参数资料
型号: AT89EB5114-TGSIL
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, FLASH, 40 MHz, MICROCONTROLLER, PDSO20
封装: SO-20
文件页数: 49/95页
文件大小: 1126K
代理商: AT89EB5114-TGSIL
49
4311A–8051–01/05
Table 34.
W1CON: PWMU1 Control Register
W1CON - PWMU1 Control Register (F8h)
Reset Value = 000’RST_OCLK’ 000’RST_OCLK’b
Bit addressable
Table 35.
W1FH: PWMU1 frequency high control register
W1FH - PWMU1 Frequency Control Register (FAh)
Reset Value = 1111 1111b
Not bit addressable
7
6
5
4
3
2
1
0
W1UP
W1R
-
W1OCLK
W1CPS1
W1CPS0
W1INV0
W1EN0
Bit
Number
Bit
Mnemonic
Description
7
W1UP
PWMU1 update bit
Set by software to request the load of all shadow registers on the next
overtaking of the W1C counter. Reset by hardware after the loading of the
shadow registers
6
W1R
PWMU1 Run control bit
Set by software to turn the PWMU1 counter on. Must be cleared by software to
turn the PWMU1 counter off.
5
-
Not used
4
W1OCLK
Output Clocking Control bit.
This bit allows to choose between the output clocking signal and the PWM1M0
output.
If set, the external clocking is chosen, if clear, PWM1M0 is chosen.
3
W1CPS1
PWMU1 Count Pulse Select bit1
2
W1CPS0
PWMU Count Pulse Select bit0
CPS1 CPS0 Selected PWMU1 input
00 Internal clock f
CkIdle
01 Reserved
10 Timer 1 Overflow
11 External clock input on W1CI at max rate = f
CkIdle
/4
1
W1INV0
PWMU1 Module 0 inverter bit
Select the output PWM mode. If set, PWM module 0 output starts with high
level.
0
W1EN0
PWMU1 Module 0 enable bit
Enable PWMU1 module 0 if set. If clear, P3.5 is an I/O port.
7
6
5
4
3
2
1
0
W1F15
W1F14
W1F13
W1F12
W1F11
W1F10
W1F9
W1F8
Bit
Number
Bit
Mnemonic
Description
7-0
W1F15-8
PWMU1 high bits counter control frequency
The PWMU1 counter is counting from zero up to W1F15-0 value.
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