參數(shù)資料
型號： SC28L92A1BS,528
廠商： NXP Semiconductors
文件頁數(shù)： 51/73頁
文件大小： 0K
描述： IC UART DUAL W/FIFO 44PQFP
標準包裝： 4,000
系列： IMPACT
特點： 故障啟動位檢測
通道數(shù)： 2，DUART
FIFO's： 16 字節(jié)
電源電壓： 3.3V，5V
帶自動流量控制功能： 是
帶故障啟動位檢測功能： 是
帶調制解調器控制功能： 是
帶CMOS： 是
安裝類型： 表面貼裝
封裝/外殼： 48-VFQFN 裸露焊盤
供應商設備封裝： 48-HVQFN EP（6x6）
包裝： 帶卷 (TR)
其它名稱： 935281063528
SC28L92A1BS-F
SC28L92A1BS-F-ND
55
2552K–AVR–04/11
ATmega329/3290/649/6490
12.2
Register Description
12.2.1
EICRA – External Interrupt Control Register A
The External Interrupt Control Register A contains control bits for interrupt sense control.
Bit 1, 0 – ISC01, ISC00: Interrupt Sense Control 0 Bit 1 and Bit 0
The External Interrupt 0 is activated by the external pin INT0 if the SREG I-flag and the corre-
sponding interrupt mask are set. The level and edges on the external INT0 pin that activate the
interrupt are defined in Table 12-1. The value on the INT0 pin is sampled before detecting
edges. If edge or toggle interrupt is selected, pulses that last longer than one clock period will
generate an interrupt. Shorter pulses are not guaranteed to generate an interrupt. If low level
interrupt is selected, the low level must be held until the completion of the currently executing
instruction to generate an interrupt.
12.2.2
External Interrupt Mask Register – EIMSK
Bit 7 – PCIE3: Pin Change Interrupt Enable 3
When the PCIE3 bit is set (one) and the I-bit in the Status Register (SREG) is set (one), pin
change interrupt 3 is enabled. Any change on any enabled PCINT30..24 pin will cause an inter-
rupt. The corresponding interrupt of Pin Change Interrupt Request is executed from the PCINT3
Interrupt Vector. PCINT30..24 pins are enabled individually by the PCMSK3 Register.
This bit is reserved bit in ATmega329/649 and should always be written to zero.
Bit 6 – PCIE2: Pin Change Interrupt Enable 2
When the PCIE2 bit is set (one) and the I-bit in the Status Register (SREG) is set (one), pin
change interrupt 2 is enabled. Any change on any enabled PCINT23..16 pin will cause an inter-
rupt. The corresponding interrupt of Pin Change Interrupt Request is executed from the PCINT2
Interrupt Vector. PCINT23..16 pins are enabled individually by the PCMSK2 Register.
This bit is reserved bit in ATmega329/649 and should always be written to zero.
Bit
765
4321
0
–
ISC01
ISC00
EICRA
Read/Write
R
RRRR
R
R/W
Initial Value
000
0000
0
Table 12-1.
Interrupt 0 Sense Control
ISC01
ISC00
Description
0
The low level of INT0 generates an interrupt request.
0
1
Any logical change on INT0 generates an interrupt request.
1
0
The falling edge of INT0 generates an interrupt request.
1
The rising edge of INT0 generates an interrupt request.
Bit
7
654
32
10
PCIE3
PCIE2
PCIE1
PCIE0
–
–INT0
EIMSK
Read/Write
R/W
R
R/W
Initial Value
0
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相關代理商/技術參數(shù)
參數(shù)描述
SC28L92A1BS-F 功能描述:UART 接口集成電路 3V-5V 1CH UART INTEL/MOT INTRF RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
SC28L92A1BS-S 功能描述:UART 接口集成電路 3V-5V 1CH UART INTEL/MOT INTRF RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
SC28P-1GREEN 制造商:Thomas & Betts 功能描述:ID TAG GREEN
SC28P-1RED 制造商:Thomas & Betts 功能描述:ID TAG RED
SC28P-1YELLOW 制造商:Thomas & Betts 功能描述:ID TAG YELLOW
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