LG Electronics GSA-4168B H8S Micro-Processor Pin List, Pin Name Pin No Destination Function

Audio Interface Pin List

Pin Name	Pin No.	I/O	destination	Function
DOUT	109	IO	ATAPI	Digital output pin,also functions as the CPU general port 1-2
ROUT	98	AO	ATAPI	Audio Lch & Rch output
LOUT	100
Clock Generator Pin List
Pin Name	Pin No.	I/O	destination	Function
FEMCK	119	O	AFE	Front End LSI clock
XCO	106	O	X’tal	Crystal oscillation 33.8688MHz
XCI	107	I	X’tal	Crystal oscillation 33.8688MHz

H8S Micro-Processor Pin List

CPU

Pin Name		Pin No.		I/O		destination	Function
ICUIN7(ACTFLG)		205		IU		DRVR	CPU interrupt port INT7: Pick up protect flag
ICUIN6(EJECTSW)		206		I		Eject Switch	CPU interrupt port INT6: EJECTSW interrupt request
ICUIN8(LOADIN)		207		IO		Load Switch	CPU general port1-1 also connected to the CPU interrupt
							port INT8: Loader in sensor
GPIO07(HEATRUN)		96		5IO		ATAPI	CPU general port 0-7 :Off heat run test input
GPIO06(CSEL)		97		5IO		ATAPI	CPU general port 0-6 ATAPI CSEL
GPIO04(A0)		208		IO		SRAM	CPU general port 0-4, also functions as H8S / A0
GPIO05(UCS1B)		56		IO		SRAM	CPU general port 0-5, also functions as H8S / CS1
Flash/SRAM Pin List
Pin Name	Pin No.		I/O			destination	Function
UCS0B	15		O			Flash	H8S / CS0
CPWRB	40		O		Flash / SRAM		H8S / WRB
CPRDB	14		O		Flash / SRAM		H8S / RDB
A[20:1]	39,43,44,		O		Flash / SRAM		H8S / A[20:1]
	215,29,30,
	33,34,35,
	36,37,38,
	45,46,47,
	48,49,50,
	55,16
CPU[15:1]	216,3,4,		IO		Flash / SRAM		H8S / D[15:0]
	5,9,10,						CPU[0] can also function as the CPU general port 0-4
							(multiplexed).
	12,13,25,
	24,23,21,
	20,19,18
	17

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