Toshiba DP120F Service Manual page 371

• PTC GA Signal Table
No. Signal Name
58, 59, 62-67 PCIFD0-7
69 PCOE
70 PCDIR
71 NACK
72 BUSY
73 PEERP
74 SELECT
75 NFAULT
77 NSTROB
78 NATFD
79 NINIT
80 NSELIN
81 ADCDO
82 ADCCK
83 ADCDI
84 ADCSRX
I: Input O: Output
DP120F/DP125F Circuit Description
(2/7)
Type
I/O PC interface data
Data bus for the PC interface.
- Unused
O PC interface bus control signal
(H: Machine-to-PC, L: PC-to-machine)
Controls the transfer direction for PC interface data.
O PC interface acknowledge signal
Indicates to the PC that data has been received.
O PC interface busy signal
Indicates to the PC that this machine is processing.
O PC interface paper error signal
Indicates to the PC that an error related to recording
paper has occurred.
O PC interface select signal
Indicates to the PC that this machine is online.
O PC interface fault signal
Indicates to the PC that an error has occurred in this
machine.
I PC interface strobe signal
Latches the data received from the PC.
I PC interface data communication signal
Indicates that the PC is ready for data communica-
tion.
I PC interface forced reset sgianl
Forcedly resets the interface state.
I PC interface bus direction select signal
Switches the data transfer direction from the PC.
I Measured temperature digital signal
Temperature detect signal sent from the thermistor
of the fuser.
O A/D converter clock
Outputs the drive clock of the A/D converter (IC54).
O A/D converter data output
Outputs digital data to the A/D converter.
I A/D converter status signal (active-low)
The status signal of the A/D converter is input.
I/O: Bidirectional
Functions
7-62 March 2000 © TOSHIBA TEC