![background image](http://html.mh-extra.com/html/haier/hl15white/hl15white_service-manual_136717015.webp)
12
P4.3
Bit 3 of port 4
13
P3.1/TXD
Bit 1 of port 3 & Transmit data
14
P3.2/INT0
Bit 2 of port 3 & low true interrupt 0
15
P3.3/INT1
Bit 3 of port 3 & low true interrupt 1
16
P3.4/T0
Bit 4 of port 3 & Timer 0
17
P3.5/T1
Bit 5 of port 3 & Timer 1
18
P3.6/WR
Bit 6 of port 3 & ext. memory write
19
P3.7/RD
Bit 6 of port 3 & ext. memory read
20
XTAL2
Crystal out
21
XTAL1
Crystal in
22
VSS
Sink voltage, ground
23
P4.0
Bit 0 of port 4
24
P2.0/A8
Bit 0 of port 2 & bit 8 of external memory address
25
P2.1/A9
Bit 1 of port 2 & bit 9 of external memory address
26
P2.2/A10
Bit 2 of port 2 & bit 10 of external memory address
27
P2.3/A11
Bit 3 of port 2 & bit 11 of external memory address
28
P2.4/A12
Bit 4 of port 2 & bit 12 of external memory address
29
P2.5/A13
Bit 5 of port 2 & bit 13 of external memory address
30
P2.6/A14
Bit 6 of port 2 & bit 14 of external memory address
31
P2.7/A15
Bit 7 of port 2 & bit 15 of external memory address
32
PSEN
Program storage enable
33
ALE
Address latch enable
34
P4.1
Bit 1 of port 4
35
EA
External access
36
P0.7/AD7
Bit 7 of port 0 & data/address bit 7 of external
memory
37
P0.6/AD6
Bit 6 of port 0 & data/address bit 6 of external
memory
38
P0.5/AD5
Bit 5 of port 0 & data/address bit 5 of external
memory
39
P0.4/AD4
Bit 4 of port 0 & data/address bit 4 of external
memory
40
P0.3/AD3
Bit 3 of port 0 & data/address bit 3 of external
memory
41
P0.2/AD2
Bit 2 of port 0 & data/address bit 2 of external
memory
42
P0.1/AD1
Bit 1 of port 0 & data/address bit 1 of external
memory
43
P0.0/AD0
Bit 0 of port 0 & data/address bit 0 of external
memory
44
VDD
Drive voltage
Содержание HL15WHITE
Страница 1: ...HL15WHITE ...
Страница 7: ...Images of Module and Circuit Boards 1 images of Main Board 2 images of Power Supply ...
Страница 43: ......
Страница 44: ...Sincere forever ...