ADSP-BF537 AD [Analog Devices], ADSP-BF537 Datasheet - Page 22

• Manufacturer Part Number: ADSP-BF537
• Description: Blackfin Embedded Processor
• Manufacturer: AD [Analog Devices]

ADSP-BF534/ADSP-BF536/ADSP-BF537
Table 9. Pin Descriptions (Continued)
1
Pin Name
Real Time Clock
JTAG Port
Clock
Mode Controls
Voltage Regulator
Supplies
See
CLKBUF
RTXI
RTXO
TCK
TDO
TDI
TMS
TRST
EMU
CLKIN
XTAL
RESET
NMI
BMODE2–0
VROUT0
VROUT1
V
V
V
GND
DDEXT
DDINT
DDRTC
Output Drive Currents on Page 50
for more information about each driver types.
Type Function
I
O
I
O
I
I
I
O
I
O
O
I
I
I
O
O
P
P
P
G
RTC Crystal Input
RTC Crystal Output
JTAG Clock
JTAG Serial Data Out
JTAG Serial Data In
JTAG Mode Select
JTAG Reset
Emulation Output
Clock/Crystal Input
Crystal Output
Buffered XTAL Output
Reset
Nonmaskable Interrupt
Boot Mode Strap 2-0
External FET Drive
External FET Drive
I/O Power Supply
Internal Power Supply (regulated from 2.25 V
to 3.6 V)
Real Time Clock Power Supply
External Ground
Rev. B | Page 22 of 68 | July 2006
Driver
Type
C
C
E
1
Pull-Up/Pull-Down
low when not used
This pin should be pulled low if the
JTAG port is not used
This pin should always be pulled
high when not used
This pin should always be pulled
E