參數(shù)資料
型號: ADSP-2196MKSTZ-160
廠商: Analog Devices Inc
文件頁數(shù): 18/68頁
文件大?。?/td> 0K
描述: IC DSP CONTROLLER 16BIT 144-LQFP
標(biāo)準(zhǔn)包裝: 1
系列: ADSP-21xx
類型: 定點
接口: 主機接口,SPI,SSP,UART
時鐘速率: 160MHz
非易失內(nèi)存: ROM(48 kB)
芯片上RAM: 40kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 2.50V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 144-LQFP
供應(yīng)商設(shè)備封裝: 144-LQFP(20x20)
包裝: 托盤
35(/,0,1$5< 7(&+1,&$/ '$7$
This information applies to a product under development. Its characteristics and specifications are subject to change with-
out notice. Analog Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.
25
REV. PrA
For current information contact Analog Devices at 800/262-5643
ADSP-2196
September 2001
Clock In and Clock Out Cycle Timing
page 24, combinations of CLKIN and clock multipliers must not select core/peripheral clocks in excess of 160/100 MHz.
Table 8. Clock In and Clock Out Cycle Timing
Parameter
Description
Min
Max
Unit
Switching Characteristic
t
CKOD
CLKOUT delay from CLKIN
0
5.8
ns
t
CKO
CLKOUT period1
1Figure 11 shows a 2 ratio between CLKOUT = 2 CLKIN (or t
HCLK = 2
tCCLK), but the ratio has many programmable options. For more information
see the System Design chapter of the ADSP-219x/2191 DSP Hardware Reference.
10
ns
Timing Requirements
t
CK
CLKIN period2,3
2In clock multiplier mode and MSEL6–0 set for 1:1 (or CLKIN=CCLK), t
CK=tCCLK.
3In bypass mode, t
CK=tCCLK.
6.25
200
ns
t
CKL
CLKIN low pulse
2.2
ns
t
CKH
CLKIN high pulse
2.2
ns
t
WRST
RESET asserted pulsewidth low
200t
CLKOUT
ns
t
MSLS
MSELx/BYPASS stable before RESET asserted setup
160
s
t
MSLH
MSELx/BYPASS stable after RESET de-asserted hold
1000
ns
Figure 11. Clock In and Clock Out Cycle Timing
W &. 2 '
&/ . 2 8 7
06 ( / ±
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5( 6 ( 7
&/ . , 1
W :5 6 7
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W &.
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W 06+
W &. 2
W 3)'
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W 06 6
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