參數(shù)資料
型號(hào): PCF51AC256BCPUE
廠商: Freescale Semiconductor
文件頁數(shù): 22/42頁
文件大?。?/td> 0K
描述: MCU 8BIT 256K FLASH 64-LQFP
標(biāo)準(zhǔn)包裝: 160
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): 54
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 20x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-LQFP
包裝: 托盤
Electrical Characteristics
MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.7
Freescale Semiconductor
29
Figure 10. ADC Input Impedance Equivalency Diagram
Table 14. 5 Volt 12-bit ADC Characteristics (VREFH = VDDA, VREFL = VSSA)
Num
C
Characteristic
Conditions
Symb
Min
Typical1
Max
Unit
Comment
1T
Supply current
ADLPC = 1
ADLSMP = 1
ADCO = 1
IDDA
—133
A
2T
Supply current
ADLPC = 1
ADLSM = 0
ADCO = 1
IDDA
—218
A
3T
Supply current
ADLPC = 0
ADLSMP = 1
ADCO = 1
IDDA
—327
A
4D
Supply current
ADLPC = 0
ADLSMP = 0
ADCO = 1
IDDA
—0.582
1
mA
5
T
Supply current
Stop, reset, module off
IDDA
—0.011
1
A
6P
ADC
asynchronous
clock source
High speed (ADLPC = 0)
fADACK
23.3
5
MHz
tADACK =
1/fADACK
Low power (ADLPC = 1)
1.25
2
3.3
+
+
VAS
RAS
CAS
VADIN
ZAS
Pad
leakage
due to
input
protection
ZADIN
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
RADIN
ADC SAR
ENGINE
SIMPLIFIED
CHANNEL SELECT
CIRCUIT
INPUT PIN
RADIN
CADIN
INPUT PIN
RADIN
INPUT PIN
RADIN
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