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以下提供CY37256的特征介绍给大家,供大家参考。
Additional System Resources
System Resources, some of which have been previously listed,
provide additional capability useful to complete systems. Additional
resources include a multiplier, decimator, switch mode
pump, low voltage detection, and power on reset. Brief statements
describing the merits of each system resource are presented
below.
■ Digital clock dividers provide three customizable clock frequencies
for use in applications. The clocks can be routed to
both the digital and analog systems. Additional clocks can be
generated using digital PSoC blocks as clock dividers.
■ Two multiply accumulates (MACs) provide fast 8-bit multipliers
with 32-bit accumulate to assist in both general math as
well as digital filters.
■ The decimator provides a custom hardware filter for digital
signal, processing applications including the creation of Delta
Sigma ADCs.
■ The I2C module provides 100 and 400 kHz communication
over two wires. Slave, master, and multi-master modes are
all supported.
■ Low Voltage Detection (LVD) interrupts can signal the application
of falling voltage levels, while the advanced POR
(Power On Reset) circuit eliminates the need for a system
supervisor.
■ An internal 1.3 voltage reference provides an absolute reference
for the analog system, including ADCs and DACs.
■ An integrated switch mode pump (SMP) generates normal
operating voltages from a single 1.2V battery cell, providing a
low cost boost converter.