Toshiba DP120F, Service Manual

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March 2000 © TOSHIBA TEC 7-57 DP120F/DP125F Circuit Description
• DMAC GA Signal Table (4/7)
No. Signal Name Type Functions
68 PTCDRQ I PTC DMA request signal (active-low)
The PTC GA (IC45)makes a request for DMA trans-
fer.
69-71 CD2-0REQ I CODEC DMA request 0-2 signals (active-low)
The PTC GA makes a request for DMA transfer with
the CODEC(IC51).
73 MDTRQ2 I Line 2 MODEM transmit data transfer request signal
The MODEM (IC1) on the MODEM PBA makes a
request to send data.
74 MDRRQ2 I Line 2 MODEM receive data transfer request signal
The MODEM (IC1) on the MODEM PBA makes a
request to receive data.
75 INTMD2 I Line 2 MODEM interrupt signal
An interrupt signal for the MODEM (IC1) on the MO-
DEM PBA is input.
(Interrupt level 6)
76 INTPMX I CODEC interrupt signal (active-low)
An interrupt signal for the CODEC is input.
(Interrupt level 3)
77 INT1284 I 1284 interrupt signal
An interrupt signal for the IEEE1284 interface for the
PC interface is input.
(Interrupt level 3)
78 DLEINT I DLE interrupt signal
A DLE interrupt signal for the PC interface is input.
(Interrupt level 3)
80 MTINT I Motor interrupt signal
A motor interrupt signal from the PTC GA is input.
(Interrupt level 6)
81 MSYNCX I Scan interrupt signal
A data read interrupt signal from the DSC (IC59) is
input.
(Interrupt level 6)
82 INTAU1 I NIC interrupt signal
An interrupt signal from GF-1010 (NIC/Relay PBA)
is input.
(Interrupt level 3)
83 MT2INT I Motor interrupt signal 2
A motor interrupt signal from the PTC GA is input.
(Interrupt level 6)
I: Input O: Output I/O: Bidirectional