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| 型號(hào)： | PIC24HJ16GP304-I/PT |
| 廠商： | Microchip Technology |
| 文件頁(yè)數(shù)： | 14/289頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC PIC MCU FLASH 16K 44TQFP |
| 產(chǎn)品培訓(xùn)模塊： | Asynchronous Stimulus |
| 標(biāo)準(zhǔn)包裝： | 160 |
| 系列： | PIC® 24H |
| 核心處理器： | PIC |
| 芯體尺寸： | 16-位 |
| 速度： | 40 MIP |
| 連通性： | I²C，IrDA，LIN，SPI，UART/USART |
| 外圍設(shè)備： | 欠壓檢測(cè)/復(fù)位，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 35 |
| 程序存儲(chǔ)器容量： | 16KB（5.5K x 24） |
| 程序存儲(chǔ)器類型： | 閃存 |
| RAM 容量： | 2K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 3 V ~ 3.6 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 13x10b/12b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 44-TQFP |
| 包裝： | 托盤(pán) |
| 產(chǎn)品目錄頁(yè)面： | 648 (CN2011-ZH PDF) |
| 配用： | 876-1004-ND - PIC24 BREAKOUT BOARD DM240001-ND - BOARD DEMO PIC24/DSPIC33/PIC32 |
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PIC24HJ32GP202/204 AND PIC24HJ16GP304
DS70289J-page 110
2007-2011 Microchip Technology Inc.
10.7
I/O Helpful Tips
1.
under “Injection Current”, have internal
ADC accuracy by four to six counts.
2.
I/O pins that are shared with any analog input pin,
(i.e., ANx), are always analog pins by default after
any reset. Consequently, any pin(s) configured as
an analog input pin, automatically disables the dig-
ital input pin buffer. As such, any attempt to read a
digital input pin will always return a ‘0’ regardless
of the digital logic level on the pin if the analog pin
is configured. To use a pin as a digital I/O pin on a
shared ANx pin, the user application needs to con-
figure the analog pin configuration registers in the
ADC module, (i.e., ADxPCFGL, AD1PCFGH), by
setting the appropriate bit that corresponds to that
I/O port pin to a ‘1’. On devices with more than one
ADC, both analog pin configurations for both ADC
modules must be configured as a digital I/O pin for
that pin to function as a digital I/O pin.
3.
Most I/O pins have multiple functions. Referring to
the device pin diagrams in the data sheet, the pri-
orities of the functions allocated to any pins are
indicated by reading the pin name from
left-to-right. The left most function name takes pre-
cedence over any function to its right in the naming
convention. For example: AN16/T2CK/T7CK/RC1.
This indicates that AN16 is the highest priority in
this example and will supersede all other functions
to its right in the list. Those other functions to its
right, even if enabled, would not work as long as
any other function to its left was enabled. This rule
applies to all of the functions listed for a given pin.
4.
Each CN pin has a configurable internal weak
pull-up resistor. The pull-ups act as a current
source connected to the pin, and eliminates the
need for external resistors in certain applica-
tions. The internal pull-up is to ~(VDD-0.8) not
VDD. This is still above the minimum VIH of
CMOS and TTL devices.
5.
When driving LEDs directly, the I/O pin can source
or sink more current than what is specified in the
VOH/IOH and VOL/IOL DC characteristic specifica-
tion. The respective IOH and IOL current rating only
applies to maintaining the corresponding output at
or above the VOH and at or below the VOL levels.
However, for LEDs unlike digital inputs of an exter-
nally connected device, they are not governed by
the same minimum VIH/VIL levels. An I/O pin out-
put can safely sink or source any current less than
that listed in the absolute maximum rating section
of the data sheet. For example:
VOH = 2.4v @ IOH = -8 mA and VDD = 3.3V
The maximum output current sourced by any 8 mA
I/O pin = 12 mA.
LED source current < 12 mA is technically
permitted. Refer to the VOH/IOH graphs in
for
additional information.
10.8
I/O Resources
Many useful resources are provided on the main prod-
uct page of the Microchip web site for the devices listed
in this data sheet. This product page, which can be
accessed using this link, contains the latest updates
and additional information.
10.8.1
KEY RESOURCES
Section 10. “I/O Ports” (DS70193)
Code Samples
Application Notes
Software Libraries
Webinars
All related dsPIC33F/PIC24H Family Reference
Manuals Sections
Development Tools
Note:
Although it is not possible to use a digital
input pin when its analog function is
enabled, it is possible to use the digital I/O
output function, TRISx = 0x0, while the
analog function is also enabled. However,
this is not recommended, particularly if the
analog input is connected to an external
analog voltage source, which would cre-
ate signal contention between the analog
signal and the output pin driver.
Note:
In the event you are not able to access
the product page using the link above,
enter
this
URL
in
your
browser:
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| PIC24HJ16GP304T-I/ML | 功能描述:16位微控制器 - MCU 16B MCU 44LD16KB 40 MIPS RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| PIC24HJ16GP304T-I/PT | 功能描述:16位微控制器 - MCU 16B MCU 16KB 40 MIPS RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| PIC24HJ256GP206 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Flash Programming Specification |
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