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Teilenummer | WPC8769L |
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Beschreibung | Mobile Embedded Controller | |
Hersteller | Winbond | |
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Gesamt 5 Seiten www.DataSheet4U.com
Product Brief
January 2007
Revision 1.0
WPC8768L, WPC8769L Mobile Embedded Controller with
SPITM Flash Interface and MCE-Compliant CIR Port
General Description
The Winbond WPC8768L and WPC8769L are highly inte-
grated embedded controllers (EC) with an embedded RISC
core and integrated advanced functions. They are targeted
for a wide range of portable applications.
The WPC8768L/WPC8769L incorporate the CompactRISC®
CR16CPlus core (a high-performance 16-bit RISC proces-
sor), on-chip ROM and RAM memories, system support
functions and a Flash Interface Unit (FIU) that interfaces di-
rectly with external SPI flash memory devices.
System support functions include: watchdog, PWM, timers,
interrupt control, General-Purpose I/O (GPIO) with internal
keyboard matrix scanning, PS/2® interface, SMBus® inter-
face, UART, SPI™, high-accuracy analog-to-digital (ADC)
and digital-to-analog (DAC) converters for battery charging,
system control, system health monitoring and analog con-
trols, and a SensorPath™ interface.
The WPC8768L/WPC8769L interface with the host via an
LPC interface. They also include a host-controlled Serial
Port, CIR Port and Fast Infrared (FIR, IrDA 1.1 compliant)
Port (WPC8768L only).
The WPC8768L/WPC8769L are PC01 and ACPI compliant,
and offer a single-chip solution for the most commonly used
notebook PC I/O peripherals.
Outstanding Features
■ Shared BIOS flash memory
■ Support for SPI flash memories
■ Flash page programing support
■ MCE-compliant Consumer Infrared (CIR) Port
■ Fast Infrared Port (FIR, IrDA 1.1 compliant)
(WPC8768L only)
■ High-accuracy, high-speed ADC
■ Up to 88 GPIO ports (including keyboard scanning)
with a variety of wake-up events
■ 16-bit RISC core, with up to 4 Mbytes of external ad-
dress space, running at up to 25 MHz
■ 128-pin LQFP package
System Block Diagram
Main Analog Standby Backup Battery
South Bridge VDD VCC VCC VBAT
Shared Flash
SPI
Battery
Panel
Temp Sensor
Switch Pad
and LEDs
Charger
Brightness
Contrast
2 x SMBus
SPI
A/D and D/A
D/A
12 x 8 - 18 x 8 Keyboard Matrix
WPC8768L/WPC8769L
3 x PS2
PWM
Tacho
Keyboard
Touch Pad
Mouse
3 x Fan
CIR Serial Port/ JTAG
FIR
(WPC8768L only)
© 2007 Winbond Electronics Corporation
www.winbond.com
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Seiten | Gesamt 5 Seiten | |
PDF Download | [ WPC8769L Schematic.PDF ] |
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