參數(shù)資料
型號(hào): MC9S12D64MFU
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, QFP-80
文件頁數(shù): 109/128頁
文件大?。?/td> 1835K
代理商: MC9S12D64MFU
MC9S12DJ64 Device User Guide — V01.20
81
Table 22-1 Suggested External Component Values
The PCB must be carefully laid out to ensure proper operation of the voltage regulator as well as of the
MCU itself. The following rules must be observed:
Every supply pair must be decoupled by a ceramic capacitor connected as near as possible to the
corresponding pins(C1 - C6).
Central point of the ground star should be the VSSR pin.
Use low ohmic low inductance connections between VSS1, VSS2 and VSSR.
VSSPLL must be directly connected to VSSR.
Keep traces of VSSPLL, EXTAL and XTAL as short as possible and occupied board area for C7,
C8, C11 and Q1 as small as possible.
Do not place other signals or supplies underneath area occupied by C7, C8, C10 and Q1 and the
connection area to the MCU.
Central power input should be fed in at the VDDA/VSSA pins.
Component
Purpose
Type
Value
C1
VDD1 lter cap
ceramic X7R
100 .. 220nF
C2
VDD2 lter cap
ceramic X7R
100 .. 220nF
C3
VDDA lter cap
ceramic X7R
100nF
C4
VDDR lter cap
X7R/tantalum
>=100nF
C5
VDDPLL lter cap
ceramic X7R
100nF
C6
VDDX lter cap
X7R/tantalum
>=100nF
C7
OSC load cap
C8
OSC load cap
C9 / CS
PLL loop lter cap
See PLL specication chapter
C10 / CP
PLL loop lter cap
C11 / CDC
DC cutoff cap
Colpitts mode only, if recommended by
quartz manufacturer
R1
PLL loop lter res
See PLL specication chapter
R2 / RB
PLL loop lter res
Pierce mode only
R3 / RS
PLL loop lter res
Q1
Quartz
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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MC9S12D64MPV 功能描述:IC MCU 64K FLASH 25MHZ 112-LQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:HCS12 標(biāo)準(zhǔn)包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN,SCI,SPI 外圍設(shè)備:POR,PWM,溫度傳感器,WDT 輸入/輸出數(shù):21 程序存儲(chǔ)器容量:40KB(20K x 16) 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 6x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323
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