ST92141 STMicroelectronics, ST92141 Datasheet - Page 82
ST92141
Manufacturer Part Number
ST92141
Description
8/16-bit Mcu For 3-phase Ac Motor Control
Manufacturer
STMicroelectronics
Datasheet
1.ST92141.pdf
(179 pages)
- Current page: 82 of 179
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ST92141 - I/O PORTS
INPUT/OUTPUT BIT CONFIGURATION (Cont’d)
Figure 43. Basic Structure of an I/O Port Pin
Figure 44. Input Configuration
n
n
82/179
OUTPUT MASTER LATCH
TRISTATE
1
OUTPUT SLAVE LATCH
PERIPHERAL
OUTPUT
FROM
INTERNAL DATA BUS
WEAK PULL-UP
I/O PIN
OPEN DRAIN
PUSH-PULL
TRISTATE
BIDIRECTIONAL
ALTERNATE
FUNCTION
OUTPUT MASTER LATCH
INPUT LATCH
OUTPUT
OUTPUT SLAVE LATCH
INPUT
(or Schmitt Trigger)
TO PERIPHERAL
TTL / CMOS
INTERRUPTS
INPUTS AND
INTERNAL DATA BUS
OUTPUT
I/O PIN
Figure 45. Output Configuration
n
OPEN DRAIN
PUSH-PULL
OUTPUT MASTER LATCH
OUTPUT SLAVE LATCH
INPUT LATCH
INTERNAL DATA BUS
I/O PIN
BIDIRECTIONAL
ALTERNATE
FUNCTION
TO PERIPHERAL
INPUT
INTERRUPTS
INPUTS AND
(or Schmitt Trigger)
INPUT LATCH
TTL / CMOS
(or Schmitt Trigger)
TO PERIPHERAL
INTERRUPTS
INPUTS AND
TTL
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