參數(shù)資料
型號(hào)： DSP56F805E
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： 16-bit Digital Signal Controllers
中文描述： 16位數(shù)字信號(hào)控制器
文件頁(yè)數(shù)： 43/56頁(yè)
文件大?。?/td> 415K
代理商： DSP56F805E
Controller Area Network (CAN) Timing
56F805 Technical Data, Rev. 15
Freescale Semiconductor
43
1.
Parasitic capacitance due to package, pin to pin, and pin to package base coupling. (1.8pf)
2.
Parasitic capacitance due to the chip bond pad, ESD protection devices and signal routing. (2.04pf)
3.
Equivalent resistance for the ESD isolation resistor and the channel select mux. (500 ohms)
4.
Sampling capacitor at the sample and hold circuit. (1pf)
Figure 3-27 Equivalent Analog Input Circuit
3.13 Controller Area Network (CAN) Timing
ADC Quiescent Current (both ADCs)
I
ADC
—
50
—
mA
V
REF
Quiescent Current (both ADCs)
I
VREF
—
12
16.5
mA
1.
output code of 0.
For optimum ADC performance, keep the minimum V
ADCIN
value > 25mV. Inputs less than 25mV may convert to a digital
2.
DA
-0.3V.
3.
.
Measured in 10-90% range.
4.
LSB = Least Significant Bit.
V
REF
must be equal to or less than V
DDA
and must be greater than 2.7V. For optimal ADC performance, set V
REF
to V
D-
5.
Guaranteed by characterization.
6.
t
AIC
= 1/
f
ADIC
Table 3-17 CAN Timing
2
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, MSCAN Clock = 30MHz
Characteristic
Symbol
Min
Max
Unit
Baud Rate
BR
CAN
—
1
Mbps
Bus Wakeup detection
1
1.
(on MSCAN_RX pin) whose duration is less than 5 microseconds is filtered away. However, a valid CAN bus wakeup detection
takes place for a wakeup pulse equal to or greater than 5 microseconds. The number 5 microseconds originates from the fact
that the CAN wakeup message consists of 5 dominant bits at the highest possible baud rate of 1Mbps.
If Wakeup glitch filter is enabled during the design initialization and also CAN is put into Sleep mode then, any bus event
2.
Parameters listed are guaranteed by design.
T
WAKEUP
5
—
us
Table 3-16 ADC Characteristics (Continued)
Characteristic
Symbol
Min
Typ
Max
Unit
1
2
3
4
ADC analog input
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參數(shù)描述
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DSP56F805EVMUM 制造商:未知廠家 制造商全稱:未知廠家 功能描述:56F805 Evaluation Module Hardware User＇s Manual
DSP56F805FV80 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC 80Mhz/ 40MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)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
DSP56F805FV80E 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC 80Mhz/40MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)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
DSP56F805FV80E 制造商:Freescale Semiconductor 功能描述:Digital Signal Processor IC DSP Type:Cor
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