to TCNT0
STR2
R/W
2
0
STR1
R/W
1
0
REJ09B0302-0300
(Initial value)
(Initial value)
(Initial value)
STR0
R/W
0
0