參數(shù)資料
型號: DSP56F802TA80E
廠商: Freescale Semiconductor
文件頁數(shù): 16/40頁
文件大?。?/td> 0K
描述: IC DSP 60MHZ 16KB FLASH 32-LQFP
標(biāo)準(zhǔn)包裝: 250
系列: 56F8xx
核心處理器: 56800
芯體尺寸: 16-位
速度: 80MHz
連通性: SCI
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 8
程序存儲器容量: 20KB(10K x 16)
程序存儲器類型: 閃存
RAM 容量: 2K x 16
電壓 - 電源 (Vcc/Vdd): 3 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 5x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 32-LQFP
包裝: 托盤
Clock Operation
56F802 Technical Data, Rev. 9
Freescale Semiconductor
23
Due to the inherent frequency tolerances required for SCI communication, changing the factory-trimmed
oscillator frequency is not recommended. If modification of the Boot Flash contents are required, code
must be included which retrieves the optimum trim value (from address $103F in the Data Flash
Information Block) and writes it to the IOSCTL register. Note that the IFREN bit in the Data Flash control
register must be set in order to read the Data Flash Information Block.
Figure 3-7 Typical Relaxation Oscillator Frequency vs. Temperature
(Trimmed to 8MHz @ 25oC)
Table 3-8 Relaxation Oscillator Characteristics
Operating Conditions: VSS = VSSA = 0 V, VDD = VDDA = 3.0–3.6 V, TA = –40° to +85°C
Characteristic
Symbol
Min
Typ
Max
Unit
Frequency Accuracy1
1. Over full temperature range.
Δf
+2
+5
%
Frequency Drift over Temp
Δf/Δt
+0.1
%/oC
Frequency Drift over Supply
Δf/ΔV
0.1
%/V
8.2
8.0
8.3
8.4
7.9
8.1
7.8
75
55
-40
35
-25
15
-5
85
Temperature (oC)
Output
Freq
uen
cy
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