ST62T62CB6 STMicroelectronics, ST62T62CB6 Datasheet - Page 37

• Manufacturer Part Number: ST62T62CB6
• Description: 8BIT MCU OTP 2K+EEPROM, 62T62, DIP
• Manufacturer: STMicroelectronics

Specifications of ST62T62CB6

• Controller Family/series: ST6
• No. Of I/o's: 9
• Eeprom Memory Size: 64Byte
• Ram Memory Size: 128Byte
• Cpu Speed: 8MHz
• No. Of: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 1836B
• Oscillator Type: External Only
• Processor Series: ST62T6x
• Core: ST6
• Data Bus Width: 8 bit
• Program Memory Type: EPROM
• Data Ram Size: 128 B
• Interface Type: SPI, UART
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 9
• Number Of Timers: 2
• Operating Supply Voltage: 3 V to 6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Package / Case: PDIP-16
• Development Tools By Supplier: ST62GP-EMU2, ST62E2XC-EPB/110, ST62E6XC-EPB/US, STREALIZER-II
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Lead Free Status / Rohs Status: Details

I/O PORTS (Cont’d)
4.1.1 Operating Modes
Each pin may be individually programmed as input
or output with various configurations.
This is achieved by writing the relevant bit in the
Data (DR), Data Direction (DDR) and Option reg-
isters (OR).
configurations which can be selected by user soft-
ware.
4.1.1.1 Input Options
Pull-up, High Impedance Option. All input lines
can be individually programmed with or without an
internal pull-up by programming the OR and DR
registers accordingly. If the pull-up option is not
selected, the input pin will be in the high-imped-
ance state.
Table 11. I/O Port Option Selection
Note: X = Don’t care
DDR
0
0
0
0
1
1
Table 11
OR
0
0
1
1
0
1
illustrates the various port
DR
X
X
0
1
0
1
Output
Output
Mode
Input
Input
Input
Input
With pull-up, no interrupt
No pull-up, no interrupt
With pull-up and with interrupt
Analog input (when available)
Open-drain output (20mA sink when available)
Push-pull output (20mA sink when available)
4.1.1.2 Interrupt Options
All input lines can be individually connected by
software to the interrupt system by programming
the OR and DR registers accordingly. The inter-
rupt trigger modes (falling edge, rising edge and
low level) can be configured by software as de-
scribed in the Interrupt Chapter for each port.
4.1.1.3 Analog Input Options
Some pins can be configured as analog inputs by
programming the OR and DR registers according-
ly. These analog inputs are connected to the on-
chip 8-bit Analog to Digital Converter. ONLY ONE
pin should be programmed as an analog input at
any time, since by selecting more than one input
simultaneously their pins will be effectively short-
ed.
Option
ST62T52C ST62T62C/E62C
37/78