參數(shù)資料
型號： DSP56853E
廠商： 飛思卡爾半導(dǎo)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)： 34/60頁
文件大小： 836K
代理商： DSP56853E
56853 Technical Data, Rev. 6
34
Freescale Semiconductor
IRQA, IRQB Assertion to External Data Memory
Access Out Valid, caused by first instruction execution
in the interrupt service routine
t
IDM
18T
—
ns
4-13
t
IDM -FAST
14T
—
IRQA, IRQB Assertion to General Purpose Output
Valid, caused by first instruction execution in the
interrupt service routine
t
IG
18T
—
ns
4-13
t
IG -FAST
14T
—
IRQA Low to First Valid Interrupt Vector Address Out
recovery from Wait State
4
t
IRI
22T
—
ns
4-14
t
IRI -FAST
18T
—
Delay from IRQA Assertion (exiting Stop) to External
Data Memory
5
t
IW
1.5T
—
ns
4-15
Delay from IRQA Assertion (exiting Wait) to External
Data Memory
Fast
6
Normal
7
t
IF
18T
22ET
—
—
ns
ns
4-15
RSTO pulse width
8
normal operation
internal reset mode
t
RSTO
128ET
8ET
—
—
—
—
4-16
1.
2.
3.
clock, t
xtal
, t
extal
or t
osc
.
4.
The minimum is specified for the duration of an edge-sensitive IRQA interrupt required to recover from the Stop state. This is
not the minimum required so that the IRQA interrupt is accepted.
5.
The interrupt instruction fetch is visible on the pins only in Mode 3.
6.
Fast stop mode:
Fast stop recovery applies when external clocking is in use (direct clocking to XTAL) or when fast stop mode recovery is
requested (OMR bit 6 is set to 1). In both cases the PLL and the master clock are unaffected by stop mode entry. Recovery takes
one less cycle and t
clk
will continue same value it had before stop mode was entered.
7.
Normal stop mode:
As a power saving feature, normal stop mode disables and bypasses the PLL. Stop mode will then shut down the master
clock, recovery will take an extra cycle (to restart the clock), and t
clk
will resume at the input clock source rate.
8.
ET = External Clock period, For an external crystal frequency of 8MHz, ET=125 ns.
In the formulas, T = clock cycle. For f
op
= 120MHz operation and f
ipb
= 60MHz, T = 8.33ns.
Parameters listed are guaranteed by design.
At reset, the PLL is disabled and bypassed. The part is then put into Run mode and t
clk
assumes the period of the source
Table 4-8 Reset, Stop, Wait, Mode Select, and Interrupt Timing
1, 2 (Continued)
Operating Conditions: V
SS
= V
SSIO
= V
SSA
= 0 V, 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
Max
Unit
See Figure
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參數(shù)描述
DSP56853FG120 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 120Mhz/120MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
DSP56853FGE 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 120Mhz/120MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
DSP56853PB 制造商:未知廠家 制造商全稱:未知廠家 功能描述:56853 Digital Signal Processor Product Brief
DSP56854 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers
DSP56854E 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers
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