Z80 PIO - Revision history

MacDeath at 22:27, 19 December 2010

2010-12-19T22:27:10Z

Nocash: /* Usage in CPC */

2010-04-11T22:22:09Z

‎Usage in CPC

MacDeath at 21:37, 27 January 2010

2010-01-27T21:37:38Z

Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /mnt/cpcwiki-httpdocs/includes/diff/DairikiDiff.php on line 434

MacDeath at 14:23, 27 January 2010

2010-01-27T14:23:14Z

MacDeath at 14:22, 27 January 2010

2010-01-27T14:22:36Z

Nocash: /* Datasheet */

2010-01-26T13:55:17Z

‎Datasheet

Nocash: /* Usage in CPC */

2010-01-26T13:54:45Z

‎Usage in CPC

Nocash at 13:49, 26 January 2010

2010-01-26T13:49:45Z

Nocash at 15:15, 12 January 2010

2010-01-12T15:15:57Z

Nocash: /* Register Addressing */

2010-01-11T12:44:04Z

‎Register Addressing

← Older revision		Revision as of 22:27, 19 December 2010
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−	[[Category:~~Hardware~~]][[Category:~~Programming~~]][[Category:~~CPC Internal Components~~]]	+	[[Category:Programming]][[Category:CPC Internal Components]][[Category:Electronic Component]]

@@ Line 43: / Line 43: @@
 * [[ACU Real Time Clock (DIY)]]
 * [[Dk'tronics Real Time Clock]]
 == Datasheet ==

← Older revision		Revision as of 21:37, 27 January 2010
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−	[[Category:Hardware]][[Category:~~Built in Hardware~~]][[Category:~~Programming~~]]	+	[[Category:Hardware]][[Category:Programming]][[Category:CPC Internal Components]]

← Older revision		Revision as of 14:23, 27 January 2010
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−	[[Category:Hardware]][[Category:Built in Hardware]]	+	[[Category:Hardware]][[Category:Built in Hardware]][[Category:Programming]]

← Older revision		Revision as of 14:22, 27 January 2010
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	* [[Media:Z80pio z84c20.pdf]] - Zilog Z80 PIO Datasheet		* [[Media:Z80pio z84c20.pdf]] - Zilog Z80 PIO Datasheet
		+
		+
		+	[[Category:Hardware]][[Category:Built in Hardware]]

← Older revision		Revision as of 13:55, 26 January 2010
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	== Datasheet ==		== Datasheet ==

−	Media:Z80pio z84c20.pdf	+	* [[Media:Z80pio z84c20.pdf]] - Zilog Z80 PIO Datasheet

← Older revision		Revision as of 13:54, 26 January 2010
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	== Usage in CPC ==		== Usage in CPC ==

−	A [[Z80 PIO]] is used by [[ACU Real Time Clock (DIY)]]~~, and~~ [[Dk'tronics Real Time Clock]].	+	A [[Z80 PIO]] is used by the following CPC hardware expansions:
		+
		+	* [[ACU Real Time Clock (DIY)]]
		+	* [[Dk'tronics Real Time Clock]]
		+
		+	== Datasheet ==
		+
		+	Media:Z80pio z84c20.pdf

← Older revision		Revision as of 13:49, 26 January 2010
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−	The Zilog [[Z80 PIO]] chip (aka Z84C20) is a '''Dual 8bit''' I/O Port (not to be confused with the '''Triple 8bit''' 8255 PPI, which is sometimes referred to as PIO, too).	+	The Zilog [[Z80 PIO]] chip (aka Z84C20) is a '''Dual 8bit''' I/O Port (not to be confused with the '''Triple 8bit''' [[8255 PPI chip]], which is sometimes referred to as PIO, too).

	== Register Addressing ==		== Register Addressing ==

← Older revision		Revision as of 15:15, 12 January 2010
Line 1:		Line 1:
−	The Zilog [[Z80 PIO]] chip is a '''Dual 8bit''' I/O Port (not to be confused with the '''Triple 8bit''' 8255 PPI, which is sometimes referred to as PIO, too).	+	The Zilog [[Z80 PIO]] chip (aka Z84C20) is a '''Dual 8bit''' I/O Port (not to be confused with the '''Triple 8bit''' 8255 PPI, which is sometimes referred to as PIO, too).

	== Register Addressing ==		== Register Addressing ==

@@ Line 7: / Line 7: @@
 There are 4 registers - 2 Data registers, and 2 Control registers.
-== Data Registers A and B
+== Data Registers A and B ==
 Data direction can be configured in the corresponding control register. Depending on the direction, the data bits are inputs or outputs with following meaning: