900844 Datasheet, PDF (9/118 Pages) Freescale Semiconductor, Inc – Integrated Power Management IC for Ultra-mobile and Embedded Applications

INTERNAL BLOCK DIAGRAM
Table 1. 900844 Pin Description
Node Name
Type
I/O Rating
PGNDCHG
BCL1
FS1
RX1
BCL2
FS2
RX2
SCK
GNDSP
GNDLSPR
GNDLSPL
GNDCP
PGNDYMXPA
PGNDYMX3G
PGNDOTG
PGNDBKLT
GNDAUDXTAL
GNDAUD1
GNDAUD2
GNDAUD3
GNDAUD4
GNDBKLT
GNDLED
REFGNDCHG
REFGNDSW
GNDREFVCC
GNDSUB
HIPWRGND -
SGNL
I/O
SGNL
I/O
SGNL
I
SGNL
I/O
SGNL
I/O
SGNL
I
SGNL
I
LOPWRGND -
MDPWRGND -
MDPWRGND -
LOPWRGND -
HIPWRGND -
HIPWRGND -
HIPWRGND -
HIPWRGND -
GND
-
GND
-
GND
-
GND
-
GND
-
GND
-
GND
-
GND
-
GND
-
GND
-
GND
-
-
3.6 V
3.6 V
3.6 V
3.6 V
3.6 V
3.6 V
3.6 V
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
# of
Balls
BGA Location
Pin Description
Ground References
2
AF26, AH26 ^{Power GND}
1
K28
Always connect to GND
1
L27
Always connect to GND
1
L23
Always connect to GND
1
J29
Always connect to GND
1
J27
Always connect to GND
1
H28
Always connect to GND
1
H12
Always connect to GND
1
M28
Analog GND
1
A19
Analog GND
1
A21
Analog GND
1
E27
Analog GND
3 AD12, AF12, AH12 Power GND
2
R1, R3
Power GND
2
V26, V28
Power GND
2
Y26, Y28
Power GND
1
G29
Analog GND
1
G23
Analog GND
1
L21
Analog GND
1
R19
Analog GND
1
G21
Analog GND
1
AB28
Analog GND
1
R29
Analog GND
1
AC21
Dedicated reference ground for the input power path
1
U7
Dedicated reference ground for the switching regulators
1
L11
Dedicated reference ground for VCC regulator
32
H18, H22, J19,
J21, J23, L17, L19,
M14, M18, N15,
N17, N19, P12,
P14, P16, P18,
R11, R13, R15, Substrate GND
R17, T12, T14,
T16, T18, T22,
U11, U13, U15,
U17, U19, V12,
V18
Analog Integrated Circuit Device Data
Freescale Semiconductor
900844
9