Analog Devices EZ-KIT Lite ADSP-BF533, Руководство пользователя

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Using Flash Memory
2-8 ADSP-BF533 EZ-KIT Lite Evaluation System Manual
The
Data Out
register allows clearing an output pin to
0
or setting it to
1
.
This is a 8-bit read-write register.
The ADSP-BF533 EZ-KIT Lite board employs only Flash A and Flash B
ports A and B.
Table 2-6 and Table 2-7 provide configuration register
addresses for Flash A and Flash B, respectively (only ports A and B are
listed). The following bits connect to the Expansion Board connector:
• Flash A port B bits
7
and
6
• Flash B port A bits
7–0
and port B bits
7–0
Table 2-8 and Table 2-9 depict the IO assignments.
Table 2-6. Flash A Configuration Registers for port A, B
Register Name Port A Address Port B Address
Data In
(Read-only)
0x2027 0000 0x2027 0001
Data Out
(Read-Write)
0x2027 0004 0x2027 0005
Direction
(Read-Write)
0x2027 0006 0x2027 0007
Table 2-7. Flash B Configuration Registers for port A, B
Register Name Port A Address Port B Address
Data In
(Read-only)
0x202E 0000 0x202E 0001
Data Out
(Read-Write)
0x202E 0004 0x202E 0005
Direction
(Read-Write)
0x202E 0006 0x202E 0007
Table 2-8. Flash A Port A Controls
Bit # User IO Bit Value
7 Not defined Any
6 Not defined Any
5 PPI Clock Select bit 1
00
= Local OSC (27 MHz)