ST92T163 ST Microelectronics, ST92T163 Datasheet - Page 101
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ST92T163
Manufacturer Part Number
ST92T163
Description
8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS
Manufacturer
ST Microelectronics
Datasheet
1.ST92T163.pdf
(224 pages)
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INPUT/OUTPUT BIT CONFIGURATION (Cont’d)
Figure 56. Basic Structure of an I/O Port Pin
Figure 57. Input Configuration
n
n
OUTPUT MASTER LATCH
TRISTATE
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 58. 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
ST92163 - I/O PORTS
INPUT
INTERRUPTS
INPUTS AND
(or Schmitt Trigger)
INPUT LATCH
TTL / CMOS
(or Schmitt Trigger)
TO PERIPHERAL
INTERRUPTS
INPUTS AND
TTL
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