Toshiba DP120F Service Manual page 363

• DMAC GA Signal Table (1/7)
No. Signal Name
1, 14, 28, 45, +5V
61, 91, 148,
159, 199,
217, 235
2, 31 RMCS1, 2X
4 RMCS3X
5 RMCS4X
6 RMCS5X
7 RMCS6X
8 IOCS6X
9 IOCS7X
10 IOCS8X
11 IOCS9X
12, 21, 36, 49, SG
60, 72, 86, 96,
108, 120, 126,
136, 157, 168,
170-172, 180,
190, 208, 226,
240
13 CPUCK
15 MRDHX
16 MRDLX
17 MRDX
I: Input O: Output
DP120F/DP125F Circuit Description
Type
- +5V
O Recovery ROM chip select signal (active-low)
Select signal for ROM on the Recovery ROM PBA.
O Flash ROM chip select signal (active-low)
Select signal for Flash ROM (IC13).
O Flash ROM chip select signal (active-low)
Select signal for Flash ROM (IC20).
O SRAM chip select signal (active-low)
Select signal for SRAM (IC30, IC31).
O Flash ROM chip select signal (active-low)
Select signal for Flash ROM (IC21).
O MODEM chip select signal (active-low)
Select signal for MODEM (IC5).
- Unused
O Line 2 MODEM chip select signal (active-low)
Select signal for MODEM (IC1) on the MODEM PBA.
O RTC chip select signal (active-low)
Select signal for RTC (IC23).
- Signal ground
O CPU Operation clock (16MHz)
Operation clock for the CPU (IC66).
O SRAM read signal (active-low)
Read signal for SRAM (IC31).
O SRAM read signal (active-low)
Read signal for SRAM (IC30).
O Flash ROM read signal (active-low)
Read signal for Flash ROM (IC13, IC20) and ROM
on the Recovery ROM PBA.
I/O: Bidirectional
Functions
7-54 March 2000 © TOSHIBA TEC