參數(shù)資料
型號: DSP56F801FA80E
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): 29/48頁
文件大?。?/td> 375K
代理商: DSP56F801FA80E
Reset, Stop, Wait, Mode Select, and Interrupt Timing
56F801 Technical Data, Rev. 16
Freescale Semiconductor
29
3.6 Reset, Stop, Wait, Mode Select, and Interrupt Timing
Table 3-11 Reset, Stop, Wait, Mode Select, and Interrupt Timing
1, 5
Operating Conditions:
V
SS
= V
SSA
= 0 V, V
DD
= V
DDA
= 3.0–3.6 V, T
A
= –40
°
to +85
°
C, C
L
50pF
1.
In the formulas, T = clock cycle. For an operating frequency of 80MHz, T = 12.5ns.
Characteristic
Symbol
Min
Max
Unit
See
RESET Assertion to Address, Data and Control
Signals High Impedance
t
RAZ
21
ns
Figure 3-13
Minimum RESET Assertion Duration
2
OMR Bit 6 = 0
OMR Bit 6 = 1
2.
Circuit stabilization delay is required during reset when using an external clock or crystal oscillator in two cases:
After power-on reset
When recovering from Stop state
t
RA
275,000T
128T
ns
ns
Figure 3-13
RESET De-assertion to First External Address
Output
t
RDA
33T
34T
ns
Figure 3-13
Edge-sensitive Interrupt Request Width
t
IRW
1.5T
ns
Figure 3-14
IRQA, IRQB Assertion to External Data Memory
Access Out Valid, caused by first instruction
execution in the interrupt service routine
t
IDM
15T
ns
Figure 3-15
IRQA, IRQB Assertion to General Purpose Output
Valid, caused by first instruction execution in the
interrupt service routine
t
IG
16T
ns
Figure 3-15
IRQA Low to First Valid Interrupt Vector Address
Out recovery from Wait State
3
3.
the minimum required so that the IRQA interrupt is accepted.
The minimum is specified for the duration of an edge-sensitive IRQA interrupt required to recover from the Stop state. This is not
t
IRI
13T
ns
Figure 3-16
IRQA Width Assertion to Recover from Stop State
4
4.
The interrupt instruction fetch is visible on the pins only in Mode 3.
5.
Parameters listed are guaranteed by design.
t
IW
2T
ns
Figure 3-17
Delay from IRQA Assertion to Fetch of first
instruction (exiting Stop)
OMR Bit 6 = 0
OMR Bit 6 = 1
t
IF
275,000T
12T
ns
ns
Figure 3-17
Duration for Level Sensitive IRQA Assertion to
Cause the Fetch of First IRQA Interrupt Instruction
(exiting Stop)
OMR Bit 6 = 0
OMR Bit 6 = 1
t
IRQ
275,000T
12T
ns
ns
Figure 3-18
Delay from Level Sensitive IRQA Assertion to First
Interrupt Vector Address Out Valid (exiting Stop)
OMR Bit 6 = 0
OMR Bit 6 = 1
t
II
275,000T
12T
ns
ns
Figure 3-18
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DSP56F802TA60 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 60Mhz/30MIPS 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