參數資料
型號: SZF2002HL
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Low voltage 8-bit microcontroller with 6-kbyte embedded RAM
中文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, 1.40 MM HEIGHT, PLASTIC, SOT-315-1, LQFP-80
文件頁數: 51/76頁
文件大?。?/td> 431K
代理商: SZF2002HL
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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