参数资料
型号: PIC24FJ128GB110T-I/PF
厂商: Microchip Technology
文件页数: 5/22页
文件大小: 0K
描述: IC PIC MCU FLASH 100TQFP
标准包装: 1,000
系列: PIC® 24F
核心处理器: PIC
芯体尺寸: 16-位
速度: 32MHz
连通性: I²C,SPI,UART/USART,USB OTG
外围设备: 欠压检测/复位,LVD,POR,PWM,WDT
输入/输出数: 83
程序存储器容量: 128KB(43K x 24)
程序存储器类型: 闪存
RAM 容量: 16K x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 3.6 V
数据转换器: A/D 16x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 100-TQFP
包装: 带卷 (TR)
其它名称: PIC24FJ128GB110T-I/PFTR
2008-2011 Microchip Technology Inc.
DS80369N-page 13
PIC24FJ256GB110 FAMILY
38. Module: USB (Device and Host Modes)
In previous literature for this module, the
ACTVIF
interrupt
flag
(U1OTGIR<4>)
is
described as being asserted, based on state
changes detected on D+, D- or VBUS, when the
microcontroller is in Sleep mode. In actual
implementation,
state
changes
on
the
RF3/USBID pin also cause the ACTVIF flag to
be asserted.
As a result, logic input level changes on
RF3/USBID may cause ACTVIF to be
asserted, even in non-OTG applications that do
not use the USBID function. This may cause the
microcontroller to wake up unexpectedly.
Work around
For On-The-Go (OTG) Based Applications: No
work around is needed.
For non-OTG Device, Host or Dual-Role
Applications: If ACTVIF is used as a wake-up
source, it is recommended that the application be
designed so that RF3/USBID does not see any
changes while the microcontroller is in a
power-saving mode.
If RF3/USBID is not needed in the application, it
is recommended to configure it as a digital output.
If the RF3/USBID pin is configured as a digital
input, ensure that the signal provider does not
change the pin state while ACTVIF is enabled as
a wake-up source. If the pin is used as a general
purpose input, which can change while in the
USB Suspend state, check the IDIF flag
(U1OTGIR<7>) after waking up from an ACTVIF
event to determine if the wake-up event was
caused by a state change on RF3/USBID.
Affected Silicon Revisions
A3
A5
A6
XX
X
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