LPC1767 NXP [NXP Semiconductors], LPC1767 Datasheet - Page 26
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LPC1767
Manufacturer Part Number
LPC1767
Description
32-bit ARM Cortex-M3 microcontroller; up to 512 kB flash and 64 kB SRAM with Ethernet, USB 2.0 Host/Device/OTG, CAN
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.LPC1767.pdf
(66 pages)
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NXP Semiconductors
LPC1769_68_67_66_65_64_4
Product data sheet
7.20.1 Features
7.21.1 Features
7.20 I
7.21 General purpose 32-bit timers/external event counters
Remark: The I
The I
The I
and one word select signal. The basic I
always the master, and one slave. The I
provides a separate transmit and receive channel, each of which can operate as either a
master or a slave.
The LPC17xx include four 32-bit timer/counters. The timer/counter is designed to count
cycles of the system derived clock or an externally-supplied clock. It can optionally
generate interrupts, generate timed DMA requests, or perform other actions at specified
timer values, based on four match registers. Each timer/counter also includes two capture
inputs to trap the timer value when an input signal transitions, optionally generating an
interrupt.
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S-bus serial I/O controllers
The interface has separate input/output channels each of which can operate in master
or slave mode.
Capable of handling 8-bit, 16-bit, and 32-bit word sizes.
Mono and stereo audio data supported.
The sampling frequency can range from 16 kHz to 96 kHz (16, 22.05, 32, 44.1, 48,
96) kHz.
Support for an audio master clock.
Configurable word select period in master mode (separately for I
output).
Two 8-word FIFO data buffers are provided, one for transmit and one for receive.
Generates interrupt requests when buffer levels cross a programmable boundary.
Two DMA requests, controlled by programmable buffer levels. These are connected
to the GPDMA block.
Controls include reset, stop and mute options separately for I
output.
A 32-bit timer/counter with a programmable 32-bit prescaler.
Counter or timer operation.
Two 32-bit capture channels per timer, that can take a snapshot of the timer value
when an input signal transitions. A capture event may also generate an interrupt.
Four 32-bit match registers that allow:
– Continuous operation with optional interrupt generation on match.
– Stop timer on match with optional interrupt generation.
– Reset timer on match with optional interrupt generation.
2
2
S-bus provides a standard communication interface for digital audio applications.
S-bus specification defines a 3-wire serial bus using one data line, one clock line,
2
S-bus is not available on the LPC1764.
Rev. 04 — 1 February 2010
LPC1769/68/67/66/65/64
2
2
S-bus connection has one master, which is
S-bus interface on the LPC1769/68/67/66/65
32-bit ARM Cortex-M3 microcontroller
2
S-bus input and I
2
S-bus input and
© NXP B.V. 2010. All rights reserved.
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S-bus