PBM 990 80
Pin description
Pin
number
Pin name
Input/
Output
I
I
AI
DI
DIU
ANA
Pad type Reset
state
Power
group
1
1
Functional description
Input clock interface (3 pins)
B1
XIN
D2
NCLKSQEN
A2
CSXIN
System input clock (square only)
System input clock XIN or CSXIN select.
H=XIN, L=CSXIN. (pull-up)
System input clock (sine wave)
System controller interface (8 pins)
A7
NRESET
I
G10
LPOSELECT
I
G8
LPOXIN
AI
DIS
DID
ANA
1
4
System reset (active low)
LPO square or crystal clock source select.
L=square, H=crystal. (pull-down)
LPO square clock input or LPO crystal XIN
LPO crystal XOUT
System external wake-up (active low)
System clock request (tri-stateable)
External power available (active low, pull-down)
Power failure (active low, pull-up)
USB Vterm or EBC wake-up
H8
LPOXOUT
AO
ANA
J1
NSYSWAKUP
I
DI
J10
SYSCLKREQ
O
DO3T
H
G3
NPWRAVAIL
I
DID
H4
NPWRFAIL
I
DIU
USB Vterm & EBC wake-up interface (1 pin)
B8
USBVT_
I/O
BD3
I
EBCWAKUP
External interrupt interface (1 pin)
B2
EXTINT
I
DID
Bidirectional serial interface/GPIO & GPIO interface (8 pins)
K4
SERIALCLK
I/O
BD3
I
H3
SERIALDATA
I/O
BD3
I
H2
GPIOB2
I/O
BD3
I
H1
GPIOB3
I/O
BD3
I
H6
GPIOB4
I/O
BD3
I
D8
GPIOB5
I/O
BD3
I
K5
GPIOB6
I/O
BD3
I
J5
GPIOB7
I/O
BD3
I
PCM interface (4 pins)
A8
PCMA
I/O
BD3
I
A9
PCMB
I/O
BD3
I
A10
PCMCLK
I/O
BD3
I
C8
PCMSYNC
I/O
BD3
I
Radio interface (13 pins)
K10
TXCLK
I
DI
E2
TXDATA
O
DO3
X
J9
TXON
O
DO3
L
E8
PHDOFF
O
DO3
L
H10
PXON
O
DO3
L
F9
SYNTON
O
DO3
L
H9
RXDATA
I
DI
K9
RXON
O
DO3
L
F2
CDCLK
O
DO3
H
G9
CDI
I
DI
E1
CDO
O
DO3
L
F10
CMS
O
DO3
L
H7
ANTSW
O
DO3
L
4
4
4
4
2
3
4
4
4
4
4
2
4
4
2
2
2
2
4
4
4
4
4
4
4
4
4
4
4
4
4
External interrupt (active high, pull-down)
Bidrectional serial interface/GPIO serial clock (GPIOA0)
Bidrectional serial interface/GPIO serial data (GPIOA1)
General purpose I/O GPIOB2
General purpose I/O GPIOB3
General purpose I/O GPIOB4
General purpose I/O GPIOB5
General purpose I/O GPIOB6
General purpose I/O GPIOB7
PCM digital serial audio channel A
PCM digital serial audio channel B
PCM digital serial audio clock
PCM digital serial audio sync pulse
Radio transmit data clock, 1 MHz
Radio transmit data
Radio transmitter on
Radio phase detector loop off
Radio packet on
Radio synthesizer on
Radio receive data
Radio receiver on
Radio serial control clock
Radio serial control data input
Radio serial control data output
Radio serial control mode select
Radio antenna switch
9
ERICSSON [ ERICSSON ]
