ADSP-BF522 AD [Analog Devices], ADSP-BF522 Datasheet - Page 29

• Manufacturer Part Number: ADSP-BF522
• Description: Blackfin Embedded Processor
• Manufacturer: AD [Analog Devices]

Preliminary Technical Data
OPERATING CONDITIONS FOR ADSP-BF523/525/527
1
2
3
4
5
6
7
8
9
10
Parameter
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
T
T
T
The voltage regulator can generate V
Must remain powered (even if the associated function is not used).
V
If not used, power with V
Balls that use V
When not using the USB peripheral on the ADSP-BF525/BF527 or terminating V
Bidirectional balls (PF15–0, PG15–0, PH15–0) and input balls (RTXI, TCK, TDI, TMS, TRST, CLKIN, RESET, NMI, and BMODE3–0) of the ADSP-
Parameter value applies to all input and bidirectional balls, except USB_DP, USB_DM, USB_VBUS, SDA, and SCL.
The V
SDA and SCL are pulled up to V
guaranteed when the API is used.
to voltages higher than V
BF522/523/524/525/526/527 processors are 3.3 V tolerant (always accept up to 3.6 V maximum V
voltage.
J
J
J
DDINT
DDEXT
DDEXT
DDRTC
DDMEM
DDOTP
PPOTP
DDUSB
IH
IH
IH
IHTWI
IL
IL
IL
ILTWI
DDEXT
IHTWI
is the supply to the voltage regulator and GPIO.
min and max value vary with the selection in the TWI_DT field of the NONGPIO_DRIVE register. See V
DDMEM
Internal Supply Voltage
External Supply Voltage
External Supply Voltage
RTC Power Supply Voltage
MEM Supply Voltage
OTP Supply Voltage
OTP Programming Voltage
USB Supply Voltage
High Level Input Voltage
High Level Input Voltage
High Level Input Voltage
High Level Input Voltage
Low Level Input Voltage
Low Level Input Voltage
Low Level Input Voltage
Low Level Input Voltage
Junction Temperature
Junction Temperature
Junction Temperature
are DATA15–0, ADDR19–1, ABE1–0, ARE, AWE, AOE, AMS3–0, ARDY, SA10, SWE, SCAS, CLKOUT, SRAS, SMS, SCKE. These balls are not tolerant
DDEXT
DDMEM
.
.
BUSTWI
DDINT
. See
2
6
at levels of 1.00 V to 1.20 V with –5% to +5% tolerance when VRCTL is programmed with the sysctl API. This specification is only
2, 5
Table 11 on Page
1
2, 3
2, 3
7, 8
7, 8
7, 8
7, 8
7, 8
7, 8
4
2
Conditions
Internal Voltage Regulator
Disabled
Internal Voltage Regulator
Enabled
V
V
V
V
V
V
V
V
289-Ball CSP_BGA
@ T
208-Ball CSP_BGA
@ T
208-Ball CSP_BGA
@ T
DDEXT
DDEXT
DDEXT
DDEXT
DDEXT
DDEXT
DDEXT
DDEXT
Rev. PrG | Page 29 of 80 | February 2009
AMBIENT
AMBIENT
AMBIENT
28.
/V
/V
/V
/V
/V
/V
= 1.90 V/2.75 V/3.6 V
= minimum
DDMEM
DDMEM
DDMEM
DDMEM
DDMEM
DDMEM
= 0°C to +70°C
= 0°C to +70°C
= –40°C to +85°C
= 1.90 V
= 2.75 V
= 3.6 V
= 1.7 V
= 2.25 V
= 3.0 V
DDUSB
on the ADSP-BF523, V
0.7 x V
IH
ADSP-BF522/523/524/525/526/527
). Voltage compliance (on outputs, V
0.95
1.70
2.25
2.25
1.70
2.25
2.25
–0.3
–0.3
–0.3
–0.3
Min
–40
3.0
1.1
1.7
2.0
0
0
BUSTWI
DDUSB
must be powered by V
BUSTWI
1.8, 2.5 or 3.3
1.8, 2.5 or 3.3
Nominal
2.5 or 3.3
min and max values in
2.5
2.5
3.3
OH
DDEXT
) is limited by the V
.
0.3 x V
Table 11 on Page
V
+105
+105
+105
Max
1.26
2.75
2.75
BUSTWI
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
0.6
0.7
0.8
BUSTWI
9
10
DDEXT
28.
Unit
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
°C
°C
°C
supply