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參數(shù)資料
| 型號： | EM78P5830AM |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | 8-BIT MICRO-CONTROLLER |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 33/43頁 |
| 文件大?。?/td> | 396K |
| 代理商： | EM78P5830AM |
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EM785830AA
8-bit Micro-controller
__________________________________________________________________________________________________________________________________________________________________
* This specification is subject to be changed without notice.
12/1/2004 V1.6
VII.9 Code Option
CODE Option Register
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit 3(MER) : Memory error recover function
0
disable memory error recover function
1
enable memory error recovery function
If user enable memory error recovery function, MCU will improve effect from environment noise
.
Bit 9: This bit must set to 1.
Bit10 ~ Bit11 : These 2 bits must clear to 0.
0
0
1
MER
VII.10 Dual sets of PWM (Pulse Width Modulation)
(1) Overview
In PWM mode, both PWM1 and PWM2 pins produce up to a 10-bit resolution PWM output (see. Fig.12
for the functional block diagram). A PWM output has a period and a duty cycle, and it keeps the output in
high. The baud rate of the PWM is the inverse of the period. Fig.13 depicts the relationships between a
period and a duty cycle.
Data Bus
Data Bus
PRD1
Comparator
Comparator
TMR1H + TMR1L
S
R
Q
MUX
Duty Cycle
Match
Period
Match
PWM1
T1P0 T1P1 T1EN
IOC6
PRD2
Comparator
Comparator
S
R
Q
MUX
Duty Cycle
Match
Period
Match
PWM2
T2P0 T2P1 T2EN
IOC6
To PWM1IF
To PWM2IF
reset
reset
latch
latch
1:2
1:8
1:32
1:64
Fosc
1:2
1:8
1:32
1:64
Fosc
TMR2H + TMR2L
DT2H
+
DT2L
DT2H
+
DT2L
DL2H + DL2L
DL2H + DL2L
Fig.12 The Functional Block Diagram of the Dual PWMs
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