ADZS-BF527-EZLITE【PDF 37/88 页】BOARD EVAL ADSP-BF527

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ADSP-BF522/ADSP-BF523/ADSP-BF524/ADSP-BF525/ADSP-BF526/ADSP-BF527

ABSOLUTE MAXIMUM RATINGS

Stresses greater than those listed in Table 26 may cause perma-

nent damage to the device. These are stress ratings only.

Functional operation of the device at these or any other condi-

Table 26. Absolute Maximum Ratings

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

reliability.

Parameter

Internal Supply Voltage (V DDINT ) for ADSP-BF523/ADSP-BF525/ADSP-BF527 processors

Internal Supply Voltage (V DDINT ) for ADSP-BF522/ADSP-BF524/ADSP-BF526 processors

External (I/O) Supply Voltage (V DDEXT /V DDMEM )

Real-Time Clock Supply Voltage (V DDRTC )

OTP Supply Voltage (V DDOTP )

OTP Programming Voltage (V PPOTP ) 1

OTP Programming Voltage (V PPOTP ) 2

USB PHY Supply Voltage (V DDUSB )

Input Voltage 3, 4, 5

Input Voltage 3, 4, 6

Rating

–0.3 V to +1.26 V

–0.3 V to +1.47 V

–0.3 V to +3.8 V

–0.5 V to +3.8 V

–0.5 V to +3.0 V

–0.5 V to +3.0 V

–0.5 V to +7.1 V

–0.5 V to +3.8 V

–0.5 V to +3.8 V

–0.5 V to +5.5 V

Input Voltage

3, 4, 7

–0.5 V to +5.25 V

Output Voltage Swing

–0.5 V to V DDEXT /V DDMEM + 0.5 V

I OH /I OL Current per Pin Group

3, 8

82 mA (max)

Storage Temperature Range

Junction Temperature While Biased

–65°C to +150°C

+110°C

1

2

3

4

5

6

7

8

Applies to OTP memory reads and writes for ADSP-BF523/ADSP-BF525/ADSP-BF527 processors and to OTP memory reads for ADSP-BF522/ADSP-BF524/ADSP-BF526

processors.

Applies only to OTP memory writes for ADSP-BF522/ADSP-BF524/ADSP-BF526 processors.

Applies to 100% transient duty cycle.

Applies only when V DDEXT is within specifications. When V DDEXT is outside specifications, the range is V DDEXT ±0.2 V.

For other duty cycles see Table 27 .

Applies to balls SCL and SDA.

Applies to balls USB_DP, USB_DM, and USB_VBUS.

For pin group information, see Table 28 . For other duty cycles see Table 29 .

Table 27. Maximum Duty Cycle for Input Transient Volt-

age 1, 2

Table 26 specifies the maximum total source/sink (I OH /I OL ) cur-

rent for a group of pins. Permanent damage can occur if this

Maximum Duty Cycle 3

100%

40%

25%

15%

V IN Min (V) 4

–0.50

–0.70

–0.80

–0.90

V IN Max (V) 6

+3.80

+4.00

+4.10

+4.20

value is exceeded. To understand this specification, if pins PH4,

PH3, PH2, PH1, and PH0 from group 1 in Table 28 were sourc-

ing or sinking 2 mA each, the total current for those pins would

be 10 mA. This would allow up to 72 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 Table 28 table. For duty cycles that are less than 100%, see

Applies to all signal balls with the exception of CLKIN, XTAL, VR OUT /

10% –1.00 +4.30

1

EXT_WAKE1, SCL, SDA, USB_DP, USB_DM, and USB_VBUS.

Table 29 . Note that the V OH and V OL specifications have separate

per-pin maximum current requirements (see Table 19 on

Page 33 and Table 20 on Page 34 ).

2

3

Applies only when V DDEXT is within specifications. When V DDEXT is outside specifi-

cations, the range is V DDEXT ±0.2 V.

Duty cycle refers to the percentage of time the signal exceeds the value for the 100%

Table 28. Total Current Pin Groups

case. The is equivalent to the measured duration of a single instance of overshoot

Group

Pins in Group

4

or undershoot as a percentage of the period of occurrence.

The individual values cannot be combined for analysis of a single instance of

overshoot or undershoot. The worst case observed value must fall within one of the

voltages specified, and the total duration of the overshoot or undershoot (exceeding

the 100% case) must be less than or equal to the corresponding duty cycle.

1

2

3

4

5

PH4, PH3, PH2, PH1, PH0, PF15, PF14, PF13

PF12, SDA, SCL, PF11, PF10, PF9, PF8, PF7

PF6, PF5, PF4, PF3, PF2, PF1, PF0, PPI_FS1

PPI_CLK, PG15, PG14, PG13, PG12, PG11, PG10, PG9

PG8, PG7, PG6, PG5, PG4, BMODE3, BMODE2, BMODE1

Rev. D |

Page 37 of 88 | July 2013

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