参数资料
型号: DSP56F803BU80E
厂商: Freescale Semiconductor
文件页数: 27/52页
文件大小: 0K
描述: IC DSP 80MHZ 64KB FLASH 100LQFP
特色产品: DSP56F803 Digital Signal Controller
标准包装: 90
系列: 56F8xx
核心处理器: 56800
芯体尺寸: 16-位
速度: 80MHz
连通性: CAN,EBI/EMI,SCI,SPI
外围设备: POR,PWM,WDT
输入/输出数: 16
程序存储器容量: 71KB(35.5K x 16)
程序存储器类型: 闪存
RAM 容量: 2.5K x 16
电压 - 电源 (Vcc/Vdd): 3 V ~ 3.6 V
数据转换器: A/D 8x12b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 100-LQFP
包装: 托盘
Reset, Stop, Wait, Mode Select, and Interrupt Timing
56F803 Technical Data, Rev. 16
Freescale Semiconductor
33
Edge-sensitive Interrupt Request Width
tIRW
1.5T
ns
IRQA, IRQB Assertion to External Data Memory
Access Out Valid, caused by first instruction execution
in the interrupt service routine
tIDM
15T
ns
IRQA, IRQB Assertion to General Purpose Output
Valid, caused by first instruction execution in the
interrupt service routine
tIG
16T
ns
IRQA Low to First Valid Interrupt Vector Address Out
recovery from Wait State3
tIRI
13T
ns
IRQA Width Assertion to Recover from Stop State4
tIW
2T
ns
Delay from IRQA Assertion to Fetch of first instruction
(exiting Stop)
OMR Bit 6 = 0
OMR Bit 6 = 1
tIF
275,000T
12T
ns
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
tIRQ
275,000T
12T
ns
Delay from Level Sensitive IRQA Assertion to First
Interrupt Vector Address Out Valid (exiting Stop)
OMR Bit 6 = 0
OMR Bit 6 = 1
tII
275,000T
12T
ns
1.
In the formulas, T = clock cycle. For an operating frequency of 80MHz, T = 12.5ns.
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
3.
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.
4.
The interrupt instruction fetch is visible on the pins only in Mode 3.
5.
Parameters listed are guaranteed by design.
Table 3-11 Reset, Stop, Wait, Mode Select, and Interrupt Timing (Continued)1, 5
Operating Conditions: V
SS = VSSA = 0 V, VDD = VDDA = 3.0–3.6V, TA = –40° to +85°C, CL 50pF
Characteristic
Symbol
Min
Max
Unit
See Figure
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