Copyright Cirrus Logic, Inc. 2011 (All Rights Reserved) 15 EP7311 High-Performance, Low-Power S" />
參數(shù)資料
型號: EP7311-CV-90
廠商: Cirrus Logic Inc
文件頁數(shù): 7/42頁
文件大小: 0K
描述: IC ARM720T MCU 90MHZ 208-LQFP
標(biāo)準(zhǔn)包裝: 36
系列: EP7
核心處理器: ARM7
芯體尺寸: 32-位
速度: 90MHz
連通性: 編解碼器,EBI/EMI,IrDA,鍵盤,多媒體編解碼器,SPI/Microwire1,UART/USART
外圍設(shè)備: LCD,LED,MaverickKey,PWM
輸入/輸出數(shù): 27
程序存儲器類型: ROMless
RAM 容量: 56K x 8
電壓 - 電源 (Vcc/Vdd): 2.3 V ~ 2.7 V
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 208-LQFP
包裝: 托盤
其它名稱: 598-1225
DS506F2
Copyright Cirrus Logic, Inc. 2011
(All Rights Reserved)
15
EP7311
High-Performance, Low-Power System on Chip
Timings
Timing Diagram Conventions
This data sheet contains timing diagrams. The following key explains the components used in these diagrams. Any variations are
clearly labelled when they occur. Therefore, no additional meaning should be attached unless specifically stated.
Timing Conditions
Unless specified otherwise, the following conditions are true for all timing measurements. All characteristics are specified at
VDDIO = 3.1 - 3.5 V and VSS = 0 V over an operating temperature of -40C to +85C. Pin loadings is 50 pF. The timing values are
referenced to 1/2 VDD.
Cl o c k
Hi g h
t o
L o w
H i gh / L ow
t o
H i g h
B u s
C h an ge
Bu s
Va l i d
U n de f i ne d/ I n v a l i d
V a l i d
B u s
to
T r i s ta te
B u s / S i gn al O m i s s i on
Figure 2. Legend for Timing Diagrams
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