...e current. The variable vernier resistor combined with various capacitor combinations allows the dv/dt to be gradually increased until the D.U.T. continues to trigger in response to the applied voltage pulse, even after the LED current has ...
...to VDD with an internal pull-up resistor. Description
80 81 Control 87
XT XT RESET
I O I
Ports
76 to 69 67 to 60 86 to 82 22 to 29 51 to 44 43 to 36
P0.0 to P0.7 P1.0 to P1.7 P2.0 to P2.4 P3.0 to P3.7 P4.0 to P4.7 P5.0 to ...
Description
8-Bit Microcontroller with A/D Converter (with LCD Driver)(具ADC和LCD驱动器的8位微控制
...al reset. An internal pull-down resistor permits Power-On reset using only a capacitor connected to VCC. This pin does not receive the power down voltage since the function has been transferred to the VCC pin. Address Latch Enable. This out...
...n and needs an external pull up resistor. A "8051 standard pin" is a pseudo open drain pin. It can sink at least 4mA current when output is ...capacitor, all output pins can swing from 0~5V, input pins can accept 0~5V input range. And ADC conv...
Description
8051 Embedded Monitor Controller 128K Flash Type with ISP
...the device An internal pulldown resistor permits a power-on reset to be generated using only an external capacitor to VCC ALE PROG (EPROM Only) Address Latch Enable output signal for latching the low byte of the address during accesses to e...
Description
From old datasheet system CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
...finer adjustment is required, a resistor may be included between the wiper and the pin. For example, 62k will restrict a 3.3V model to 5% ad...capacitor decouples the pin to the supply common in order to avoid the risk of injecting noise into ...
...he device. An internal diffused resistor to VSS permits a power-on reset using only an external capacitor to VCC. Address Latch Enable/Program Pulse: Output pulse for latching the low byte of the address during an access to external memory....
Description
8-bit CMOS (low voltage, low power and high speed) microcontroller families 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless low voltage 2.7V.5.5V low power high speed 33 MHz 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz
...high by a weak internal pull-up resistor. Reset pin A low level on this pin for the duration of two machine cycles while the oscillator is r...capacitor connected to V SS Reference voltage for the A/D converter Reference ground for the A/D con...
Description
8-Bit CMOS Single-Chip Microcontroller From old datasheet system
...80C515. A small internal pullup resistor permits power-on reset using only a capacitor connected to V SS. Reference voltage for the A/D converter Reference ground for the A/D converter Port 6 is an 8-bit undirectional input port. Port pins ...
...high by a weak internal pull-up resistor. I/O *) Function
PE/SWD
4
67
I
*
I = Input O = Output
Semiconductor Group
7...capacitor connected to VSS. Reference voltage for the A/D converter. Reference ground for the A/D co...
Description
8-Bit CMOS Single-Chip Microcontroller From old datasheet system