IBM EM78M611E manual USB Interface

EM78M611E

Universal Serial Bus Series Microcontroller

Symbol	Parameter	Condition	Min		Type	Max	Unit
IOH2	Output High Voltage	ISink = 5.0mA	−	5		−	mA
	(P74, P75)	VDD = 5V
	Output High Voltage	ISink = 10.0mA	−			−
IOH3	(Port 5 & Port 6 & Port 8 and			10			mA
		VREG = 3.3V
	P90~P93, P95, P96)
IOL1	Output Low Voltage	ISink = 10.0mA	−	10		−	mA
	(P76 and P77 normal mode)	VDD = 5V
IOL2	Output Low Voltage	ISink = 10.0mA	−	5		−	mA
	(P74, P75)	VDD = 5V
IOL3	Output Low Voltage	ISink = 10.0mA	−	10		−	mA
	(P70~P73, P76 and P77 sink LED)	VDD = 5V
	Output Low Voltage	ISink = 10.0mA	−			−
IOL4	(P90 ~ P93, P95, P96 normal			10			mA
		VREG = 3.3V
	mode)
IOL5	Output Low Voltage	ISink = 10.0mA	−	10		−	mA
	(P90 ~ P93, P95, P96 sink LED)	VREG = 3.3V
	Pull-high resistor	Input pin with
RPH1		pull-high	−	25		−	KΩ
	(Port 5, 6, 8, 9)	resistor ,
		VREG = 3.3V
	Pull-high resistor(P.74 ~ P.77)	Input pin with
RPH2		pull-high	−	2.2		−	KΩ
	(P74/P75) PS2 mode	resistor ,
		VDD = 5V
USB Interface
VOH	Static Output High		2.8		−	3.6	V
VOL	Static Output Low		−		−	0.3	V
VDI	Differential Input Sensitivity		0.2		−	−	V
VCM	Differential Input Command Mode	USB operation	0.8		−	2.5	V
	Range
		Mode
VSE	Single Ended Receiver Threshold		0.8		−	2.0	V
CIN	Transceiver Capacitance		−		−	20	pF
VRG	Output Voltage of Internal Regulator		3.0		−	3.6	V
RPH3	Pull-high resistor (P.75 / D-)		−		1.5	−	KΩ

Product Specification (V1.11) 04.20.2007 • 33

(This specification is subject to change without further notice)