參數(shù)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(shù): 49/76頁
文件大小: 431K
代理商: SZF2002HL
1998 Aug 26
49
Philips Semiconductors
Product specification
Low voltage 8-bit microcontroller with
6-kbyte embedded RAM
SZF2002
18.3.1
I
NTERRUPT
E
NABLE
R
EGISTER
0 (IEN0)
Bit values: 0 = interrupt disabled; 1 = interrupt enabled.
Table 38
Interrupt Enable Register 0 (SFR address A8H)
Table 39
Description of IEN0 bits
18.3.2
I
NTERRUPT
E
NABLE
R
EGISTER
1 (IEN1)
Bit values: 0 = interrupt disabled; 1 = interrupt enabled.
Table 40
Interrupt Enable Register 1 (SFR address E8H)
Table 41
Description of IEN1 bits
7
6
5
4
3
2
1
0
EA
ET2
ES1
ES0
ET1
EX1
ET0
EX0
BIT
SYMBOL
DESCRIPTION
7
EA
General enable/disable control.
If EA = 0, no interrupt is enabled; if EA = 1, any
individually enabled interrupt will be accepted.
enable T2 interrupt
enable I
2
C-bus interrupt
enable UART SIO interrupt
enable Timer 1 interrupt (T1)
enable external interrupt 1
enable Timer 0 interrupt (T0)
enable external interrupt 0
6
5
4
3
2
1
0
ET2
ES1
ES0
ET1
EX1
ET0
EX0
7
6
5
4
3
2
1
0
EAD
EX8
EX7
EX6
EX5
EX4
EX3
EX2
BIT
SYMBOL
DESCRIPTION
7
6
5
4
3
2
1
0
EAD
EX8
EX7
EX6
EX5
EX4
EX3
EX2
enable ADC interrupt (external interrupt 9)
enable external interrupt 8
enable external interrupt 7
enable external interrupt 6
enable external interrupt 5
enable external interrupt 4
enable external interrupt 3
enable external interrupt 2
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