ST92T141K4M6 STMicroelectronics, ST92T141K4M6 Datasheet - Page 82

• Manufacturer Part Number: ST92T141K4M6
• Description: Microcontrollers (MCU) OTP EPROM 16K SPI
• Manufacturer: STMicroelectronics

Specifications of ST92T141K4M6

• Data Bus Width: 8 bit, 16 bit
• Program Memory Type: EPROM
• Program Memory Size: 16 KB
• Data Ram Size: 512 B
• Interface Type: SPI
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 15
• Number Of Timers: 2
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SO-34
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 6 Channel
• Lead Free Status / Rohs Status: No

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
INTERRUPTS
INPUT
INPUTS AND
(or Schmitt Trigger)
INPUT LATCH
TTL / CMOS
(or Schmitt Trigger)
TO PERIPHERAL
INTERRUPTS
INPUTS AND
TTL