Meilhaus Electronic redlab 1208fs, Руководство пользователя

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RedLab 1208FS User's Guide Specifications
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Counter
Table 14. Counter specifications
Pin name (Note 8) CTR
Counter type Event counter
Number of channels 1
Input type TTL, rising edge triggered
Input source CTR screw terminal
Resolution 32 bits
Schmitt trigger hysteresis 20 mV to 100 mV
Input leakage current ±1 µA
Maximum input frequency 1 MHz
High pulse width 500 ns min
Low pulse width 500 ns min
Input high voltage 4.0 V min, 5.5 V absolute max
Input low voltage 1.0 V max, –0.5 V absolute min
Note 8:
CTR is a Schmitt trigger input protected with a 1.5K Ω series resistor.
Non-volatile memory
Table 15. Non-volatile memory specifications
EEPROM 1,024 bytes
Address Range Access Description
0x000-0x07F Reserved 128 bytes system data
0x080-0x1FF Read/write 384 bytes cal data
EEPROM Configuration
0x200-0x3FF Read/write 512 bytes user area
Microcontroller
Table 16. Microcontroller specifications
Type High performance 8-bit RISC microcontroller
Program Memory 16,384 words
Data Memory 2,048 bytes
Power
Table 17. Power specifications
Parameter Conditions Specification
Supply current (Note 9) 80 mA
Connected to self-powered hub
Connected to externally-powered root port hub 4.5 V min, 5.25 V max +5V USB power available (Note 10)
Connected to bus-powered hub 4.1 V min, 5.25 V max
Connected to self-powered hub
Connected to externally-powered root port hub 420 mA max Output current (Note 11)
Connected to bus-powered hub 20 mA max
Note 9:
This is the total current requirement for the RedLab 1208FS which includes up to 10 mA for the status
LED.