參數(shù)資料
型號(hào)： P89LPC936FA,529
廠商： NXP Semiconductors
文件頁(yè)數(shù)： 50/77頁(yè)
文件大小： 0K
描述： IC 80C51 MCU FLASH 16K 28-PLCC
標(biāo)準(zhǔn)包裝： 37
系列： LPC900
核心處理器： 8051
芯體尺寸： 8-位
速度： 18MHz
連通性： I²C，SPI，UART/USART
外圍設(shè)備： 欠壓檢測(cè)/復(fù)位，LED，POR，PWM，WDT
輸入/輸出數(shù)： 26
程序存儲(chǔ)器容量： 16KB（16K x 8）
程序存儲(chǔ)器類型： 閃存
EEPROM 大小： 512 x 8
RAM 容量： 768 x 8
電壓 - 電源 (Vcc/Vdd)： 2.4 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 8x8b; D/A 2x8b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 28-LCC（J 形引線）
包裝： 管件
配用： 622-1014-ND - BOARD FOR LPC9XX TSSOP
622-1008-ND - BOARD FOR LPC9103 10-HVSON
622-1006-ND - SOCKET ADAPTER BOARD
568-1759-ND - EMULATOR DEBUGGER/PROGRMMR LPC9X
568-1758-ND - BOARD EVAL FOR LPC93X MCU FAMILY
其它名稱： 568-7915-5
568-7915-5-ND
568-8364-5
935278702529
P89LPC936FA,529-ND
P89LPC936FA-S
P89LPC936FA-S-ND
P89LPC933_934_935_936
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 8 — 12 January 2011
54 of 77
NXP Semiconductors
P89LPC933/934/935/936
8-bit microcontroller with accelerated two-clock 80C51 core
9.4.2 Fixed channel, continuous conversion mode
A single input channel can be selected for continuous conversion. The results of the
conversions will be sequentially placed in the four result registers. An interrupt, if enabled,
will be generated after every four conversions. Additional conversion results will again
cycle through the four result registers, overwriting the previous results. Continuous
conversions continue until terminated by the user.
9.4.3 Auto scan, single conversion mode
Any combination of the four input channels can be selected for conversion. A single
conversion of each selected input will be performed and the result placed in the result
register which corresponds to the selected input channel. An interrupt, if enabled, will be
generated after all selected channels have been converted. If only a single channel is
selected this is equivalent to single channel, single conversion mode.
9.4.4 Auto scan, continuous conversion mode
Any combination of the four input channels can be selected for conversion. A conversion
of each selected input will be performed and the result placed in the result register which
corresponds to the selected input channel. An interrupt, if enabled, will be generated after
all selected channels have been converted. The process will repeat starting with the first
selected channel. Additional conversion results will again cycle through the four result
registers, overwriting the previous results. Continuous conversions continue until
terminated by the user.
9.4.5 Dual channel, continuous conversion mode
This is a variation of the auto scan continuous conversion mode where conversion occurs
on two user-selectable inputs. The result of the conversion of the first channel is placed in
result register, ADxDAT0. The result of the conversion of the second channel is placed in
result register, ADxDAT1. The first channel is again converted and its result stored in
ADxDAT2. The second channel is again converted and its result placed in ADxDAT3. An
interrupt is generated, if enabled, after every set of four conversions (two conversions per
channel).
9.4.6 Single step mode
This special mode allows ‘single-stepping’ in an auto scan conversion mode. Any
combination of the four input channels can be selected for conversion. After each channel
is converted, an interrupt is generated, if enabled, and the A/D waits for the next start
condition. May be used with any of the start modes.
9.5 Conversion start modes
9.5.1 Timer triggered start
An A/D conversion is started by the overflow of Timer 0. Once a conversion has started,
additional Timer 0 triggers are ignored until the conversion has completed. The Timer
triggered start mode is available in all A/D operating modes.
9.5.2 Start immediately
Programming this mode immediately starts a conversion. This start mode is available in all
A/D operating modes.
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