Loading Program; Memory Map - Sharp PC-1285 Service Man

,..
.
-2-
EOO
coo
8000
4000
2800
2000
Internal ROM
BKB
DISP & port
I
I
System ROM
I
I
16KBX8BANK
I I
I
I
BANK RO
~
RI
I
-
I R7
0
------
0
------
0
------
AOO
~---------+ D3 D2 DI DO
0 0 0 KS I
I
0 0 0 KS8
I KS!-KS8
0000
3800
Port write CE
3AOO
Port write CE
3COO
Memory map
3EOO Key stroke write
CE
4000
3600
RAM bank address
ROM bank CE
3400
3 2 O O
Caution PON latch
write
CE
3 0 0 O Low battery latch
CE
conversion
2EOO G.APOB
2COO
Do~o PC-1470U/75 POB
~~~~~~~ I PC-1280 A13sentonPOB
PC-1285
DI SP 2
2AO Or-----_,
POI
P02
P03
L===:'..P04
DISP I
P05
P06
P07
~----POB
2800~---....,
5. MEMORY MAP
A program created on the programmable unit can be loaded onto the
PC-1285 in either of the followi n g ways:
(1) Using the program stored RAM card
(2) To load program from the cassette tape or microcassette tape.
In this case, the following option
G)
and® are required.
G)
CE-126P printer/cassette interface or CE-124 cassette inter-
face
® CE-152 cassette tape recorder or CE-127R microcassette
tape recorder
(3) To load program from the 2.5" pocket disk. In this case, the fol-
lowing option is required.
CE-140F (pocket disk drive)
(4) To load program directly from another pocket computer. In this
case, the following cable option is required.
EA-128C
NOTE:
Note the following when loading the RAM card with the program
created or edited on the PC-1280.
(1) Set the PC-1280 in the MEM$="1" when creating or editing the
program. (Execute SETMEM "1" I E NTERI .)
(2) Erase reserve data by PC-1280 before loading to PC-1285.
Do the following operation to erase.
ISHIFTI IBASICI ... Set in the reserve mode (RSV symbol on)
[HJ~
&YI
IENTERI ... Erase reserve data.
4. LOADING PROGRAM
The above values are at the room temperature of 2o·c and may vary
depending on conditions.
(NOTE) Current should be measured with a RAM card loaded.
45µA max.
450µA max.
Current consumption when PC-1285 OFF
Current consumption when PC-1285 ON
(with display on)
Current consumption
Terminal
voltage: 6.0V
Capacity:
170mAH
PC-1285 power Lithium battery
supply CR-2032 x 2 pcs
3. BATTERY LIFE AND CURRENT
CONSUMPTION
..
PC-1285