參數(shù)資料
型號(hào)： MAC7121MAG40
廠商： Freescale Semiconductor
文件頁數(shù)： 17/56頁
文件大?。?/td> 0K
描述： IC MCU 32BIT FLASH 112-LQFP
標(biāo)準(zhǔn)包裝： 60
系列： MAC7xxx
核心處理器： ARM7
芯體尺寸： 32-位
速度： 40MHz
連通性： CAN，I²C，SCI，SPI
外圍設(shè)備： DMA，POR
輸入/輸出數(shù)： 85
程序存儲(chǔ)器容量： 544KB（544K x 8）
程序存儲(chǔ)器類型： 閃存
RAM 容量： 32K x 8
電壓 - 電源 (Vcc/Vdd)： 2.35 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 16x8/10b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 125°C
封裝/外殼： 112-LQFP
包裝： 托盤
MAC7100 Microcontroller Family Hardware Specifications, Rev. 1.2
Preliminary
Electrical Characteristics
Freescale Semiconductor
24
3.10 Analog-to-Digital Converter
Table 26 and Table 27 show conditions under which the ATD operates. The following constraints exist to
obtain full-scale, full range results: VSSA ≤ VRL ≤ VIN ≤ VRH ≤ VDDA. This constraint exists because the
sample buffer amplifier cannot drive beyond the ATD power supply levels. If the input level goes outside of
this range it will effectively be clipped.
Table 26. ATD Operating Characteristics in 5.0 V Range
Conditions shown in Table 7 unless otherwise noted
Num C
Rating
Symbol
Min
Typ
Max
Unit
N1
D Reference Potential
Low
High
VRL
VRH
VSSA
VDDA ÷ 2
—
VDDA ÷ 2
VDDA
V
N2
C Differential Reference Voltage 1
NOTES:
1. Full accuracy is not guaranteed when differential voltage is less than 4.50 V
VRH – VRL
4.50
5.00
5.50
V
N3
D ATD Clock Frequency
fATDCLK
0.5
—
2.0
MHz
N4
D ATD 10-bit Conversion PeriodfATDCLK Cycles
2
@ 2.0MHz fATDCLK
2. Minimum time assumes a sample period of 2 ATD clocks; maximum time assumes a sample period of 16 ATD clocks.
NCONV10
TCONV10
14
7
—
28
14
Cycles
μs
N5
D ATD 8-bit Conversion PeriodfATDCLK Cycles
@ 2.0MHz fATDCLK
NCONV8
TCONV8
12
6
—
26
13
Cycles
μs
N6
D Stop Recovery Time (VDDA = 5.0 V)
TREC
——
20
μs
N7
P Reference Supply current 1 ATD module on
IREF
—
0.200
0.255
mA
N8
P Reference Supply current 2 ATD modules on
IREF
—
0.400
0.510
mA
Table 27. ATD Operating Characteristics in 3.3 V Range
Conditions shown in Table 7, with VDDX = 3.3 V –5/+10% and a temperature maximum of +140°C unless otherwise
noted.
Num C
Rating
Symbol
Min
Typ
Max
Unit
P1
D Reference Potential
Low
High
VRL
VRH
VSSA
VDDA ÷ 2
—
VDDA ÷ 2
VDDA
V
P2
C Differential Reference Voltage 1
NOTES:
1. Full accuracy is not guaranteed when differential voltage is less than 3.15 V
VRH – VRL
3.15
3.3
3.6
V
P3
D ATD Clock Frequency
fATDCLK
0.5
—
2.0
MHz
P4
D ATD 10-bit Conversion PeriodfATDCLK Cycles
2
@ 2.0MHz fATDCLK
2. Minimum time assumes a sample period of 2 ATD clocks; maximum time assumes a sample period of 16 ATD clocks.
NCONV10
TCONV10
14
7
—
28
14
Cycles
μs
P5
D ATD 8-bit Conversion PeriodfATDCLK Cycles
@ 2.0MHz fATDCLK
NCONV8
TCONV8
12
6
—
26
13
Cycles
μs
P6
D Stop Recovery Time (VDDA = 3.3 V)
TREC
——
20
μs
P7
P Reference Supply current 1 ATD module on
IREF
—
0.130
0.170
mA
P8
P Reference Supply current 2 ATD modules on
IREF
—
0.260
0.340
mA
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAC7121MAG50 制造商:Freescale Semiconductor 功能描述:
MAC7121MFU 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:MAC7100 Microcontroller Family Hardware Specifications
MAC7121MFU50 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontroller Family Hardware Specifications
MAC7121MPV 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:MAC7100 Microcontroller Family Hardware Specifications
MAC7121MPV50 制造商:Rochester Electronics LLC 功能描述:- Bulk
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