Sharp MD-MT877, MD-MT877C IC401 RH-iX0419AWZZ :SystemMicrocomputer (IX0419AW) (2/2)

MD-MT877/MD-MT877C

IC401 RH-iX0419AWZZ :System Microcomputer (IX0419AW) (2/2)

Pin No.	Port Name	Terminal Name	Input/Output	Function
58	OSC1	OSC1	—	Sub clock.
59	RES	_RESET	Input	Microcomputer hard reset input.
60	NMI	DCIN	Input	DC IN edge detection.
61	STBY	_STBY	Input	Microcomputer standby input (not used).
62	VCC	VCC	Input	Positive power supply.
63	XTAL	XTAL	—	Crystal connection terminal.
64	Vss	VSS	—	Ground potential.
65	EXTAL	EXTAL	—	Crystal connection terminal.
66	FWE	FWE	Input	Flash write enable.
67	MD2	MD2	Input	Operation mode selection input 2.
68	PF7	_EJSW	Input	Ejection lever operation detection input.
69	PF6	SLCNT3	Output	Stepping control 3.
70	PF5	SLCNT2	Output	Stepping control 2.
71	PF4	SLCNT1	Output	Stepping control 1.
72	PF3/ADTRG	_RPLAY	Input	Remote control PLAY button operation detection input.
73	PF2	SENSE	Input	System LSI servo sense input.
74	PF1	_FOK	Input	Focus OK signal input.
75	FP0/IRQ2	_DCEXT	Input	DC-IN detection (level).
76	TxD0	RMDAT	Output	Remote control indication data/PC link data output.
77	RxD0	PCLDI	Input	PC link data input.
78*	SCK0	SCK0	Output	Serial I/O clock output (not used).
79	P33	_ELON	Output	EL lighting control output L.
80	P34	LEDCTB	Output	LED lighting control (Blue).
81	P35	_STOP	Input	Unit stop button control detection input.
82	P36	LEDCTR	Output	LED lighting control (Orange).
83	P77	DCNT	Output	Mechanism driver enable output.
84	P76	BATON	Output	Battery power supply line ON/OFF.
85	P75	LDON	Output	P.C. laser ON/OFF control output.
86	P74	PBLAT	Output	Audio PC data clock output.
87	P73	PCNT3	Output	_DC IN input control output.
88	P72	DCON	Output	DC power supply line ON/OFF.
89	P71	PCNT2	Output	START Tr ON/OFF.
90	P70	EMPH0	Output	Audio output emphasis control 0.
91	PG0/IRQ6	_PLAY	Input	Unit PLAY button operation detection input.
92	PG1/IRQ7	_REC	Input	Unit REC button operation detection.
93	PG2	_XRST	Output	System LSI hard reset output.
94	PG3	CKSTP	Output	Microcomputer standby operation monitor.
95	PG4	LEDCTG	Output	LED lighting control (Yellow-green).
96	PE0	_EPCS	Output	EEPROM chip selection output.
97	PE1	EEPD	Input/Output	EEPROM serial data input/output.
98	PE2	EEPK	Output	EEPROM serial clock output.
99	PE3	EPRT	Output	EEPROM write protection control output.
100	PE4	PCNT1	Output	System power supply ON/OFF control output.

In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.

– 42 –