BL2046 controller equivalent, low voltage i/o touch screen controller.
2.2V to 5.25V operation 1.5V to 5.25V digital I/O Internal 2.5V reference 4-wire I/F Programmable 8 or 12 bit Resolution Direct battery measurement(0V to 6V) Temperature .
with 4-wire resistive touch panel such as, PDA, portable instruments, cellular phone, etc.
Applications
Cellular phones .
The BL2046 is a 4-wire touch screen controller which supports a low-voltage I/O interface from 1.5V to 5.25V. The BL2046 has an on-chip 2.5V reference that can be used for the auxiliary input, battery monitor, and temperature measurement modes. The r.
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