Pin Description
Pinouts
Figure 2.
AT8xC51SND2C 100-pin BGA Package
10
NC
9
NC
8
P2.0/
A8
7
P4.1/
MOSI
6
VDD
5
VSS
4
NC
3
AUXP
2
AUXN
1
ALE
A
B
C
D
E
F
G
H
J
K
VDD
P2.2/
A10
P2.1/
A9
P4.0/
MISO
P4.2/
SCK
MONON
MONOP
P0.0/
AD0
KIN0
ISP/
NC
P2.4/
A12
P2.3/
A11
P2.5/
A13
P4.3/
SS
P0.6/
AD6
P0.4/
AD4
P0.3/
AD3
P0.2/
AD2
P0.1/
AD1
NC
P2.6/
A14
P2.7/
A15
MCLK
NC
P0.7/
AD7
P0.5/
AD5
NC
NC
NC
NC
EA
VSS
VDD
ESDVSS
VDD
SDA
AUDVREF
SCL
HSL
AUDVDD
MCMD
MDAT
NC
P3.2/
INT0
P3.1/
TXD
VSS
FILT
PVDD
HSR
HSVDD
RST
AUDRST
SCLK
DSEL
P3.4/
T0
P3.0/
RXD
LINER
LINEL
PVSS
HSVSS
NC
VSS
DOUT
DCLK
P3.5/
T1
TST
X1
X2
INGND
AUDVSS
VDD
AUDVSS
CBP
LPHN
P3.7/
RD
P3.6/
WR
VSS
D-
D+
AUDVCM
PAINP
PAINN
HPP
AUDVBAT
HPN
AUDVSS
P3.3/
INT1
VDD
UVDD
UVSS
Notes:
1. ISP pin is only available in AT89C51SND2C product.
Do not connect this pin on AT83SND2C product.
2. NC is Do Not Connect
4
AT8xC51SND2C
4341D–MP3–04/05