Schneider RS232 Interface - Revision history

Polluks: /* I/O Ports */

2026-03-02T14:51:48Z

I/O Ports

← Older revision		Revision as of 14:51, 2 March 2026
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	F8E0h - [[Z80-STI]] Indirect Data Register		F8E0h - [[Z80-STI]] Indirect Data Register
	F8E1h - [[Z80-STI]] General Purpose I/O Data Register		F8E1h - Z80-STI General Purpose I/O Data Register
	F8E2h - [[Z80-STI]] Interrupt Pending Register B ;\		F8E2h - <s>Z80-STI Interrupt Pending Register B</s> ;\
	F8E3h - [[Z80-STI]] Interrupt Pending Register A ;		F8E3h - <s>Z80-STI Interrupt Pending Register A</s> ;
	F8E4h - [[Z80-STI]] Interrupt in-Service Register B ; not used		F8E4h - <s>Z80-STI Interrupt in-Service Register B</s> ; not used
	F8E5h - [[Z80-STI]] Interrupt in-Service Register A ;		F8E5h - <s>Z80-STI Interrupt in-Service Register A</s> ;
	F8E6h - [[Z80-STI]] Interrupt Mask Register B ;		F8E6h - <s>Z80-STI Interrupt Mask Register B</s> ;
	F8E7h - [[Z80-STI]] Interrupt Mask Register A ;/		F8E7h - <s>Z80-STI Interrupt Mask Register A</s> ;/
	F8E8h - [[Z80-STI]] Indirect Index and Interrupt Vector Register		F8E8h - Z80-STI Indirect Index and Interrupt Vector Register
	F8E9h - [[Z80-STI]] Timers A and B Control Register ;\		F8E9h - <s>Z80-STI Timers A and B Control Register</s> ;\
	F8EAh - [[Z80-STI]] Timer B Data Register ; not used		F8EAh - <s>Z80-STI Timer B Data Register</s> ; not used
	F8EBh - [[Z80-STI]] Timer A Data Register ;/		F8EBh - <s>Z80-STI Timer A Data Register</s> ;/
	F8ECh - [[Z80-STI]] USART Control Register		F8ECh - Z80-STI USART Control Register
	F8EDh - [[Z80-STI]] Receiver Status Register		F8EDh - Z80-STI Receiver Status Register
	F8EEh - [[Z80-STI]] Transmitter Status Register		F8EEh - Z80-STI Transmitter Status Register
	F8EFh - [[Z80-STI]] USART Data Register		F8EFh - Z80-STI USART Data Register

	Aside from the above 16 directly addressable registers, there are 8 indirectly addressable ones. For details on the direct & indirect registers, see [[Z80-STI]].		Aside from the above 16 directly addressable registers, there are 8 indirectly addressable ones. For details on the direct & indirect registers, see [[Z80-STI]].

TFM at 16:21, 16 October 2018

2018-10-16T16:21:36Z

← Older revision		Revision as of 16:21, 16 October 2018
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	[[RS232]] Interface for the CPC by [[Schneider]]. Schneider is the German distributor for Amstrad CPC hardware (however, this interface ~~seems to be~~ Schneider's own invention, not an [[Amstrad]] product).		[[RS232]] Interface for the CPC by [[Schneider]]. Schneider is the German distributor for Amstrad CPC hardware (however, this interface was Schneider's own invention, not an [[Amstrad]] product).

	== Clones ==		== Clones ==

TFM: /* Manual (german) */

2018-10-16T16:17:05Z

Manual (german)

← Older revision		Revision as of 16:17, 16 October 2018
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	* ASM example (for the DIY version) is included with [[Tim Riemann's RS232 interface]]		* ASM example (for the DIY version) is included with [[Tim Riemann's RS232 interface]]

	== Manual (~~german~~) ==		== Manual (German) ==

	<gallery>		<gallery>

TFM at 15:54, 16 October 2018

2018-10-16T15:54:07Z

← Older revision		Revision as of 15:54, 16 October 2018
Line 1:		Line 1:
	[[RS232]] Interface for the CPC by [[Schneider]]. Schneider is the ~~german~~ distributor for Amstrad CPC hardware (however, this interface seems to be Schneider's own invention, not an [[Amstrad]] product).		[[RS232]] Interface for the CPC by [[Schneider]]. Schneider is the German distributor for Amstrad CPC hardware (however, this interface seems to be Schneider's own invention, not an [[Amstrad]] product).

	== Clones ==		== Clones ==

TFM: /* Clones */

2018-10-16T15:52:28Z

Clones

← Older revision		Revision as of 15:52, 16 October 2018
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	== Clones ==		== Clones ==

	The original [[Schneider RS232 Interface]] was released around 1985. Two years later, in 1987, a software-compatible clone was released as DIY schematic in a ~~german~~ book ([[Maschinenspracheprogramme und Hardware-Erweiterungen für Schneider CPC's\|link]]). Even later, around 1996, a copy of that DIY schematic also circulated in the internet ([[Tim Riemann's RS232 interface\|link]]). The DIY port address, timings and handshake signals are exactly the same as in the original Schneider version - except that DCD (Data Carrier Detect) isn't implemented in the DIY version.		The original [[Schneider RS232 Interface]] was released around 1985. Two years later, in 1987, a software-compatible clone was released as DIY schematic in a German book ([[Maschinenspracheprogramme und Hardware-Erweiterungen für Schneider CPC's\|link]]). Even later, around 1996, a copy of that DIY schematic also circulated in the internet ([[Tim Riemann's RS232 interface\|link]]). The DIY port address, timings and handshake signals are exactly the same as in the original Schneider version - except that DCD (Data Carrier Detect) isn't implemented in the DIY version.

	== Pictures ==		== Pictures ==

TFM: /* Reviews */

2018-02-11T13:08:01Z

Reviews

← Older revision		Revision as of 13:08, 11 February 2018
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	== Reviews ==		== Reviews ==

	A review appeared in ~~german~~ magazine [[CPC Schneider International]] (issue 12-1985, pages [[Media:Schneider International 8512-p038 - Schneider RS232.jpg\|38]], [[Media:Schneider International 8512-p039 - Schneider RS232.jpg\|39]]).		A review appeared in German magazine [[CPC Schneider International]] (issue 12-1985, pages [[Media:Schneider International 8512-p038 - Schneider RS232.jpg\|38]], [[Media:Schneider International 8512-p039 - Schneider RS232.jpg\|39]]).

	== Datasheet ==		== Datasheet ==

MacDeath at 21:54, 19 December 2010

2010-12-19T21:54:37Z

← Older revision		Revision as of 21:54, 19 December 2010
Line 1:		Line 1:
	RS232 Interface for the CPC by [[Schneider]]. Schneider is the german distributor for Amstrad CPC hardware (however, this interface seems to be Schneider's own invention, not an [[Amstrad]] product).		[[RS232]] Interface for the CPC by [[Schneider]]. Schneider is the german distributor for Amstrad CPC hardware (however, this interface seems to be Schneider's own invention, not an [[Amstrad]] product).

	== Clones ==		== Clones ==
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	* A [[Media:Mostek_3801_Data.pdf\|"Z80 STI"]] is a 40pin [[Media:Mostek_3801_Data.pdf\|MK3801]] chip from Mostek. Details on that chip are from the "MOSTEK 1982/1983 Microelectronic Data Book" (kindly made available by John Robertson).		* A [[Media:Mostek_3801_Data.pdf\|"Z80 STI"]] is a 40pin [[Media:Mostek_3801_Data.pdf\|MK3801]] chip from Mostek. Details on that chip are from the "MOSTEK 1982/1983 Microelectronic Data Book" (kindly made available by John Robertson).

	~~[[Category:Hardware]]~~ [[Category:Peripherals]] [[Category:Serial_interfaces]]		[[Category:Peripherals]] [[Category:Serial_interfaces]]

Nocash: /* Reviews */

2010-09-26T21:29:00Z

Reviews

← Older revision		Revision as of 21:29, 26 September 2010
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	== Reviews ==		== Reviews ==

	A review appeared in german magazine [[CPC Schneider International]] (issue 12-1985, pages 38-39).		A review appeared in german magazine [[CPC Schneider International]] (issue 12-1985, pages [[Media:Schneider International 8512-p038 - Schneider RS232.jpg\|38]], [[Media:Schneider International 8512-p039 - Schneider RS232.jpg\|39]]).

	== Datasheet ==		== Datasheet ==

Robcfg: Added 300dpi scans of the RS232 Interface

2010-09-25T17:56:25Z

Added 300dpi scans of the RS232 Interface

← Older revision		Revision as of 17:56, 25 September 2010
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	Image:Schneider-sio-lead.jpg\|Expansion Port Cable		Image:Schneider-sio-lead.jpg\|Expansion Port Cable
	Image:Schneider-sio-psu.jpg\|Power Supply		Image:Schneider-sio-psu.jpg\|Power Supply
			</gallery>

			<gallery caption="Schneider RS232 interface 300dpi scans by Robcfg">
			Image:Schneider_RS232_Unit.jpg\|Interface
			Image:Schneider_RS232_Unit_Bottom.jpg\|Front Plate
			Image:Schneider_RS232_PCB_Top.jpg\|PCB Top
			Image:Schneider_RS232_PCB_Bottom.jpg\|PCB Bottom
	</gallery>		</gallery>

Nocash: /* Note */

2010-08-06T23:16:32Z

Note

← Older revision		Revision as of 23:16, 6 August 2010
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	The uncommon shape of the housing dates back to a Schneider BTX modul (which was being intended to be plugged into Schneider Television Sets). Apparently Schneider produced too many housings, and re-used them for the RS232 interface. Actually, a RS232 interface is very much the same as a BTX interface (the actual BTX modem must be rented separately from Deutsche Bundespost), so even the PCB may be (almost/exactly?) the same for both devices.		The uncommon shape of the housing dates back to a Schneider BTX modul (which was being intended to be plugged into Schneider Television Sets). Apparently Schneider produced too many housings, and re-used them for the RS232 interface. Actually, a RS232 interface is very much the same as a BTX interface (the actual BTX modem must be rented separately from Deutsche Bundespost), so even the PCB may be (almost/exactly?) the same for both devices.

			== Reviews ==

			A review appeared in german magazine [[CPC Schneider International]] (issue 12-1985, pages 38-39).

	== Datasheet ==		== Datasheet ==