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The function of the optical fiber laser cutting machine and connection method
by：Transon
2020-10-30
1、INT（
Interrupt request)
Output, open drain, low level effectively.
Optical fiber laser cutting machine in the system of each PIO INT side together, directly connected to the CPU INT;
2,PA0 -
PA7 mouth A eight I/O lines (
Two-way, three states)
, connected to the external device, is used to transmit data, status or control signals.
3、ASTB(
A gate)
Low level effectively, from external devices.
4、ARDY(
Register A ready)
Output, high power effectively.
5,PB0 -
PB7 mouth B8 I/O lines (
Two-way, three states)
Are connected to the external device, laser cutting machine, is used to transmit data, state, or control signals.
5 ma current to drive composite transistor.
6、BSTB—
(
B gate)
Effective, low electronic from external devices.
7、BRDY(
Register ready)
Output, high level effectively.
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