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參數(shù)資料
| 型號(hào)： | PCF51AC256BCLKE |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 25/42頁 |
| 文件大小： | 0K |
| 描述： | MCU 8BIT 256K FLASH 80-LQFP |
| 標(biāo)準(zhǔn)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： | I²C，SCI，SPI |
| 外圍設(shè)備： | LVD，PWM，WDT |
| 輸入/輸出數(shù)： | 69 |
| 程序存儲(chǔ)器容量： | 256KB（256K x 8） |
| 程序存儲(chǔ)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 |
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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
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCF51AC256BCPUE | 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(shí)鐘頻率:90 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT |
| PCF51AG128VLF | 制造商:Freescale Semiconductor 功能描述:PCF51AG128VLF - Bulk |
| PCF51AG128VLH | 制造商:Freescale Semiconductor 功能描述:PCF51AG128VLH - Bulk |
| PCF51AG128VLK | 制造商:Freescale Semiconductor 功能描述:PCF51AG128VLK - Bulk |
| PCF51AG128VQH | 制造商:Freescale Semiconductor 功能描述:PCF51AG128VQH - Bulk |
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