參數(shù)資料
型號(hào): LPC2119
廠商: NXP Semiconductors N.V.
英文描述: CLAMP
中文描述: 單片16/32位微控制器,128/256 kB ISP / IAP閃存的10位ADC和CAN
文件頁(yè)數(shù): 19/34頁(yè)
文件大?。?/td> 163K
代理商: LPC2119
Philips Semiconductors
LPC2119/LPC2129
Single-chip 16/32-bit microcontrollers
Product data
Rev. 03 — 22 December 2004
19 of 34
9397 750 13146
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Arbitration between simultaneously transmitting masters without corruption of
serial data on the bus.
Serial clock synchronization allows devices with different bit rates to communicate
via one serial bus.
Serial clock synchronization can be used as a handshake mechanism to suspend
and resume serial transfer.
The I
2
C bus may be used for test and diagnostic purposes.
6.15 SPI serial I/O controller
The LPC2119/LPC2129 each contain two SPIs. The SPI is a full duplex serial
interface, designed to be able to handle multiple masters and slaves connected to a
given bus. Only a single master and a single slave can communicate on the interface
during a given data transfer. During a data transfer the master always sends a byte of
data to the slave, and the slave always sends a byte of data to the master.
6.15.1
Features
Compliant with Serial Peripheral Interface (SPI) specification.
Synchronous, Serial, Full Duplex, Communication.
Combined SPI master and slave.
Maximum data bit rate of one eighth of the input clock rate.
6.16 General purpose timers
The Timer is designed to count cycles of the peripheral clock (PCLK) and optionally
generate interrupts or perform other actions at specified timer values, based on four
match registers. It also includes four capture inputs to trap the timer value when an
input signal transitions, optionally generating an interrupt. Multiple pins can be
selected to perform a single capture or match function, providing an application with
‘or’ and ‘a(chǎn)nd’, as well as ‘broadcast’ functions among them.
6.16.1
Features
A 32-bit Timer/Counter with a programmable 32-bit Prescaler.
Four 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 optionally 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.
Four external outputs per timer corresponding to match registers, with the following
capabilities:
Set LOW on match.
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