ST92185B STMicroelectronics, ST92185B Datasheet - Page 70
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ST92185B
Manufacturer Part Number
ST92185B
Description
16k/24k/32k Rom Hcmos Mcu With On-screen-display
Manufacturer
STMicroelectronics
Datasheet
1.ST92185B.pdf
(178 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST92185BJ2B1/0BE
Manufacturer:
ST
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Part Number:
ST92185BN4B1/PBI
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ST92185B - I/O PORTS
INPUT/OUTPUT BIT CONFIGURATION (Cont’d)
Figure 38. Basic Structure of an I/O Port Pin
Figure 39. Input Configuration
n
n
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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 40. 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