參數(shù)資料
型號： ADZS-BF549-EZLITE
廠商： Analog Devices Inc
文件頁數(shù)： 36/100頁
文件大小： 0K
描述： KIT EZLITE ADZS-BF549
產(chǎn)品培訓模塊： Blackfin® Processor Core Architecture Overview
Blackfin® Device Drivers
Blackfin® Optimizations for Performance and Power Consumption
Blackfin® System Services
標準包裝： 1
系列： Blackfin®
類型： DSP
適用于相關產(chǎn)品： ADSP-BF549
所含物品： 評估板
Rev. C
|
Page 40 of 100
|
February 2010
ADSP-BF542/ADSP-BF544/ADSP-BF547/ADSP-BF548/ADSP-BF549
ABSOLUTE MAXIMUM RATINGS
Stresses greater than those listed in Table 21 may cause perma-
nent damage to the device. These are stress ratings only.
Functional operation of the device at these or any other condi-
tions greater than those indicated in the operational sections of
this specification is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reli-
ability. Table 22 details the maximum duty cycle for input
transient voltage.
The Absolute Maximum Ratings table specifies the maximum
total source/sink (IOH/IOL) current for a group of pins. Perma-
nent damage can occur if this value is exceeded. To understand
this specification, if pins PA4, PA3, PA2, PA1 and PA0 from
group 1 in the Total Current Pin Groups table were sourcing or
sinking 2 mA each, the total current for those pins would be
10 mA. This would allow up to 70 mA total that could be
sourced or sunk by the remaining pins in the group without
damaging the device. For a list of all groups and their pins, see
the Total Current Pin Groups table. Note that the VOL and VOH
specifications have separate per-pin maximum current require-
ments, see the Electrical Characteristics table.
Table 21. Absolute Maximum Ratings
Internal (Core) Supply Voltage (VDDINT) –0.3 V to +1.43 V
External (I/O) Supply Voltage (VDDEXT)–0.3 V to +3.8 V
Input Voltage
1, 2, 3
1 Applies to all bidirectional and input only pins except PB1-0, PE15-14, PG15–11,
and PH7-6, where the absolute maximum input voltage range is –0.5 V to
+5.5 V.
2 Pins USB_DP, USB_DM, and USB_VBUS are 5 V-tolerant when VDDUSB is
powered according to the operating conditions table. If VDDUSB supply
voltage does not meet the specification in the operating conditions table, these
pins could suffer long-term damage when driven to +5 V. If this condition is
seen in the application, it can be corrected with additional circuitry to use the
external host to power only the VDDUSB pins. Contact factory for application
detail and reliability information.
3 Applies only when V
DDEXT is within specifications. When VDDEXT is outside speci-
fications, the range is VDDEXT ± 0.2 V.
– 0.5 V to +3.6 V
Output Voltage Swing
– 0.5 V to VDDEXT+0.5 V
IOH/IOL Current per Single Pin
4
4 For more information, see description preceding Table 23.
40 mA (max)
IOH/IOL Current per Pin Group
80 mA (max)
Storage Temperature Range
– 65C to +150C
Junction Temperature Underbias
+125
C
Table 22. Maximum Duty Cycle for Input1 Transient Voltage
1 Does not apply to CLKIN. Absolute maximum for pins PB1-0, PE15-14, PG15-
11, and PH7-6 is +5.5V.
VIN Max (V)
2
2 Only one of the listed options can apply to a particular design.
VIN Min (V)
Maximum Duty Cycle
3.63
–0.33
100%
3.80
–0.50
48%
3.90
–0.60
30%
4.00
–0.70
20%
4.10
–0.80
10%
4.20
–0.90
8%
4.30
–1.00
5%
Table 23. Total Current Pin Groups
Group
Pins in Group
1
PA0, PA1, PA2, PA3, PA4, PA5, PA6, PA7, PA8, PA9, PA10,
PA11
2
PA12, PA13, PA14, PA15, PB8, PB9, PB10, PB11, PB12,
PB13, PB14
3
PB0, PB1, PB2, PB3, PB4, PB5, PB6, PB7, BMODE0,
BMODE1, BMODE2, BMODE3
4
TCK, TDI, TDO, TMS, TRST, PD14, EMU
5
PD8, PD9, PD10, PD11, PD12, PD13, PD15
6
PD0, PD1, PD2, PD3, PD4, PD5, PD6, PD7
7
PE11, PE12, PE13, PF12, PF13, PF14, PF15, PG3, PG4
8
PF4, PF5, PF6, PF7, PF8, PF9, PF10, PF11
9
PF0, PF1, PF2, PF3, PG0, PG1, PG2
10
PC0, PC1, PC2, PC3, PC4, PC5, PC6, PC7
11
PH5, PH6, PH7
12
A1, A2, A3
13
PH8, PH9, PH10, PH11, PH12, PH13
14
PI0, PI1, PI2, PI3, PI4, PI5, PI6, PI7
15
PI8, PI9, PI10, PI11, PI12, PI13, PI14, PI15
16
AMS0, AMS1, AMS2, AMS3, AOE, CLKBUF, NMI
17
CLKIN, XTAL, RESET, RTXI, RTXO, ARE, AWE
18
D0, D1, D2, D3, D4, D5, D6, D7
19
D8, D9, D10, D11, D12
20
D13, D14, D15, ABE0, ABE1
21
EXT_WAKE, CLKOUT, PJ11, PJ12, PJ13
22
PJ0, PJ1, PJ2, PJ3, PJ4, PJ5, PJ6, PJ7, ATAPI_PDIAG
23
PJ8, PJ9, PJ10, PE7, PG12, PG13
24
PE0, PE1, PE2, PE4, PE5, PE6, PE8, PE9, PE10, PH3, PH4
25
PH0, PH2, PE14, PE15, PG5, PG6, PG7, PG8, PG9, PG10,
PG11
26
PC8, PC9, PC10, PC11, PC12, PC13, PE3, PG14, PG15, PH1
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