Hayes Microcomputer Products RCV56HCF manual Devsel#

RCV56HCF PCI/CardBus Modem Designer’s Guide

Table 3-1. Bus Interface 176-Pin TQFP Pin Signals

Pin	Signal Label		I/O	I/O Type1	Interface	Pin	Signal Label	I/O	I/O Type1	Interface
65	GND		G	GND	Ground	153	RESERVED	I/O	It/Ot12	To 3.3V through 47K
66	DEVSEL#		I/O	I/Opsts	PCI Bus: DEVSEL#	154	I/O4	I/O	It/Ot12	DAA: Reserved
67	STOP#		I/O	I/Opsts	PCI Bus: STOP#	155	I/O3	I/O	It/Ot12	DAA: Reserved
68	PERR#		I/O	I/Osts	PCI Bus: PERR#	156	I/O2	I/O	It/Ot12	DAA: Reserved
69	SERR#		I/O	I/Opod	PCI Bus: SERR#	157	I/O1	I/O	It/Ot12	DAA: Reserved
70	VDD		P	PWR	To 3.3V	158	I/O0	I/O	It/Ot12	DAA: Reserved
71	GND		G	GND	Ground	159	GND	G	GND	Ground
72	PAR		I/O	I/Opts	PCI Bus: PAR	160	RESERVED	I/O	It/Ot12	To 3.3V through 47K
73	CBE1#		I/O	I/Opts	PCI Bus: CBE1#	161	RH_L1#	O	Ot12	HS: RH
74	AD15		I/O	I/Opts	PCI Bus: AD15	162	ORING_H2	O	Ot12
75	AD14		I/O	I/Opts	PCI Bus: AD14	163	ORING_H1	O	Ot12	Ring Output Handset
76	VDD		P	PWR	To 3.3V	164	MUTE_L1#	O	Ot12	DAA: Mute Relay
77	GND		G	GND	Ground	165	VOICE#	O	Ot12	DAA: Voice Relay
78	AD13		I/O	I/Opts	PCI Bus: AD13	166	CID_L1#	O	Ot12	DAA: Caller ID Relay
79	AD12		I/O	I/Opts	PCI Bus: AD12	167	OH_L1#	O	Ot12	DAA: Off-Hook Relay
80	AD11		I/O	I/Opts	PCI Bus: AD11	168	VDD	P	PWR	To 3.3V
81	AD10		I/O	I/Opts	PCI Bus: AD10	169	GND	G	GND	Ground
82	GND		G	GND	Ground	170	IRING_L1#	I	It	DAA: Ring Indicate
83	VDD		P	PWR	To 3.3V	171	LCS_L1#	I	It	DAA: Line Current Sense
84	AD9		I/O	I/Opts	PCI Bus: AD9	172	LCS_H1#	I	It	HS: Line Current Sense
										Handset
85	AD8		I/O	I/Opts	PCI Bus: AD8	173	USED_L1	I	It
86	CBE0#		I/O	I/Opts	PCI Bus: CBE0#	174	LCS_H2#	I	It	DAA: Line Current Sense
87	GND		G	GND	Ground	175	RESERVED	I	It	To 3.3V through 47K
88	VDD		P	PWR	To 3.3V	176	GND	G	GND	Ground
Notes:
1. I/O types:
	I/Opod	Input/Output, PCI, open drain (PCI type =o/d)
	I/Opsts	Input/Output, PCI, sustained tristate (PCI type = s/t/s)
	I/Opts	Input/Output, PCI, tristate (PCI type = t/s)
	Ip	Input, PCI, totem pole (PCI type = in)
	Ipts	Input, PCI (PCI type = t/s)
	It	Input, TTL
	It2	Input, TTL, 2 mA
	Itpd	Input, TTL, internal pull-down
	It/Ot	Input, TTL/Output, TTL
	It/Ot12	Input, TTL/Output, TTL, 12 mA
	Opod	Output, PCI, open drain (PCI type =o/d)
	Opts	Output, PCI, tristate (PCI type = t/s)
	Ot	Output, TTL
	Ot2	Output, TTL, 2 mA
	Ot4	Output, TTL, 4 mA
	Ot12	Output, TTL, 12 mA

2. NC = No external connection allowed (may have internal connection).

3. Interface Legend:

MDP = Modem Data Pump

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