參數(shù)資料
型號(hào): EM78P809NM
廠商: ELAN Microelctronics Corp .
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁(yè)數(shù): 15/75頁(yè)
文件大?。?/td> 531K
代理商: EM78P809NM
EM78P809N
8-Bit Microcontroller
Product Specification
(V1.0) 07.26.2005
(This specification is subject to change without further notice)
11
PORT9
Port 9 I/O Data Register ( Address: 09h )
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P97
P96
P95
P94
P93
P92
P91
P90
Bit 7 ~ Bit 0 ( P97 ~ P90 ) :
8-bit Port 97 ~ Port 90 I/O data register
User can use IOC9 register to define each bit whether input or output.
TC4CR
Timer/Counter 4 Control Register ( Address: 0Bh )
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
TC4FF1
TC4FF0
TC4S
TC4CK2
TC4CK1
TC4CK0
TC4M1
TC4M0
Bit 7 ~ Bit 6 ( TC4FF1 ~ TC4FF0 ) :
Timer/Counter4 flip-flop control.
TC4FF1
TC4FF0
Operating Mode
0
0
Clear
0
1
Toggle
1
0
Set
1
1
Reserved
Bit 5 ( TC4S ) :
Timer/Counter 4 start control.
TC4S = “0” :
Stop and clear counter
TC4S = “1” :
Start
Bit 4 ~ Bit 2 ( TC4CK2 ~ TC4CK 0 )
: Timer/Counter 4 Clock Source Select
Clock Source
( Normal, Idle )
TC4CK2
TC4CK1 TC4CK0
Resolution
( Fosc=8M )
Max. Time
( Fosc=8M )
0
0
0
Fc/2^11
250uS
64mS
0
0
1
Fc/2^7
16uS
4mS
0
1
0
Fc/2^5
4uS
1mS
0
1
1
Fc/2^3
1uS
255uS
1
0
0
Fc/2^2
500nS
127.5uS
1
0
1
Fc/2^1
250nS
63.8uS
1
1
0
Fc
125nS
31.9uS
1
1
1
External clock (TC4 pin)
--
--
Bit 1 ~ Bit 0 ( TC4M1 ~ TC4M0 ) :
Timer/Counter 4 Operating Mode Select
TC4M1
TC4M0
Operating Mode
0
0
Timer/Counter
0
1
Reserved
1
0
Programmable Divider output
1
1
Pulse Width Modulation output
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