Z-World PK2300, User Manual, Page: 125 / 139

PK2300 I/O Map and Interrupt Vectors s 125
Other Input/Output Addresses
The I/O addresses listed in Table H-3 control the I/O devices that are
external to the Z180 processor.
Table H-3. I/O Addresses for Devices External to Z180
Address Description Function
0x40C0 /TRG to 555
Read to start charging and turn
/OUTPUT of 555 high
0x4140 RS-485 driver
Bit 0 indicates on/off:
1 to turn on, 0 to turn off
0x4141 LED D1 (RUN LED) As above
0x4142 LED D2 (USER LED) As above
0x4143 CMOS OUT9 As above
0x4144 CMOS OUT10 As above
0x4145 CMOS OUT11 As above
0x4146 CMOS OUT12 As above
0x4147 OUT8 As above
0x4160
(read)
IN-01 to IN-08 Bit x for state of Inx+1
0x4161
(write)
OUT-01 to OUT-07
Bits 0, 1, 2 indicate which
high-current driver, bit 7
indicates on/off: 1 to turn on,
0 to turn off
0x4161 IN-09 to IN-16 Bit x for state of Inx+1
0xA000 Power failure
Bit 0 indicates whether power
is failing: 1 power is failing, 0
if not