ST92185B STMicroelectronics, ST92185B Datasheet - Page 69

• Manufacturer Part Number: ST92185B
• Description: 16k/24k/32k Rom Hcmos Mcu With On-screen-display
• Manufacturer: STMicroelectronics

INPUT/OUTPUT BIT CONFIGURATION (Cont’d)
Figure 37. Control Bits
n
Table 13. Port Bit Configuration Table (n = 0, 1... 7; X = port number)
(1)
Legend:
X
n
AF
BID
CMOS= CMOS Standard Input Levels
HI-Z
IN
OD
OUT = Output
PP
TTL
WP
PXC2n
PXC1n
PXC0n
PXn Configuration
PXn Output Type
PXn Input Type
For A/D Converter inputs.
PxC2
PxC1
PxC0
= Port
= Bit
= High Impedance
= Open Drain
= TTL Standard Input Levels
= Weak Pull-up
= Alternate Function
= Bidirectional
= Input
= Push-Pull
PxC27
PxC17
PxC07
Bit 7
WP OD
(or Schmitt
Trigger)
TTL
BID
0
0
0
(or Schmitt
Trigger)
TTL
BID
OD
1
0
0
(or Schmitt
Trigger)
OUT
TTL
PP
0
1
0
General Purpose I/O Pins
PxC2n
PxC1n
PxC0n
Bit n
(or Schmitt
Trigger)
OUT
TTL
OD
1
1
0
(or Schmitt
CMOS
Trigger)
HI-Z
IN
0
0
1
(or Schmitt
Trigger)
HI-Z
TTL
IN
1
0
1
ST92185B - I/O PORTS
AF OUT
(or Schmitt
Trigger)
TTL
PP
0
1
1
AF OUT
(or Schmitt
Trigger)
TTL
OD
1
1
1
PxC20
PxC10
PxC00
Bit 0
A/D Pins
Analog
HI-Z
AF IN
Input
69/178
1
1
1
(1)