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參數資料
型號： MC56F8356
廠商： Motorola, Inc.
英文描述： 56F8356 16-bit Hybrid Controller
中文描述： 56F8356 16位混合控制器
文件頁數： 133/160頁
文件大小： 1380K
代理商： MC56F8356
Crystal Oscillator Timing
56F8356 Technical Data
Preliminary
133
10.7 Crystal Oscillator Timing
10.8 External Memory Interface Timing
The External Memory Interface is designed to access static memory and peripheral devices.
Figure 10-4
shows sample timing and parameters that are detailed in
Table 10-16
.
The timing of each parameter consists of both a fixed delay portion and a clock related portion, as
well as user controlled wait states. The equation:
t = D + P * (M + W)
should be used to determine the actual time of each parameter. The terms in this equation are
defined as:
When using the XTAL clock input directly as the chip clock without prescaling (ZSRC selects
prescaler clock and prescaler set to
÷
1),
the EMI quadrature clock is generated using both edges
of the EXTAL clock input. In this one situation parameter values need to be adjusted for the duty
cycle at XTAL. DCAOE and DCAEO are used to make this duty cycle adjustment where needed.
Table 10-15 Crystal Oscillator Parameters
Characteristic
Symbol
Min
Typ
Max
Unit
Crystal Start-up time
T
CS
4
5
10
ms
Resonator Start-up time
T
RS
0.1
0.18
1
ms
Crystal ESR
R
ESR
—
—
120
ohms
Crystal Peak-to-Peak Jitter
T
D
70
—
250
ps
Crystal Min-Max Period Variation
T
PV
0.12
—
1.5
ns
Resonator Peak-to-Peak Jitter
T
RJ
—
—
300
ps
Resonator Min-Max Period Variation
T
RP
—
—
300
ps
Bias Current, high-drive mode
I
BIASH
—
250
290
μ
A
Bias Current, low-drive mode
I
BIASL
—
80
110
μ
A
Quiescent Current, power-down mode
I
PD
—
0
1
μ
A
t
D
P
= Parameter delay time
= Fixed portion of the delay, due to on-chip path delays
= Period of the system clock, which determines the execution rate of the part
(i.e., when the device is operating at 60MHz, P = 16.67 ns)
= Fixed portion of a clock period inherent in the design; this number is adjusted to account
for possible derating of clock duty cycle
= Sum of the applicable wait state controls. The “Wait State Controls” column of
Table 10-16
shows the applicable controls for each parameter and the EMI chapter of the
56F8300 Peripheral User Manual
details what each wait state field controls.
M
W
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
相關PDF資料
PDF描述
MC56F8356VFV60 56F8356 16-bit Hybrid Controller
MC56F8356MFV60 56F8356 16-bit Hybrid Controller
MC56F8357 16-bit Digital Signal Processor
MC56F8357 16-BIT HYBRID CONTROLLERS
MC56F8357MPY60 16-bit Digital Signal Processor
相關代理商/技術參數
參數描述
MC56F8356MFV60 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC56F8356MFVE 功能描述:數字信號處理器和控制器 - DSP, DSC 16 BIT HYBRID CONTROLLER RoHS:否 制造商:Microchip Technology 核心:dsPIC 數據總線寬度:16 bit 程序存儲器大小:16 KB 數據 RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數量:35 定時器數量:3 設備每秒兆指令數: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 安裝風格:SMD/SMT
MC56F8356VFV60 功能描述:數字信號處理器和控制器 - DSP, DSC 60MHz 60MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數據總線寬度:16 bit 程序存儲器大小:16 KB 數據 RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數量:35 定時器數量:3 設備每秒兆指令數: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 安裝風格:SMD/SMT
MC56F8356VFVE 功能描述:數字信號處理器和控制器 - DSP, DSC 60MHz 60MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數據總線寬度:16 bit 程序存儲器大小:16 KB 數據 RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數量:35 定時器數量:3 設備每秒兆指令數: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 安裝風格:SMD/SMT
MC56F8357 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16-BIT HYBRID CONTROLLERS
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