參數(shù)資料
型號: XE8807AMI026TLF
廠商: Semtech
文件頁數(shù): 118/143頁
文件大?。?/td> 0K
描述: IC MCU LOW PWR MTP FLASH 32-TQFP
標(biāo)準(zhǔn)包裝: 1
系列: XE880x
應(yīng)用: 感測機(jī)
核心處理器: Coolrisc816?
程序存儲器類型: 閃存(11 kB)
控制器系列: XE8000
RAM 容量: 512 x 8
接口: UART,USRT
輸入/輸出數(shù): 24
電源電壓: 2.4 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-TQFP
包裝: 標(biāo)準(zhǔn)包裝
供應(yīng)商設(shè)備封裝: 32-TQFP(7x7)
產(chǎn)品目錄頁面: 585 (CN2011-ZH PDF)
配用: XE8000MP-ND - PROG BOARD AND PROSTART2 CARD
其它名稱: XE8807AMI026DKR
Semtech 2006
www.semtech.com
12-7
XE8806A/XE8807A
The input buffer is always active, except in analog mode. This means that the Port B input should be a valid digital
value at all times unless the pin is set in analog mode. Violating this rule may lead to high power consumption.
12.7.2
Port B digital function specification
sym
description
min
typ
max
unit
Comments
VINH
Input high voltage
0.7*VBAT
VBAT
V
VBAT
≥2.4V
VINL
Input low voltage
VSS
0.2*VBAT
V
VBAT
≥2.4V
VOH
Output high voltage
VBAT-0.4
VBAT
V
VBAT=1.2V, IOH =0.3mA
VBAT=2.4V, IOH =5.0mA
VBAT=4.5V, IOH =8.0mA
VOL
Output low voltage
VSS
VSS+0.4
V
VBAT=1.2V, IOL =0.3mA
VBAT=2.4V, IOL
=12.0mA
VBAT=4.5V, IOL
=15.0mA
RPU
Pull-up resistance
20
50
80
k
Cin
Input capacitance
3.5
pF
Note 1
Note 1: this value is indicative only since it depends on the package.
Table 12-12. Digital port specification
12.8
Low power comparators
If the low power comparator (CMPD) peripheral is present in the circuit, the signals on the pins PB[7:4] can be used
as inputs for these low power comparators. Although the comparators are functional independent of the Port B
configuration, it is recommended to set the pins that are used for the CMPD in analog mode without selecting any
analog lines. This to avoid high power consumption in the digital input buffer when analog or slowly varying digital
signals are applied.
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