ST92P141K4D0 View Datasheet(PDF) - STMicroelectronics
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ST92P141K4D0 Datasheet PDF : 179 Pages
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ST92141 - I/O PORTS
INPUT/OUTPUT BIT CONFIGURATION (Cont’d)
Figure 42. Control Bits
PxC2
Bit 7
PxC27
Bit n
PxC2n
Bit 0
PxC20
PxC1
PxC17
PxC1n
PxC10
PxC0
PxC07
PxC0n
PxC00
n
Table 19. Port Bit Configuration Table (n = 0, 1... 7; X = port number)
General Purpose I/O Pins
PXC2n
PXC1n
PXC0n
0
1
0
1
0
1
0
0
1
1
0
0
0
0
0
0
1
1
PXn Configuration
BID
BID
OUT
OUT
IN
IN
PXn Output Type
WP OD OD
PP
OD
HI-Z
HI-Z
PXn Input Type
TTL
(or Schmitt
Trigger)
TTL
(or Schmitt
Trigger)
TTL
(or Schmitt
Trigger)
TTL
(or Schmitt
Trigger)
CMOS
(or Schmitt
Trigger)
TTL
(or Schmitt
Trigger)
0
1
1
AF OUT
PP
TTL
(or Schmitt
Trigger)
A/D Pins
1
1
1
1
1
1
AF OUT AF IN
OD
HI-Z(1)
TTL
(or Schmitt
Trigger)
Analog
Input
(1) For A/D Converter inputs.
Legend:
X = Port
n = Bit
AF = Alternate Function
BID = Bidirectional
CMOS= CMOS Standard Input Levels
HI-Z = High Impedance
IN = Input
OD = Open Drain
OUT = Output
PP = Push-Pull
TTL = TTL Standard Input Levels
WP = Weak Pull-up
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