Samsung MSYS 5150 Service Manual page 57

GENERAL PURPOSE I/O PORT OF KS32C6100
PIN NAME CIRCUIT NAME
GPI00/EXTDRQ0
GPI01/EXTDRQ1
GPI02/EXTDRQ2
GPI03/EXTA C K 0
GPI04/EXTA C K 1
GPI05/EXTA C K 2
GPI06/EXTIREQ0
GPI07/EXTIREQ1
GPI08/EXTIACK0
GPI09/EXTIACK1
GPI010/PPDOE
GPI011/nCPUPWR
GPI012/nENGPWR
GPI013/TECLK
GPI014
GPI015/TIMEOUT0
Samsung Electronics
I/O
/OPE_RST O
/SDREQ I
RY/BY O
/RST_OUT O
/ S D A C K O
RTC_CE O
TX_INT I
/MIRQ I
RTC_CLK O
RTC_DATA I/O
/WR_FLASH O
TONER CNT O
/E-RST
/EXITP O
/TONER_DET I
KEYCLICK O
STATE
L Z8201 OPE MICOM RESET OUTPUT
L SDIP D M A REQUEST SIGNAL INPUT
H SET FLASH MEMORY WRITE MODE
L SET FLASH MEMORY REA D MOD E
L EXTERNAL I/O RESET OUTPUT
L SDIP D M A ACKNOWLEDGE SIGNAL O U T P U T
L RTC-4513 CHIP SELECT OUTPUT
H SDIP M O TOR INTERRUPT REQUEST INPUT
L MODEM INTERRUPT REQUEST INPUT
RTC-4513 CLOCK OUTPUT
RTC-4513 DATA INPUT/OUTPUT
L FLASH MEMORY WRITE
C O N T R O L SIGNAL O U T P U T
L TONER SENSOR VCC CONTROL
U N U S E D
L
L TONER CHECK INPUT
K E Y CLICK OUTPUT SIGNAL
Circuit Description
DESCRIPTION
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