參數(shù)資料
型號： PCF51AC256ACLKE
廠商： Freescale Semiconductor
文件頁數(shù)： 25/42頁
文件大?。?/td> 0K
描述： MCU 8BIT 256K FLASH 80-LQFP
標準包裝： 90
系列： MCF51AC
核心處理器： Coldfire V1
芯體尺寸： 32-位
速度： 50MHz
連通性： CAN，I²C，SCI，SPI
外圍設(shè)備： LVD，PWM，WDT
輸入/輸出數(shù)： 69
程序存儲器容量： 256KB（256K x 8）
程序存儲器類型： 閃存
RAM 容量： 32K x 8
電壓 - 電源 (Vcc/Vdd)： 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 24x12b
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 80-LQFP
包裝： 托盤
Electrical Characteristics
MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.7
Freescale Semiconductor
31
2.9
External Oscillator (XOSC) Characteristics
3 Monotonicity and No-Missing-Codes guaranteed in 10-bit and 8-bit modes
4 Based on input pad leakage current. Refer to pad electricals.
Table 15. Oscillator Electrical Specifications (Temperature Range = –40 to 105
C Ambient)
Num
C
Rating
Symbol
Min
Typical1
1 Data in Typical column was characterized at 5.0 V, 25
C or is typical recommended value.
Max
Unit
1C
Oscillator crystal or resonator (EREFS = 1, ERCLKEN = 1)
Low range (RANGE = 0)
High range (RANGE = 1) FEE or FBE mode2
High range (RANGE = 1) PEE or PBE mode3
High range (RANGE = 1, HGO = 1) BLPE mode
High range (RANGE = 1, HGO = 0) BLPE mode
2 When MCG is configured for FEE or FBE mode, input clock source must be divisible using RDIV to within the range of
31.25 kHz to 39.0625 kHz.
3 When MCG is configured for PEE or PBE mode, input clock source must be divisible using RDIV to within the range of 1 MHz
to 2 MHz.
flo
fhi-fll
fhi-pll
fhi-hgo
fhi-lp
32
1
—
38.4
5
16
8
kHz
MHz
2
— Load capacitors
C1
C2
See crystal or resonator
manufacturer’s recommendation.
3—
Feedback resistor
Low range (32 kHz to 38.4 kHz)
High range (1 MHz to 16 MHz)
RF
10
1
M
4—
Series resistor
Low range, low gain (RANGE = 0, HGO = 0)
Low range, high gain (RANGE = 0, HGO = 1)
High range, low gain (RANGE = 1, HGO = 0)
High range, high gain (RANGE = 1, HGO = 1)
8 MHz
MHz
RS
—
0
100
0
—
0
10
20
k
5T
Crystal start-up time 4
Low range, low gain (RANGE = 0, HGO = 0)
Low range, high gain (RANGE = 0, HGO = 1)
High range, low gain (RANGE = 1, HGO = 0)5
High range, high gain (RANGE = 1, HGO = 1)5
4 This parameter is characterized and not tested on each device. Proper PC board layout procedures must be followed to
achieve specifications.
5 4 MHz crystal
t
CSTL-LP
t
CSTL-HGO
t
CSTH-LP
t
CSTH-HGO
—
200
400
5
15
—
ms
6T
Square wave input clock frequency (EREFS = 0, ERCLKEN =
1)
FEE or FBE mode 2
PEE or PBE mode 3
BLPE mode
fextal
0.03125
1
0
—
5
16
40
MHz
相關(guān)PDF資料
PDF描述
PCF51AC256ACFUE MCU 8BIT 256K FLASH 64-QFP
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PCF51AC128CCFUE MCU 8BIT 128K FLASH 64-QFP
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PCF51AC256ACPUE 功能描述:32位微控制器 - MCU 32 Bit 256K FLASH 32K RAM CAN EN RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風格:SMD/SMT
PCF51AC256AVFUE 制造商:Freescale Semiconductor 功能描述:256KFLASH,32K RAM,CAN EN - Trays
PCF51AC256AVLKE 制造商:Freescale Semiconductor 功能描述:MCU 32BIT RISC 256KB FLASH 3.3V/5V 80LQFP - Trays
PCF51AC256AVPUE 制造商:Freescale Semiconductor 功能描述:256KFLASH,32K RAM,CAN EN - Trays
PCF51AC256BCFUE 功能描述:32位微控制器 - MCU 32 Bit 256K FLASH 32K RAM NO CAN RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風格:SMD/SMT
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