參數(shù)資料
型號: EM78P809NP
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
文件頁數(shù): 28/75頁
文件大小: 531K
代理商: EM78P809NP
EM78P809N
8-Bit Microcontroller
24
Product Specification (V1.0) 07.26.2005
(This specification is subject to change without further notice)
IOC6 ~ IOC9
I/O Port Control Register
"1" puts the relative I/O pin into high impedance, while "0" defines the relative
I/O pin as output.
IOC6 and IOC9 registers are both readable and writable.
INTCR
INT Control Register ( Address : 0Bh )
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
INT1NR
INT0EN
0
INT3ES1
INT3ES0
0
INT1ES
TC2ES
Bit 7 ( INT1NR ) :
INT1 noise reject time select
INT1NR = “0” :
Pulses less than 63/fc are eliminated as noise
INT1NR = “1” :
Pulses less than 15/fc are eliminated as noise
Bit 6 ( INT0EN ) :
INT0 enable control
INT0EN = “0” :
General I/O
INT0EN = “1” :
/INT0 pin
Bit 5 :
Reserved
Bit 4 ~ Bit 3 ( INT3ES1 ~ INT3ES0) :
INT3 edge select
INT3ES1
INT3ES0
Edge Select
0
0
Rising
0
1
Falling
1
0
Both edge
1
1
Reserved
Bit 2 :
Reserved
Bit 1 ( INT1ES )
: INT1 edge select
INT1ES = “0” :
Rising edge
INT1ES = “1” :
Falling edge
Bit 0 (TC2ES) :
Timer/Counter 2 edge select.
TC2ES = “0” :
Rising edge
TC2ES = “1” :
Falling edge
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