參數(shù)資料
型號(hào): SZF2002
廠商: NXP Semiconductors N.V.
英文描述: Low voltage 8-bit microcontroller with 6-kbyte embedded RAM(帶6K字節(jié)嵌入RAM的低壓8位微控制器)
中文描述: 低電壓8位微控制器與6嵌入式RAM字節(jié)(帶6清音字節(jié)嵌入內(nèi)存的低壓8位微控制器)
文件頁(yè)數(shù): 51/76頁(yè)
文件大?。?/td> 431K
代理商: SZF2002
1998 Aug 26
51
Philips Semiconductors
Product specification
Low voltage 8-bit microcontroller with
6-kbyte embedded RAM
SZF2002
18.3.5
I
NTERRUPT
P
OLARITY
R
EGISTER
(IX1)
Writing either a logic 1 or logic 0 to any Interrupt Polarity Register bit sets the polarity level of the corresponding external
interrupt to an active HIGH or active LOW respectively.
Table 46
Interrupt Polarity Register (SFR address E9H)
Table 47
Description of IX1 bits
18.3.6
I
NTERRUPT
R
EQUEST
F
LAG
R
EGISTER
(IRQ1)
Table 48
Interrupt Request Flag Register (SFR address C0H)
Table 49
Description of IRQ1 bits
7
6
5
4
3
2
1
0
IL8
IL7
IL6
IL5
IL4
IL3
IL2
BIT
SYMBOL
IL8
IL7
IL6
IL5
IL4
IL3
IL2
DESCRIPTION
7
6
5
4
3
2
1
0
reserved
external interrupt 8 polarity level
external interrupt 7 polarity level
external interrupt 6 polarity level
external interrupt 5 polarity level
external interrupt 4 polarity level
external interrupt 3 polarity level
external interrupt 2 polarity level
7
6
5
4
3
2
1
0
IQ8
IQ7
IQ6
IQ5
IQ4
IQ3
IQ2
BIT
SYMBOL
IQ8
IQ7
IQ6
IQ5
IQ4
IQ3
IQ2
DESCRIPTION
7
6
5
4
3
2
1
0
reserved
external interrupt 8 request flag
external interrupt 7 request flag
external interrupt 6 request flag
external interrupt 5 request flag
external interrupt 4 request flag
external interrupt 3 request flag
external interrupt 2 request flag
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