摘要:
A electronic digital processor system input/output circuitry including several input/output data ports where each port contains receiving circuitry to receive bit data from bit data pads and transmitting circuitry to transmit bit data to the data bit pads and control circuitry that provides for a configuration where one input/output port may respond to the address of another input/output port, allowing the second input/output port to perform other functions. This capability would allow a user to execute a program that emulates one configuration while the actual, physical connection of devices is, in fact, another configurations. The input/output circuitry also include control circuitry that determines whether the port is to receive bit data or to transmit bit data. This circuitry is connected to a data bus that couples the input/output data ports to the remaining electronic digital processor system.
摘要:
A digital data processor on a single monolithic integrated circuit chip is provided which uses one less pin. The elimination of the pin is accomplished by using, internally to the processor, a valid memory address signal to gate information from the address but to an address output line. Whenever an address is not present on the address bus all logic "1's" are generated on the address output bus.
摘要:
A circuit arrangement for transmitting signals between a data processing unit and external input and output units. The data processing unit has a plurality of terminals. A plurality of first switching circuits are provided, each being connected to a respective one of the terminals. These first switching circuits, in their normal position, connect the terminals to the output unit. A control circuit is connected to the input unit and provides control signals in response to a determination that information to be supplied to the data processing unit is present at the input unit. The control circuit in response to such a determination causes the switching circuits to temporarily switch so as to connect the input unit to the data processing unit.
摘要:
Systems and methods including one or more processors and one or more non-transitory media storing computing instructions that, when executed on the one or more processors, cause the one or more processors to perform: storing one or more notifications in a data store; receiving a new notification; determining a respective number of notifications in each respective segment of a plurality of approximately equal segments; using the respective number of notifications in each respective segment of the plurality of approximately equal segments to determine a number of the one or more notifications; when the number of the one or more notifications is equal to or greater than a maximum number of notifications, removing at least one notification of the one or more notifications; and before or after removing the at least one notification, storing the new notification in the data store.
摘要:
An IC includes a bare die and a multiplexed pin. The multiplexed pin is electrically connected to first and second switch circuits, the first and second switch circuits are respectively connected to first and second circuit modules disposed on the bare die and control a connection between the first and second circuit modules and the multiplexed pin, the first switch circuit is connected to a first die pad by a metal layer trace within the bare die, the second switch circuit is connected to a second die pad by a metal layer trace within the bare die, and the first and second die pads are connected to the multiplexed pin through a bond wire respectively. The bare die with a larger number of die pads can be packaged into an IC package with a smaller number of chip pins.
摘要:
A single wire serial interface for power ICs and other devices is provided. To use the interface, a device is configured to include an EN/SET input pin. A counter within the device counts clock pulses sent to the EN/SET input pin. The output of the counter is passed to a ROM or other decoder circuit. The ROM selects an operational state for the device that corresponds to the value of the counter. In this way, control states may be selected for the device by sending corresponding clock pulses to the EN/SET pin. Holding the EN/SET pin high causes the device to maintain its operational state. Holding the EN/SET pin low for a predetermined timeout period resets the counter and causes the device to adopt a predetermined configuration (such as off) until new clock pulses are received at the EN/SET pin.
摘要:
An embedded device has a plurality of processor cores, each with a plurality of peripheral devices, wherein each peripheral device may have an output, a housing with a plurality of assignable external pins, and a plurality of peripheral pin selection modules for each processing core, wherein each peripheral pin selection module is configured to be programmable to assign an assignable external pin to one of the plurality of peripheral devices of one of the processor cores.
摘要:
A serial peripheral interface of an integrated circuit includes: a first transfer pin for receiving an instruction and an address; and a clock pin for inputting a plurality of timing pulses each having a rising edge and a falling edge. After the first transfer pin receives the instruction, the integrated circuit receives the address through the first transfer pin in continuity with the receipt of the instruction. The first transfer pin receives the instruction at either of the rising edges and the falling edges of the timing pulses and receives the address at both of the rising edges and falling edges of the timing pulses.
摘要:
An integrated circuit with multi-functional parameter setting and a multi-functional parameter setting method thereof are provided. The multi-functional parameter setting method includes the following steps: providing the integrated circuit, wherein the integrated circuit includes a multi-functional pin and a switch unit, wherein the multi-functional pin is coupled to an external setting unit, and the switch unit includes an operational amplifier; sensing a programmable reference voltage of the external setting unit through one operation of the switch unit and executing a first function setting according to the programmable reference voltage; and sensing a programmable reference current related to the external setting unit through another operation of the switch unit and executing a second function setting according to the programmable reference current, wherein a value of the programmable reference current is related to the programmable reference voltage.
摘要:
An apparatus and method for unconditionally loading a value into first memory of an first integrated circuit, which operates in one of several different modes depending on value stored in the first memory. In one embodiment, apparatus comprises a printed circuit board. The first integrated circuit (IC) is mounted on the printed circuit board, wherein the first IC comprises a first memory device, and wherein the first IC is configured to operate in a first mode when a first value is stored in the first memory device, and wherein the first IC is configured to operate in a second mode when a second value is stored in the first memory device. The printed circuit board also includes a second IC mounted thereon. The second IC comprises a second memory device that stores the first value. A third IC mounted on the printed circuit board is configured to provide a copy of the first value stored in the second memory device to the first IC for storage in the first memory device, wherein the third IC is configured to provide the copy of the first value to the first IC without condition.