TI-99/4A Card Slot(Inside PE Box) Buses Cable and connector pinouts

Information about cable, connector or adapter : TI-99/4A Card Slot(Inside PE Box)

TI-99/4A Card Slot(Inside PE Box)
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Category : All cables and connectors > Connectors > Computer > Buses >
Added to database : 2005-12-15 14:35:59
Description : TI-99/4A Card Slot(Inside PE Box)

Pinout :

Pin	Name	Direction	Color	Description
1				+5V 3-T regulator voltage supply (about +8V)
1				+5V 3-T regulator voltage supply (about +8V)
1				+5V 3-T regulator voltage supply (about +8V)
2	-	Dito
2	-	Dito
2	-	Dito
3	GND	-		Ground
3	GND	-		Ground
3	GND	-		Ground
4	READYA	-		System ready (10K pull-up to +5V)
4	READYA	-		System ready (10K pull-up to +5V)
4	READYA	-		System ready (10K pull-up to +5V)
5	GND	-		Ground
5	GND	-		Ground
5	GND	-		Ground
6	RESET*	OUT		System reset (active low)
6	RESET*	OUT		System reset (active low)
6	RESET*	OUT		System reset (active low)
7	GND	-		Ground
7	GND	-		Ground
7	GND	-		Ground
8	SCLK	nc		System clock (not connected)
8	SCLK	nc		System clock (not connected)
8	SCLK	nc		System clock (not connected)
9	LCP*	nc		CPU indicator 1=TI99 0=2nd generation (not connected)
9	LCP*	nc		CPU indicator 1=TI99 0=2nd generation (not connected)
9	LCP*	nc		CPU indicator 1=TI99 0=2nd generation (not connected)
10	AUDIO	IN		Input audio (=AUDIOIN)
10	AUDIO	IN		Input audio (=AUDIOIN)
10	AUDIO	IN		Input audio (=AUDIOIN)
11	RDBENA*	IN		Active low: enable flex cable data bus drivers (1K pull-up)
11	RDBENA*	IN		Active low: enable flex cable data bus drivers (1K pull-up)
11	RDBENA*	IN		Active low: enable flex cable data bus drivers (1K pull-up)
12	PCBEN	H		PCB enable for burn-in (always High)
12	PCBEN	H		PCB enable for burn-in (always High)
12	PCBEN	H		PCB enable for burn-in (always High)
13	HOLD*	H		Active low CPU hold request (always High)
13	HOLD*	H		Active low CPU hold request (always High)
13	HOLD*	H		Active low CPU hold request (always High)
14	IAQHA	nc		IAQ [or] HOLDA (logical or)
14	IAQHA	nc		IAQ [or] HOLDA (logical or)
14	IAQHA	nc		IAQ [or] HOLDA (logical or)
15	SENILA*	H		Interrupt level A sense enable (always High)
15	SENILA*	H		Interrupt level A sense enable (always High)
15	SENILA*	H		Interrupt level A sense enable (always High)
16	SENILB*	H		Interrupt level B sense enable (always High)
16	SENILB*	H		Interrupt level B sense enable (always High)
16	SENILB*	H		Interrupt level B sense enable (always High)
17	INTA*	IN		Active low interrupt level A (=EXTINT*)
17	INTA*	IN		Active low interrupt level A (=EXTINT*)
17	INTA*	IN		Active low interrupt level A (=EXTINT*)
18	LOAD*	nc		Unmaskable interrupt (not connected)
18	LOAD*	nc		Unmaskable interrupt (not connected)
18	LOAD*	nc		Unmaskable interrupt (not connected)
19	D7	IN/OUT		Data bus, bit 7 (least significant)
19	D7	IN/OUT		Data bus, bit 7 (least significant)
19	D7	IN/OUT		Data bus, bit 7 (least significant)
20	GND	-		Ground
20	GND	-		Ground
20	GND	-		Ground
21	D5	IN/OUT
21	D5	IN/OUT
21	D5	IN/OUT
22	D6	IN/OUT
22	D6	IN/OUT
22	D6	IN/OUT
23	D3	IN/OUT
23	D3	IN/OUT
23	D3	IN/OUT
24	D4	IN/OUT
24	D4	IN/OUT
24	D4	IN/OUT
25	D1	IN/OUT
25	D1	IN/OUT
25	D1	IN/OUT
26	D2	IN/OUT
26	D2	IN/OUT
26	D2	IN/OUT
27	GND	-		Ground
27	GND	-		Ground
27	GND	-		Ground
28	D0	IN/OUT		Data bus, bit 0 (most significant)
28	D0	IN/OUT		Data bus, bit 0 (most significant)
28	D0	IN/OUT		Data bus, bit 0 (most significant)
29	A14	OUT
29	A14	OUT
29	A14	OUT
30	A15	OUT		Address bus, lsb. Also CRU output bit.
30	A15	OUT		Address bus, lsb. Also CRU output bit.
30	A15	OUT		Address bus, lsb. Also CRU output bit.
31	A12	OUT
31	A12	OUT
31	A12	OUT
32	A13	OUT
32	A13	OUT
32	A13	OUT
33	A10	OUT
33	A10	OUT
33	A10	OUT
34	A11	OUT
34	A11	OUT
34	A11	OUT
35	A8	OUT
35	A8	OUT
35	A8	OUT
36	A9	OUT
36	A9	OUT
36	A9	OUT
37	A6	OUT
37	A6	OUT
37	A6	OUT
38	A7	OUT
38	A7	OUT
38	A7	OUT
39	A4	OUT
39	A4	OUT
39	A4	OUT
40	A5	OUT
40	A5	OUT
40	A5	OUT
41	A2	OUT
41	A2	OUT
41	A2	OUT
42	A3	OUT
42	A3	OUT
42	A3	OUT
43	A0	OUT		Address but, bit 0 (most significant)
43	A0	OUT		Address but, bit 0 (most significant)
43	A0	OUT		Address but, bit 0 (most significant)
44	A1	OUT
44	A1	OUT
44	A1	OUT
45	AMB	H		Extra address bit. Always High.
45	AMB	H		Extra address bit. Always High.
45	AMB	H		Extra address bit. Always High.
46	AMA	H		Extra address bit. Always High.
46	AMA	H		Extra address bit. Always High.
46	AMA	H		Extra address bit. Always High.
47	GND	-		Ground
47	GND	-		Ground
47	GND	-		Ground
48	AMC	H		Extra address bit. Always High.
48	AMC	H		Extra address bit. Always High.
48	AMC	H		Extra address bit. Always High.
49	GND	-		Ground
49	GND	-		Ground
49	GND	-		Ground
50	CLKOUT*	OUT		Inversion of phase 3 clock (=PHI3*)
50	CLKOUT*	OUT		Inversion of phase 3 clock (=PHI3*)
50	CLKOUT*	OUT		Inversion of phase 3 clock (=PHI3*)
51	CRUCLK*	OUT		Inversion of TMS9900 CRUCLOCK pin
51	CRUCLK*	OUT		Inversion of TMS9900 CRUCLOCK pin
51	CRUCLK*	OUT		Inversion of TMS9900 CRUCLOCK pin
52	DBIN	OUT		Active high = read memory
52	DBIN	OUT		Active high = read memory
52	DBIN	OUT		Active high = read memory
53	GND	-		Ground
53	GND	-		Ground
53	GND	-		Ground
54	WE*	OUT		Write Enable (derived from TMS9900 WE* pin)
54	WE*	OUT		Write Enable (derived from TMS9900 WE* pin)
54	WE*	OUT		Write Enable (derived from TMS9900 WE* pin)
55	CRUIN	IN		CRU input bit to TMS9900
55	CRUIN	IN		CRU input bit to TMS9900
55	CRUIN	IN		CRU input bit to TMS9900
56	MEMEN*	OUT		Memory access enable (active low)
56	MEMEN*	OUT		Memory access enable (active low)
56	MEMEN*	OUT		Memory access enable (active low)
57				-12 Volts 3-T regulator supply voltage (about -16V)
57				-12 Volts 3-T regulator supply voltage (about -16V)
57				-12 Volts 3-T regulator supply voltage (about -16V)
58				Dito
58				Dito
58				Dito
59				+12 Volts 3-T regulator supply voltage (about +16V)
59				+12 Volts 3-T regulator supply voltage (about +16V)
59				+12 Volts 3-T regulator supply voltage (about +16V)
60				Dito
60				Dito
60				Dito

Note : TI-99/4A Card Slot(Inside PE Box)

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