參數(shù)資料
型號: DSP56852E
廠商: 飛思卡爾半導體(中國)有限公司
英文描述: 16-bit Digital Signal Controllers
中文描述: 16位數(shù)字信號控制器
文件頁數(shù): 18/48頁
文件大?。?/td> 731K
代理商: DSP56852E
56852 Technical Data, Rev. 8
18
Freescale Semiconductor
V
DD
supply current (Core logic, memories, peripherals)
Run
1
Deep Stop
2
Light Stop
3
I
DD4
55
0.02
3.4
70
2.5
8
mA
mA
mA
V
DDIO
supply current (I/O circuity)
Run
5
Deep Stop
2
I
DDIO
40
0
50
300
mA
μ
A
V
DDA
supply current (analog circuity)
Deep Stop
2
I
DDA
60
120
μ
A
Low Voltage Interrupt
6
V
EI
2.5
2.85
V
Low Voltage Interrupt Recovery Hysteresis
V
EIH
50
mV
Power on Reset
7
POR
1.5
2.0
V
Note:
no DC loads; outputs unloaded. All ports configured as inputs; measured with all modules enabled. PLL set to 240MHz out.
Run (operating) I
DD
measured using external square wave clock source (f
osc
= 4MHz) into XTAL. All inputs 0.2V from rail;
1.
Running Core, performing 50% NOP and 50% FIR. Clock at 120 MHz.
2.
Deep Stop Mode - Operation frequency = 4 MHz, PLL set to 4 MHz, crystal oscillator.
3.
Light Stop Mode - Operation frequency = 120 MHz, PLL set to 240 MHz, crystal oscillator.
4.
I
DD
includes current for core logic, internal memories, and all internal peripheral logic circuitry.
Running core and performing external memory access. Clock at 120 MHz.
5.
6.
When V
DD
drops below V
EI
max value, an interrupt is generated.
Power-on reset occurs whenever the digital supply drops below 1.8V. While power is ramping up, this signal remains active
as long as the internal 2.5V is below 1.8V, no matter how long the ramp up rate is. The internally regulated voltage is typically
100mV less than V
DD
during ramp up until 2.5V is reached, at which time it self-regulates.
7.
Table 4-4 DC Electrical Characteristics (Continued)
Operating Conditions: V
SS
= V
SSIO
= V
SSA
= 0V, V
DD
= 1.62-1.98V, V
DDIO
= V
DDA
= 3.0–3.6V, T
A
= –40
°
to +120
°
C, C
L
< 50pF, f
op
= 120MHz
Characteristic
Symbol
Min
Typ
Max
Unit
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