UM8250
UMC
75.41kb
Asynchronous communication element. UM82450 and UM8250 are programmable Asynchronous Communication Element (ACE) chips fabricated with Si -Gate NMOS process. The UM82450
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UM8250B - Asynchronous Communication Element
(UMC Corporation)
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UM8253 - Programmable Interval Timer
(UMC)
(l)UMC
UM8253/ UM8253-5
Features
• MCS-85™ patible UM8253-5 • 3 independent 16-bit counters • DC to 2.6 MHz
• Programmable counter modes • Count.
UM8253-5 - Programmable Interval Timer
(UMC)
(l)UMC
UM8253/ UM8253-5
Features
• MCS-85™ patible UM8253-5 • 3 independent 16-bit counters • DC to 2.6 MHz
• Programmable counter modes • Count.
UM8254 - Programmable Interval Timer
(UMC)
UM8259A - Programmable Interrupt Controller
(UMC)
UM8259A-2 - PROGRAMMABLE INTERRUPT CONTROLLER
(UMC Corporation)
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UM821 - uP Reset Circuits
(Union Semiconductor)
UM807/821/822
μP Reset Circuits with Long Manual Reset Setup Period UM807/821/822 SOT143
General Description
The UM807/821/822 are low-power micropr.
UM822 - uP Reset Circuits
(Union Semiconductor)
UM807/821/822
μP Reset Circuits with Long Manual Reset Setup Period UM807/821/822 SOT143
General Description
The UM807/821/822 are low-power micropr.
UM8237A - Programmable DMA Controller
(UMC)
eUMC
UM8237A/ 8237A-4/ 8237A-5
Programmable DMA Controller (DMAC)
Features
• Enable/Disable control of individual DMA requests • Four independent DM.
UM8237A-4 - Programmable DMA Controller
(UMC)
eUMC
UM8237A/ 8237A-4/ 8237A-5
Programmable DMA Controller (DMAC)
Features
• Enable/Disable control of individual DMA requests • Four independent DM.
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