Z87L01 View Datasheet(PDF) - Zilog
Part Name
Description
MFG CO.
'Z87L01' PDF : 51 Pages View PDF
Zilog
Z87001/Z87L01
ROMless Spread Spectrum Cordless Phone Controller
Table 17. Bank 3 Register Description
GPIO0DATA
Bank 3
EXT5
Field
Bit Position
R/W Data
Description
1
DATA0
fedcba9876543210
Access to Port 0 data
R XXXXh Reads pin values
W XXXXh Writes output pin values
Notes:
DATA0. The read value returns the actual pin values and does not depend on the pin directions
(i.e. for output pins, the output value is returned unless a contention occurs).
GPIO1DIR
Field
DIRECTION1
Table 18. Bank 3 Register Description
Bank 3
Bit Position
fedcba9876543210
EXT6
R/W
R/W
Data
Description
Independent control of Port 1 pin direction
..0. Pin in input mode
..1. Pin in output mode
Table 19. Bank 3 Register Description
GPIO1DATA
Field
Bank 3
Bit Position
EXT7
R/W Data
Description
DATA1
fedcba9876543210
Access to Port 1 data
R XXXXh Reads pin values
W XXXXh Writes output pin values
Notes:
DATA1. The read value returns the actual pin values and does not depend on the pin directions
(i.e. for output pins, the output value is returned unless a contention occurs)
DS96WRL0800
PRELIMINARY
39
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