1 2 3 4 5 6
A
B
C
D
654321
D
C
B
A
EA/VP
31
X1
19
X2
18
RESET
9
RD
17
WR
16
INT0
12
INT1
13
T0
14
T1
15
P10/T
1
P11/T
2
P12
3
P13
4
P14
5
P15
6
P16
7
P17
8
P00
39
P01
38
P02
37
P03
36
P04
35
P05
34
P06
33
P07
32
P20
21
P21
22
P22
23
P23
24
P24
25
P25
26
P26
27
P27
28
PSEN
29
ALE/P
30
TXD
11
RXD
10
U2
89C52or89S52
XTAL2
23
XTAL1
22
RD_N
15
WR_N
16
DMREQ
17
DMACK_N
18
EOT_N
19
RESET_N
20
GL_N
21
GND
5
VDD
24
VOUT_3.3
27
D-
25
D+
26
D0
1
D1
2
D2
3
D3
4
D4
6
D5
7
D6
8
D7
9
A0
28
ALE
10
CS_N
11
SUSPEND
12
CLKOUT
13
INT_N
14
U1
PDIUSBD12
1
2
3
4
J1
USB
VDD
C3
104
R3 1K
P36
P37
P36
P37
Y1
6M
Y2
22.1184M
C5
22P
C6
22P
C7
22P
C8
22P
USB_X1
USB_X2
USB_X1 USB_X2
P32
P32
P35
P35
P00
P01
P02
P03
P04
P05
P06
P07
P00
P01
P02
P03
P04
P05
P06
P07
R4
10K
R5
10K
R6
10K
R7
10K
R8
10K
R9
10K
R10
10K
R11
10K
VDD
P00 P01 P02 P03 P04 P05 P06 P07
C2CK
C2D
VDDVDD
R12
10K
+
C4
10uF
VDD
1
2
3
4
J2
To Target BoardVDD
+
C1
4.7uF
C2
104
MCU_X1 MCU_X2
MCU_X1
MCU_X2
R1
22R
R2
22R
C8051F Programmer Tool V1.0
Copyright(C) Jerric Jiang 2010,All rights reserved.
MCU/USB/
Email:jerricjiang@qq.com
http://blog.ednchina.com/jerric/