ADSP-BF522 AD [Analog Devices], ADSP-BF522 Datasheet - Page 26

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

ADSP-BF522/523/524/525/526/527
Table 10. Signal Descriptions (Continued)
1
2
3
4
Signal Name
Power Supplies
See
HWAIT must be pulled high or low to configure polarity. It is driven as an output and toggle during processor boot. See
When driven low, this ball can be used to wake up the processor from the hibernate state, either in normal GPIO mode or in Ethernet mode as MII PHYINT. If the ball is used
Consult version 2.1 of the I
V
V
V
V
V
V
V
V
for wake up, enable the feature with the PHYWE bit in the VR_CTL register, and pull-up the ball with a resistor.
DDEXT
DDINT
DDRTC
DDUSB
DDMEM
DDOTP
PPOTP
SS
Output Drive Currents on Page 64
2
C specification for the proper resistor value.
for more information about each driver type.
Type Function
P
P
P
P
P
P
P
G
Rev. PrG | Page 26 of 80 | February 2009
ALL SUPPLIES MUST BE POWERED
See
and see
I/O Power Supply
Internal Power Supply
Real Time Clock Power Supply
3.3 V USB Phy Power Supply
MEM Power Supply
OTP Power Supply
OTP Programming Voltage
Ground for All Supplies
Operating Conditions for ADSP-BF523/525/527 on Page
Operating Conditions for ADSP-BF522/524/526 on Page
Preliminary Technical Data
Booting Modes on Page
29,
18.
27.
Driver
Type
1