BMSKTOPASA900(DCE) Toshiba, BMSKTOPASA900(DCE) Datasheet - Page 344

• Manufacturer Part Number: BMSKTOPASA900(DCE)
• Description: KIT STARTER TMPA900 USB JTAG
• Manufacturer: Toshiba
• Series: TOPASr
• Type: MCUr

Specifications of BMSKTOPASA900(DCE)

• Contents: Evaluation Board, Cable(s), Software and Documentation
• For Use With/related Products: TMPA900CMXBG
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Timer0Control
Timer0Mode
Timer0Compare1
Timer0CmpEn
Timer0Control
Register
Example: Outputting the following PWM waveform on the PWM0OUT pin by using Timer 0
Bits
×: Don’ t care
channels of PWM output are output on the PWM0OUT (PC3) and PWM2OUT (PC4) pins.
decrement counter value reaches 0, the counter resumes counting down from “2
Timer 2.
•
Note: When using PWM function, be sure to select “periodic timer mode”, “16-bit counter” and “wrapping
value set in the Timer0Compare1 register or when the counter value set in
Timer0Mode<PWM Period> decrements to 0.
Block 1 and Block 2 are provided with two channels of the 16-bit PWM function. The two
The PWM0OUT output is inverted when the value of the decrement counter matches the
The Timer0Compare1 register can be set in a range of duty 0% to 100%. When the
The two channels have the same specifications and the above explanation also applies to
(1) To realize the PWM period of 5.1μs with T0 = 0.02 μs:
(2) Since the Low level period is 4.0 μs, the value to be set in Timer0Compare1 is
0x000000
0x000000
0x000000
0x000000
0x000000
M S B
[31:8]
PWM function support
operation” in the control register.
calculated as follows with T0 = 0.02 μs:
5.1μs ÷ 0.02 μs = 255 = 2
Therefore, n=8.
(5.1μs - 4.0 μs) / 0.02 μs = 55 = 0x37
with f
7
0
0
0
0
1
PCLK
4.0μs
5.1μs
×
6
1
0
0
1
= 100 MHz and TIMCLK = 50 MHz
×
5
0
1
0
1
1.1μs
4
0
0
1
0
0
×
TENTATIVE
3
0
0
0
0
TMPA900CM- 343
n
×
－1
2
0
1
0
0
×
1
0
1
0
1
L S B
×
0
0
1
1
0
[7]: Stops Timer 0.
[6], [5:4]: Selects PWM mode
[7:0]: Sets the compare value 0x37.
[0]: Enables compare.
[7]: Enables Timer 0 (Starts counting).
[6]: Selects periodic timer mode.
[5]: Enables timer interrupts.
[3:2]: Selects input clock T0.
[1]: Selects16-bit counter without exception.
[0]: Selects wrapping operation.
Sets PWM period to 2
Function
8
－1.
TMPA900CM
2009-10-14
n
－2”.