Rainbow Electronics AT89C51SND1C - Manual (Page 4)

4
AT8xC51SND1C
4109E–8051–06/03
Figure 3. AT8xC51SND1C 81-pin BGA Package
Note: 1. ISP pin is only available in AT89C51SND1C product.
Do not connect this pin on AT83C51SND1C product.
P5.0
8 9 7 6 5 4 3 2
C
B
A
D
E
F
G
H
1
ALE
P1.1
P1.4
VDD
X2
VSS
UVDD
D+
ISP/
P1.5
X1
PVSS
TST
D-
VSS
P0.0/
P1.0/
P1.7/
PVDD
UVSS
VDD
P3.1/
P3.0/
P0.2/
P5.1
P1.6/
FILT
P3.4/
P3.5/
P3.3/
P3.2/
VDD
P0.1/
VSS
P0.5/
AVDD
P3.7/
AIN0
P3.6/
P4.2/
P4.3/
P0.6
P0.7/
P2.7/
MDAT
P5.3
AVSS
AREFN
P4.0/
P4.1/
P2.1/
P4.5
VSS
MCLK
DOUT
AIN1
AREFP
P2.0/
P4.7
P2.2/
P2.6/
P2.3/
MCMD
SCLK
VSS
P5.2
P4.6
P4.4
P2.5/
P2.4/
VDD
RST
DSEL
DCLK
VDD
J
KIN0
P1.3/
KIN3 P1.2/
KIN2
SS MOSI
MISO SCK AD2
P0.3/
AD3 A8
P0.4/
AD4 AD0 AD1
AD7 AD5
A9 A10
A12
A11
A13
A14
A15
SCL SDA
RXD
TXD
INT0
INT1
T1
T0
RD
WR
NC (1)