Samsung SF-4500 Service Manual page 44

6-1-4-5 I/O PORT FOR SCANIP
REGISTER PIN NAME
NAME for ASIC
GPI0
GPI1
GPI2
GPI3
GPI
GPI4
GPI5
GPI6
GPI7
GPO0
GPO1
GPO2
GPO3
GPO
GPO4
GPO5
GPO6
GPO7
GPIO0
GPIO1
GPIO2
GPIO3
GPIO1
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
GPIO10
GPIO11
GPIO2
GPIO12
GPIO13
GPIO14
GPIO15
1 C/– : Color Only
2 C/M : Color/Mono
Samsung Electronics
I/O PORT NAME
I OK2PRINT
I HOME_SEN
I reserved
I nP_EXIT
I P_EMPTY
I nRING_DET
I nHOOK_OFF
I RY/nBY
p reserved
p nOPE_RST
p BLED(C/–) 1
p RLED(C/–) 1
p GLED(C/M) 2
p RTC_EN
p PRE_HEAT
p CLK_SEL
p reserved
p reserved
p reserved
p reserved
p reserved
p reserved
p reserved
p reserved
p CMLON
p VOL2
p VOL1
p VOL0
p reserved
p nSPK_CTL
p THM_CLK
B THM_DATA
DESCRIPTION FOR STATE
H
Head OK
Head parking
–
Paper empty
–
–
Flash Ready
OPE reset off
BLED On
RLED On
GLED On
RTC Enable
Head Preheat On
Jupiter idle mode
Fax or Tel Line
Connection
Bell (3 level)
Bell or Volume control
–
Audio amp. off
Clock IN for Thermometer
Serial Data from/to Thermometer
L
Head NG
–
Paper Detected
–
Ring Detected
H/S hook off
Flash Busy
OPE seset on
BLED Off
RLED Off
GLED Off
RTC disable
–
Jupiter ?? mode
Ext Phone Connection
Volume (4 level)
Audio amp. on
6-13