MIL-STD-1553B Integrated Databus Module - C-MAC Microtechnology - (Version JPG) - Page n° 9 - PDF Catalogue | Technical Documentation

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Amplifier, Power supply, Operational amplifier, Integrated circuit, Filter

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IDM 1553

Table 5 IDM1553 - XX - XD PIN-OUT (DUAL-IN-LINE PACKAGE)


PIN	NAME	TYPE	FUNCTIONAL DESCRIPTION
1	DO	I/O	DATA BUS BIT 0
2	D2	I/O	DATA BUS BIT 2
3	D4	I/O	DATA BUS BIT 4
4	D6	I/O	DATA BUS BIT 6
5	D8	I/O	DATA BUS BIT 8
6	D10	I/O	DATA BUS BIT 10
7	D12	I/O	DATA BUS BIT 12
co	D14	I/O	DATA BUS BIT 14
9	TA1	I	TERMINAL ADDRESS BIT 1
10	TAO	I	TERMINAL ADDRESS BIT 0
11	TA4	I	TERMINAL ADDRESS BIT 4
12	THARD	I	HARDWIRED TERMINAL ADDRESS SELECT IF HIGH
13	WTDGBRES	0	EXTERNAL WATCHDOG TIMER RESET ON BUS B
14	Voce		+5V SUPPLY FOR DIGITAL LOGIC CIRCUITRY
15	BR	I/O	BUS REQUEST. USED FOR DMA OPERATION
16	BGACK	I/O	BUS GRANT ACKNOWLEDGE. USED IN DMA MODE
17	PHI1	0	8MHz CLOCK OUT - PHASE 1
18	Vs*b		RESERVED FOR -15V TO BUS B TRANSCEIVER
19	GND B		GROUND TO BUS B TRANSCEIVER
20	BUS B		TRANSCEIVER B BUS SIGNAL (TRUE) TO THE TRANSFORMER ON 1553 CHANNEL B
21	LOGIC GND		GROUND FOR THE DIGITAL LOGIC CIRCUITRY
22	A1	I/O	ADDRESS BIT 1
23	A3	I/O	ADDRESS BIT3
24	A5	I/O	ADDRESS BIT 5
25	A7	I/O	ADDRESS BIT 7
26	A9	I/O	ADDRESS BIT 9
27	A11	I/O	ADDRESS BIT 11
28	A13	0	ADDRESS BIT 13
29	A15	0	ADDRESS BIT 15
30	DMA/DPR	I	DMA OR DUAL CONFIGURATION SELECT. HIGH - DMA MODE, LOW - DUAL PORT MODE
31	MEMCSOUT	0	MEMORY CHIP SELECT OUT MAY BE CONNECTED TO MEMCSUIN AND MEMCSLIN OR TO EXTERNAL MEMORY
32	CLK32	I	32 MHz CLOCK INPUT
33	CREG	I	INTERNAL REGISTER SELECT LINE FROM CPU
34	SLOW	I	SLOW CLOCK. WHEN HIGH A 16MHz CLOCK CAN BE USED BUT MEMORY ACCESS TIME IS INCREASED. (C-MAC TEST PIN ONLY)
35	TXINHA	I	TRANSMITTER INHIBIT A FROM EXTERNAL WATCHDOG TIMER
36	CR/W	¹	READ/WRITE LINE FROM CPU (DUAL PORT MODE). HIGH - READ, LOW - WRITE
37	WTDGARES	0	EXTERNAL WATCHDOG TIMER RESET ON BUS A
38	GND A		GROUND TO BUS A TRANSCEIVER
39	V_SNA		RESERVED FOR -15V TO BUS A TRANSCEIVER

Table continued overleaf

MIL-STD-1553B Integrated Databus Module - C-MAC Microtechnology - #9

Amplifier, Power supply, Operational amplifier, Integrated circuit, Filter