参数资料
型号: MC56F8256VLF
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 60 MHz, MICROCONTROLLER, PQFP48
封装: 7 X 7 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, PLASTIC, MS-026BBC, LQFP-48
文件页数: 69/88页
文件大小: 4050K
代理商: MC56F8256VLF
Specifications
MC56F825x/MC56F824x Digital Signal Controller, Rev. 3
Freescale Semiconductor
71
7.27
5-Bit
Digital-to-Analog Converter (DAC) Parameters
7.28
HSCMP Specifications
7.29
Optimize Power Consumption
See Section 7.7, “Supply Current Characteristics,” for a list of IDD requirements for the MC56F825x/MC56F824x. This section
provides additional details for optimizing power consumption for a given application.
Power consumption is given by the following equation:
A, the internal [static] component, consists of the DC bias currents for the oscillator, leakage currents, PLL, and voltage
references. These sources operate independently of processor state or operating frequency.
1 No guaranteed specification within 5% of VDDA or VSSA
2 LSB = 0.806 mV
Table 43. 5-Bit DAC Specifications
Parameter
Symbol
Min
Typ
Max
Unit
Reference Inputs
Vin
VDDA
VDDA
mV
Setup Delay
tPRGST
TBD
ns
Step size
VSTEP
3Vin/128
Vin/32
5Vin/128
V
Output Range
VDACOUT
Vin/32
Vin
ns
Table 44. HSCMP Specifications
Parameter
Symbol
Min
Typ
Max
Unit
Analog input voltage
VAIN
VSSA – 0.01
VDDA + 0.01
V
Analog input offset voltage1
1 Offset when the degree of hysteresis is set to its minimum value.
VAIO
——
40
mV
Analog comparator hysteresis2
2 The range of hysteresis is based on simulation only. This range varies from part to part.
VH
1 to 16
mV
Propagation Delay, high speed mode (EN=1,
PMODE=1),
tDHSN
3
3 Measured with an input waveform that switches 30 mV above and below the reference, to the CMPO output pin. V
DDA >
VLVI_WARNING => LVI_WARNING NOT ASSERTED.
70
140
ns
Propagation Delay, Low Speed Mode (EN=1,
PMODE=0),
tAINIT
4
4 Measured with an input waveform that switches 30 mV above and below the reference, to the CMPO output pin. V
DDA >
VLVI_WARNING => LVI_WARNING NOT ASSERTED.
400
600
ns
Total power =
A:
internal [static] component
+B: internal [state-dependent] component
+C: internal [dynamic] component
+D: external [dynamic] component
+E: external [static] component
相关PDF资料
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