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ZLP32300 Datasheet(PDF) 15 Page - Zilog, Inc. |
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ZLP32300 Datasheet(HTML) 15 Page - Zilog, Inc. |
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15 / 99 page  Crimzon® ZLP32300 Product Specification PS020823-0208 Pin Description 11 open-drain output with output logic as ONE, it is a floating port and reads back as ZERO. The following instruction sets P00-P07 all Low. AND P0,#%F0 Port 0 (P00–P07) Port 0 is an 8-bit, bidirectional, CMOS-compatible port. These eight I/O lines are config- ured under software control as a nibble I/O port. The output drivers are push-pull or open- drain controlled by bit D2 in the PCON register. If one or both nibbles are needed for I/O operation, they must be configured by writing to the Port 01 mode register (P01M). After a hardware reset or Stop Mode Recovery, Port 0 is configured as an input port. An optional pull-up transistor is available as a OTP option bit on all Port 0 bits with nibble select. The Port 0 direction is reset to be input following an SMR. Note: |
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