参数资料
型号: AT83EB5114XXXTGRIL
厂商: ATMEL CORP
元件分类: 微控制器/微处理器
英文描述: Low-pin-count 8-bit microcontroller with A/D converter
中文描述: 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PDSO20
封装: SO-20
文件页数: 51/95页
文件大小: 1126K
代理商: AT83EB5114XXXTGRIL
51
4311A–8051–01/05
content of the W1R0 registers (see Figure 21.). This method allows to change frequency
and duty cycle without glitch.
Note:
If the PWMU1 is Off (W1R bit in W0CON not set), W1RnH and W1RnL contents are
automatically copied on the shadow registers SW1RnH and SW1RnLn and the contents
of W1FH and W1FL are automatically copied on the shadow registers SW1FH and
SW1FL. This allows to charge the correct comparison values for each PWM module as
soon as the PWMU1 timer/counter is turned on.
Figure 21.
PWMU1 Interrupt System
The W1INV0 bit that allows output inversion is on the W1CON (W1 Control) register
(See Table 34.).
Table 39.
W1R0H: PWMU1 module 0 High Toggle Register
W1R0H - PWMU1 Module 0 High Toggle Register (C9h)
Reset Value = 0000 0000b
Not bit addressable
Table 40.
W1R0L: PWMU1 module 0 Low Toggle Register
W1R0L - PWMU1 Module 0 Low Toggle Register (CAh)
Reset Value = 0000 0000b
Not bit addressable
7
6
5
4
3
2
1
0
W1R0H15
W1R0H14
W1R0H13
W1R0H12
W1R0H11
W1R0H10
W1R0H9
W1R0H8
Bit
Number
Bit
Mnemonic
Description
7-0
W1R0H
15-8
PWMU1 Module 0 high toggle register
When the counter exceeds this value, module 0 output toggles.
7
6
5
4
3
2
1
0
W1R0L7
W1R0L6
W1R0L5
W1R0L4
W1R0L3
W1R0L2
W1R0L1
W1R0L0
Bit
Number
Bit
Mnemonic
Description
7-0
W1R0L7-0
PWMU1 Module 0 low toggle register
When the counter exceeds this value, module 0 output toggles.
W1CH
W1CL
SW1R0H
SW1R0L
W1R0H
W1R0L
16 bits-comparator
<
overtaking
Module 0 output
W1INV0
W1UP
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