
PS2000A Datasheet
Doc. Number:
TECINHD001
Version 1.0
3/1/2002
P&S DataCom Corporation
iii
Table of Contents
1
INTRODUCTION...................................................................................................1
2
FEATURES .............................................................................................................2
3
PIN CONFIGURATION AND ORDERING INFORMATION ........................3
4
BLOCK DIAGRAM...............................................................................................4
5
PIN CONFIGURATION AND DESCRIPTION .................................................5
6
PARAMETERS.......................................................................................................6
6.1
6.2
6.3
6.4
A
BSOLUTE
M
AXIMUM
R
ATINGS
............................................................................... 6
O
PERATIONAL
C
HARACTERISTICS
............................................................................ 6
DC
C
HARACTERISTICS
............................................................................................. 7
D
IGITAL
ID............................................................................................................... 7
7
TYPICAL CIRCUITS............................................................................................9
7.1
7.2
7.3
7.4
P
OWER
S
UPPLY
......................................................................................................... 9
R
ESET
S
IGNAL
.......................................................................................................... 9
O
SCILLATOR
C
IRCUIT
............................................................................................. 10
STATE
S
IGNAL
...................................................................................................... 10
8
CONTROL REGISTERS.....................................................................................12
8.1
8.2
8.3
CHIP_CTL............................................................................................................ 12
PHY_SEL.............................................................................................................. 13
MODE_SEL.......................................................................................................... 14
9
COMMUNICATION BETWEEN THE PS2000A AND THE MCU...............16
9.1
9.2
9.3
D
ATA
P
ACKET
S
TRUCTURE
..................................................................................... 16
C
OMMAND
............................................................................................................. 17
P
HYSICAL
C
ONNECTION BETWEEN
PS2000A
AND
MCU........................................ 18
9.3.1
Connecting PS2000A and MCU in SPI Mode .................................................18
9.3.2
Connecting PS2000A and MCU in I
2
C Mode..................................................19
9.4
T
IMING
20
9.4.1
SPI Mode Timing..............................................................................................20
9.4.2
I
2
C Mode Timing..............................................................................................22
9.5
T
ROUBLESHOOTING
................................................................................................ 25
10
COMMUNICATION BETWEEN PS2000A AND GATEWAY......................26
10.1
10.2
10.2.1
10.3
P
HYSICAL
C
ONNECTION BETWEEN
PS2000A
AND
G
ATEWAY
................................... 30
D
ATA
P
ACKET
S
TRUCTURE
....................................................................................... 26
COMMAND........................................................................................................... 28
Command Structure and Function...................................................................28