ADSP-BF531WBBCZ-4A AD [Analog Devices], ADSP-BF531WBBCZ-4A Datasheet - Page 19

• Manufacturer Part Number: ADSP-BF531WBBCZ-4A
• Description: Blackfin Embedded Processor
• Manufacturer: AD [Analog Devices]

Table 9. Pin Descriptions (Continued)
1
Pin Name
Serial Ports
UART Port
Real-Time Clock
Clock
Mode Controls
Voltage Regulator
Supplies
Refer to
RSCLK0
RFS0
DR0PRI
DR0SEC
TSCLK0
TFS0
DT0PRI
DT0SEC
RSCLK1
RFS1
DR1PRI
DR1SEC
TSCLK1
TFS1
DT1PRI
DT1SEC
RX
TX
RTXI
RTXO
CLKIN
XTAL
RESET
NMI
BMODE1–0
VROUT1–0
V
V
V
GND
DDEXT
DDINT
DDRTC
Figure 28 on Page 43
to
Figure 39 on Page
Type Function
I/O
I/O
I
I
I/O
I/O
O
O
I/O
I/O
I
I
I/O
I/O
O
O
I
O
I
O
I
O
I
I
I
O
P
P
P
G
44.
SPORT0 Receive Serial Clock
SPORT0 Receive Frame Sync
SPORT0 Receive Data Primary
SPORT0 Receive Data Secondary
SPORT0 Transmit Serial Clock
SPORT0 Transmit Frame Sync
SPORT0 Transmit Data Primary
SPORT0 Transmit Data Secondary
SPORT1 Receive Serial Clock
SPORT1 Receive Frame Sync
SPORT1 Receive Data Primary
SPORT1 Receive Data Secondary
SPORT1 Transmit Serial Clock
SPORT1 Transmit Frame Sync
SPORT1 Transmit Data Primary
SPORT1 Transmit Data Secondary
UART Receive
UART Transmit
RTC Crystal Input
RTC Crystal Output
Clock/Crystal Input
Crystal Output
Reset
Nonmaskable Interrupt
Boot Mode Strap
External FET Drive
I/O Power Supply
Core Power Supply
Real-Time Clock Power Supply
External Ground
Rev. D | Page 19 of 60 | August 2006
Driver
Type
D
C
D
C
C
C
D
C
D
C
C
C
C
ADSP-BF531/ADSP-BF532
1
Pull-Up/Down Requirement
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Pull LOW when not used
N/A
Needs to be at a Level or Clocking
None
Always Active if Core Power On
Pull LOW when not used
Pull-up or Pull-down Required
N/A
N/A
N/A
N/A
N/A