參數(shù)資料
型號(hào): PCF51AC256ACLKE
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 24/42頁(yè)
文件大?。?/td> 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: CAN,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(lèi)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(pán)
MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.7
Electrical Characteristics
Freescale Semiconductor
30
7P
Conversion
time (including
sample time)
Short sample (ADLSMP = 0)
tADC
—20
ADCK
cycles
See
for
conversion
time
variances
Long sample (ADLSMP = 1)
40
8T
Sample time
Short sample (ADLSMP = 0)
tADS
—3.5
ADCK
cycles
Long sample (ADLSMP = 1)
23.5
9
T
Total
unadjusted
error
12-bit mode
ETUE
3.0
Includes
quantizatio
n
P
10-bit mode
1
2.5
T
8-bit mode
0.5
1.0
10
T
Differential
non-linearity
12-bit mode
DNL
1.75
LSB2
P
10-bit mode3
0.5
1.0
T
8-bit mode3
0.3
0.5
11
T
Integral
non-linearity
12-bit mode
INL
1.5
T
10-bit mode
0.5
1.0
T
8-bit mode
0.3
0.5
12
T
Zero-scale
error
12-bit mode
EZS
1.5
VADIN =
VSSA
P
10-bit mode
0.5
1.5
T
8-bit mode
0.5
13
T
Full-scale error
12-bit mode
EFS
1—
VADIN =
VDDA
P
10-bit mode
0.5
1
T
8-bit mode
0.5
14
D
Quantization
error
12-bit mode
EQ
–1 to 0
10-bit mode
0.5
8-bit mode
0.5
15
D
Input leakage
error
12-bit mode
EIL
1—
Pad
leakage4 *
RAS
10-bit mode
0.2
2.5
8-bit mode
0.1
1
16
D
Temp sensor
voltage
25
CV
TEMP25
—1.396
V
17
D
Temp sensor
slope
–40
C–25 C
m
—3.266
mV/C
25
C–85 C—
3.638
1 Typical values assume V
DDA = 5.0 V, Temp = 25 C, fADCK = 1.0 MHz unless otherwise stated. Typical values are for reference only
and are not tested in production.
2 1 LSB = (V
REFH – VREFL)/2
N.
Table 14. 5 Volt 12-bit ADC Characteristics (VREFH = VDDA, VREFL = VSSA) (continued)
Num
C
Characteristic
Conditions
Symb
Min
Typical1
Max
Unit
Comment
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