Philips DVDR1000/001 Service Manual page 277

Circuit-, IC Descriptions and List of Abbreviations
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM
LOGIC SYMBOL
V
CC
XTAL1
XTAL2
RST
EA/V
PP
PSEN
ALE/PROG
RxD
TxD
INT0
INT1
T0
T1
WR
RD
PINNING
Plastic Dual In-Line Package
T2/P1.0
1
T2EX/P1.1
2
ECI/P1.2 3
CEX0/P1.3 4
CEX1/P1.4 5
CEX2/P1.5 6
CEX3/P1.6 7
CEX4/P1.7 8
RST 9
RxD/P3.0 10
TxD/P3.1 11
12
INT0/P3.2
13
INT1/P3.3
T0/P3.4 14
T1/P3.5 15
WR/P3.6 16
RD/P3.7 17
XTAL2
18
XTAL1 19
V 20
SS
V
SS
ADDRESS AND
DATA BUS
T2
T2EX
ADDRESS BUS
SU01302
40 V
CC
39 P0.0/AD0
38 P0.1/AD1
37 P0.2/AD2
36
P0.3/AD3
35 P0.4/AD4
34 P0.5/AD5
33
P0.6/AD6
32 P0.7/AD7
DUAL
31 EA/V
PP
IN-LINE
PACKAGE
30
ALE/PROG
29 PSEN
28 P2.7/A15
27 P2.6/A14
26
P2.5/A13
25 P2.4/A12
24 P2.3/A11
23 P2.2/A10
22 P2.1/A9
21 P2.0/A8
SU00021
DVDR1000 /0x1 /691
P89C51RB2/P89C51RC2/
Plastic Leaded Chip Carrier
6
7
17
18
Pin Function Pin
1 NIC* 16
2 P1.0/T2 17
3 P1.1/T2EX 18
4 P1.2/ECI 19
5 P1.3/CEX0 20
6 P1.4/CEX1 21
7 P1.5/CEX2 22
8 P1.6/CEX3 23
9 P1.7/CEX4 24
10 RST 25
11 P3.0/RxD 26
12 NIC* 27
13 P3.1/TxD 28
14 P3.2/INT0 29
15 P3.3/INT1 30
* NO INTERNAL CONNECTION
Plastic Quad Flat Pack
44
1
11
12
Pin Function Pin
1 P1.5/CEX2 16
2 P1.6/CEX3 17
3 P1.7/CEX4 18
4 RST 19
5 P3.0/RxD 20
6 NIC* 21
7 P3.1/TxD 22
8 P3.2/INT0 23
9 P3.3/INT1 24
10 P3.4/T0 25
11 P3.5/T1 26
12 P3.6/WR 27
13 P3.7/RD 28
14 XTAL2 29
15 XTAL1 30
* NO INTERNAL CONNECTION
9. GB 277
P89C51RD2
1 40
39
LCC
29
28
Function Pin Function
P3.4/T0 31 P2.7/A15
32 PSEN
P3.5/T1
33 ALE/PROG
P3.6/WR
34 NIC*
P3.7/RD
35 EA/V
XTAL2
PP
36 P0.7/AD7
XTAL1
37 P0.6/AD6
V
SS
38 P0.5/AD5
NIC*
39 P0.4/AD4
P2.0/A8
40 P0.3/AD3
P2.1/A9
41 P0.2/AD2
P2.2/A10
42 P0.1/AD1
P2.3/A11
43 P0.0/AD0
P2.4/A12
44 V
P2.5/A13
CC
P2.6/A14
SU00023
34
33
LQFP
23
22
Function Pin Function
V 31 P0.6/AD6
SS
NIC* 32 P0.5/AD5
P2.0/A8 33 P0.4/AD4
34 P0.3/AD3
P2.1/A9
35 P0.2/AD2
P2.2/A10
36 P0.1/AD1
P2.3/A11
37 P0.0/AD0
P2.4/A12
38 V
P2.5/A13
CC
39 NIC*
P2.6/A14
40 P1.0/T2
P2.7/A15
41 P1.1/T2EX
PSEN
42 P1.2/ECI
ALE/PROG
43 P1.3/CEX0
NIC*
44 P1.4/CEX1
EA/V
PP
P0.7/AD7
SU01400