Differences

This shows you the differences between two versions of the page.

--- mos6581 [2011/10/26 09:22] – [Power Supply] wadmin
+++ mos6581 [2011/12/06 13:57] – wadmin
@@ Line 315: / Line 315: @@
 About 70mA is drawn from VCC during normal operation. Coupling capacitor of at least 10uf and filtering capacitor of 100nf are recommended for proper operation.
 === VDD - Pin 28 ===
 This pin shall be connected to either 9V or 12V DC coupled power supply, according to your SID chip version:
@@ Line 327: / Line 326: @@
 === GND - Pin 14 ===
-Signal Grounds. To lower the noise, the ground shall be connected and routed on the analog part of the design.
+Signal Grounds. To lower the noise, the digital and analog ground shall be connected together on this pin and only at it. Keep in mind that the VDD is used only by the analog part of the chip, which includes it inside the analog section. This makes a basic ground plane domain for analog around pins 26, 27 and 28.
+==== Filter Configuration ====