Cirrus-logic CDB5463U Instrukcja Użytkownika Strona 6

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CDB5463U
6 DS805DB2
microcontroller (8051_REGIN). Jumper J9 allows the 8051_REGIN supply to be sourced from either the
Vu+_EXT binding post (J6), +5V binding post (J3) or VD+_EXT binding post (J5).
1.6 Auto-boot Mode
With a jumper connection on J18 (AUTO-BOOT ENABLE), the CS5463 operates in auto-boot mode and
the CDB5463U board operates as a stand-alone system without attaching it up to a PC. When in auto-
boot mode, a hardware reset (press on S1) will cause the CS5463 to boot up using the serial data from
the serial EEPROM on the board (U10). When the CS5463 is in auto-boot mode, the SPI connections
Power Supplies Power Post Connections VD+ 8051-REGIN
Analog (VA+) Digital (VD+) 8051 (Vu+)
+5V GND VD+EXT VU+EXT J8 J9
+5 +5 +5 +5 0
NC
NC
+5
NC
+5
NC
+5
NC
+5 +3.3 +5 +5 0
NC
NC
+5
+3.3
NC
+5
Table 4. Power Supply Connections
O VD+
O O VD+
O O VD+
VD+_EXT
+5
+3.3
(Default)
O 8051
O O 8051
O O 8051
Vu+_EXT
+5
VD+
(Default)
O VD+
O O VD+
O O VD+
VD+_EXT
+5
+3.3
O 8051
O O 8051
O O 8051
Vu+_EXT
+5
VD+
O VD+
O O VD+
O O VD+
VD+_EXT
+5
+3.3
O 8051
O O 8051
O O 8051
Vu+_EXT
+5
VD+
O VD+
O O VD+
O O VD+
VD+_EXT
+5
+3.3
O 8051
O O 8051
O O 8051
Vu+_EXT
+5
VD+
O VD+
O O VD+
O O VD+
VD+_EXT
+5
+3.3
O 8051
O O 8051
O O 8051
Vu+_EXT
+5
VD+
O VD+
O O VD+
O O VD+
VD+_EXT
+5
+3.3
O
8051
O O 8051
O O 8051
Vu+_EXT
+5
VD+
O VD+
O O VD+
O O VD+
VD+_EXT
+5
+3.3
O 8051
O O 8051
O O 8051
Vu+_EXT
+5
VD+
O VD+
O O VD+
O O VD+
VD+_EXT
+5
+3.3
O 8051
O O 8051
O O 8051
Vu+_EXT
+5
VD+
O VD+
O O VD+
O O VD+
VD+_EXT
+5
+3.3
O 8051
O O 8051
O O 8051
Vu+_EXT
+5
VD+
O VD+
O O VD+
O O VD+
VD+_EXT
+5
+3.3
O 8051
O O 8051
O O 8051
Vu+_EXT
+5
VD+
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