ESS ES2839S Datasheet

ES2839/ES2840

V.90/V.92 PCI HSP Modem Solution

ESS Technology, Inc.

DESCRIPTION

The ES2839/ES2840 is a high-performance, two-chip, host­based modem solution that delivers high connectivity and
throughput, using a solid-state DAA instead of a traditional
transformer DAA. The chipset consists of the ES2839 TeleDrive
modem chip and the ES2840, its accompanying high-voltage,
solid-state DAA device. Together, the ES2839 and ES2840
devices comprise a very low-cost modem solution for add-in
cards, desktops, and notebooks.

The ES2839 modem is capable of send/receive data and fax,
supports telephone answering machine (TAM), and is capable of
data/fax/voice call discrimination. With its built-in ACPI and

wake-on-ring support, the ES2839, plus the ES2840,

D3

cold

forms an ideal modem solution for notebooks and battery­operated devices.

The ES2839 includes a PCI bus interface, codec, and low­voltage, solid-state DAA. It also includes ADC and DAC
conversions of modem/voice signal data and provides the
interface and control logic needed to transfer data between its
serial I/O terminals and the PCI interface.

The ES2840, the high-voltage DAA device, handles the line­monitoring and filtering functions, while also protecting the
signaling characteristics, performing all AC and DC functions,
and interfacing with the line side of tip and ring operations.

The ES2839/2840 modem solution meets all requirements for
Microsoft WHQL certification, as well as V.250, V.251, and V.253
commands

The ES2839 is available in a 100-pin low-profile quad flat pack
(LQFP) package. The ES2840 is available in an industry­standard 20-pin super small outline pack (SSOP) package.

Product Brief

FEATURES

• V.90/V.92 analog data/fax/TAM modem

• Data mode capabilities:

—– V.90/V.92: 56 kbps
—– ITU-T V.34: 33.6 kbps and fallbacks

• Fax mode capabilities:

—– ITU-T V.17, V.29, V.27ter, and V.21ch2
—– Group 3 (TIA/EIA-578 Class 1 and Class 2)

• Requires minimum 166-MHz Pentium with MMX technology

• PC99/PC2001-compliant with support for V.250, V.251, and

V.253 commands

• V.80 (H.324 software-stack-compatible)

• Buzzer generator feature generates oscillation on handshaking

• Caller ID

• Data/fax/voice call discrimination

• Worldwide homologation

• Compliant with ACPI 1.0 and PCI Power Management Interface

1.0, supporting the D3

• 16-bit ADC and DAC with built-in anti-aliasing and

reconstruction filters

• Separate analog (5V) and digital (3.3V with 5V tolerance for

digital circuits) power supplies

• Internal PLL, requiring a lower frequency crystal for 18.816-MHz

input

• EEPROM interface for subsystem vendor ID

• Supports Microsoft Windows Unimodem V and TAPI

specifications

• Supports Microsoft Windows 98/SE/ME/2000

• Supports Microsoft Windows NT 4.0

wake-on-ring

cold

SYSTEM BLOCK DIAGRAM

Figure 1 shows the ES2839/ES2840 system block diagram.

ES2839 HSP MODEM

I/F

LOW-VOLTAGE

DAA

MC‘97

CODEC

XTAL

Figure 1 ES2839/ES2840 System Block Diagram

VOLTAGE DAA

ES2840 HIGH-

PHONE

LINE

PCI AND
MINI PCI

BUS

ESS Technology, Inc. SAM0341-041101 1

PCI I/F

EEPROM

EEPROM

PINOUT

Figure 2 shows the ES2839 and ES2840 pinout diagrams.

D2

VREF

RXN

VCM

RXP

AG ND

KR XN

KR XP

ES2839/ES2840 PRODUCT BRIEF

GN D

VDD

PF7

PF 9

PF8

DSP K / PF11

D5

D3

D4

AV DD

OS CO

D6

GND

GN D

CLKR U N #

VC C

OS CI

D1

KTXP
KTXN

TXN
TXP

AGND

AVDD

VAUX

PF0

PME#

VAUXP

RST#

INTA#

VDD

PCICLK

GND
AD31
AD30
AD29
AD28
AD27

AD26
AD25
AD24

VDD

75747372717069686766656463626160595857565554535251

76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100

1

2345678

IDSEL

CBE3#

GND

AD23

ES2839S

100-Pin LQFP

9

101112131415161718192021222324

VDD

AD16

AD17

AD18

AD19

AD20

AD21

AD22

GND

IRDY#

CBE 2#

FRAME#

STOP#

TRDY#

DEV SEL#

PAR

CBE1#

50

PF5

49

PF4

48

LCS/PF3

47

PF2
VDD

46
45

SECS
SECLK

44
43

SEDI

42

SEDO

41

GND

40

AD0
AD1

39

AD2

38

AD3

37

AD4

36

AD5

35

AD6

34

AD7

33

VDD

32
31

CBE0#

30

AD8
AD9

29

AD10

28

AD11

27
26

AD12

25

GND

AD1 4

AD1 5

AD1 3

CLIM

D1
D2

VDD

1
2
3
4

20
19
18
17

TOUT
GAIN
LINE
LINEI

ES2840J

D3
D4

LCOM

D5
D6

CPX

5
6
7
8
9
10

20-pin

SSOP

Figure 2 ES2839 and ES2840 Pinout Diagrams

2 SAM0341-041101 ESS Technology, Inc.

16
15
14
13
12
11

INA
INB
TER1
TER2
SET
CPX\