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Product No. Product Description Product Status
CS8966 Display Power Management MCU with 32KB Flash ROM and RTC Sampling
 General Description:
CS8966 is a general purpose microcontroller with extensive peripherals suitable for a wide range of applications. The CPU is based on an enhanced 1-cycle 8051 core equivalent to ten times the speed of a conventional 12-T 8051. The total on-chip SRAM is 2KB. There is a total of 32KB embedded flash memory that can be used as program memory and portion of this can be used as data flash. The 8051 core has built-in T0/T1/T2 timers and a 16-bit watchdog timer. Embedded in the CPU core are also two full-duplex UART ports, one I2C master/slave and one I2C pure slave controllers, up to 40 GPIO pins, and up to 8 external interrupts.

Flexibility in clock includes an on-chip precision oscillator that have +/-2% accuracy or a regular crystal oscillator attached off-chip when the ultra low power precision real time clock (RTC) is enabled. Unused clock sources can be disabled or used as GPIO pins for best system optimization. The clock selections are also combined with flexible power management schemes, including PMM, IDLE, and STOP modes to balance CPU speed and power consumption.

A built-in programmable CEC (Consumer Electronics Control) Controller allows users to control all of the various audiovisual products in a user¡¦s environment easily.

Other on-chip peripherals include one SPI control interface, one I2C master/slave and one I2C pure slave controllers, a Programmable Counter Array (PCA) with 6 channels of Capture/Compare/PWM modules as well as two Programmable Gain Amplifiers (PGAs). There is a high performance Analog to Digital Converter with 3.5usec conversion time. The ADC can be configured in various modes to meet a wide range of applications.

CS8966 also provides a flexible means of flash programming that supports ISP and IAP. The protections of loss of Flash contents are implemented in hardware. There is also access restriction on critical registers and low supply voltage detection that allows CS8966 reliable operations under harsh environment. The code security is extremely secure based on sophisticated writer commands and ISP commands.

Intended application fields of CS8966 include LCD/PDP TV, LCD Monitor, automobile AV system, home appliance, and other embedded applications.
 Features:
•  1-Cycle 8051 core up to 24MHz operation
-Two 16-bit Timers T0/T1
-One 16-bit ECT Timer T2
-Programmable 16-bit Watch Dog Timer
-Two full-duplex UART ports
-Up to 8 external interrupts shared with GPIO pins
•  Two I2C Slave Controllers and one shared with I2C Master Controller pins
•  One Master/Slave SPI Interface
•  One Programmable CEC Controller
•  256B Internal SRAM and 1792B XSRAM
•  32KB Flash Memory
-Configured to be shared by ISP code, program code, and data flash
-Code security and content loss protection
•  Programmable Counter Array (PCA, 16-bit) with 6 CCP Modules
-Capture Mode
-Compare/Timer Mode
-8-Bit PWM Mode
-8-Bit Windowed PWM Mode
•  3.68MHz Internal Oscillator +/- 2%
•  Real Time Clock (RTC) less than 2uA
•  Two Programmable Gain Amplifiers (PGAs)
•  10-bit monotonic SAR ADC
-3.5us conversion time
-0-VDD or 0-0.5VDD full scale
-4 Intrinsic Time Multiplexed Channels
-10 inputs multiplexed with GPIO pins
•  4 Analog Comparators
-Two programmable 256-step threshold
-Input range 0V ~ 2.5V
-Detection time less than 250nsec
•  3 2PST Analog Switches
•  Low Voltage Detection on VDD
-Programmable threshold 2.7V ~ 4.8V
-Programmable for generation of Low Voltage Interrupt or Low Voltage Reset
•  Up to 40 GPIO pins
•  Power saving modes
-Normal operation: 5mA ~ 17mA
-PMM mode: 1mA ~ 5mA
-Idle mode: 1mA ~ 5mA
-Stop mode (recovered by hardware reset, or wake up by WK condition): 384uA
•  Single power supply: 3.0V ~ 5.5V
•  Commercial (0oC ~ +70oC) and Extended Temperature range (-40oC ~ +85oC)
•  Package: 48-pin LQFP
•  RoHS compliance

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