GPL31B2中文资料220dots 8bits LCD controller, up to 144KB ROM LCD Game, TOY, Time-Piece数据手册Generalplus规格书

描述 Description

The GPL31B2, an 8-bit CMOS single chip microprocessor, contains RAM, ROM, I/Os, interrupt/wakeup controller, timer, 8-bit PWM audio output and automatic display controller/ driver for LCD. With a dual channel PWM driver, attractive sound effects can be generated easily. Built-in voltage doubler and voltage regulator provide robust and adjustable (16-level) LCD supply voltage to get the best display quality for specific panels. Furthermore, a software controllable standby mode is also implemented for power saving. The GPL31B2 is designed with state-of-the-art technology to fulfill the requirements of LCD applications especially for hand-held products.

特性 Features

• Built-in 8-bit CPU
• 160 bytes SRAM
• 64K bytes ROM
• Max. CPU clock: 3.0MHz @ 2.4V – 5.5V
• Programmable CPU clock frequency, 1/2, 1/4, 1/8, 1/16, 1/32 or 1/64 of R-oscillator's clock frequency is available
• Provides 7 interrupt sources

• Built-in 8-bit 2-channel PWM outputs
• Built-in 32.768KHz Crystal / R-oscillator
• Crystal or R-oscillator (mask option)
• Crystal oscillator switches from strong to Weak mode automatically
• Internal time base generator

• Built-in System R-oscillator
• Only one resistor is needed

• Two 16 bits timer/counters
• Low Voltage Reset / Low Voltage Detect
• Provides 2.3V low voltage reset function
• 2.4V/2.6V low voltage detect (Mask option)

• Low power consumption
• Operating current: 1.0mA/1.0MHz @ 3.0V
• Very low standby current : ISTBY < 1.0μA @ 3.0V In standby mode: stop all oscillators

• Max. 12 general purpose I/O
• SEG[43:41] can be optioned to IOEF[7:5]
• 8 IO pins support Key wake-up mode

• LCD controller / driver
• 44 segments x 5 commons, max. 220 dots
• Programmable bias option (1/2,1/3 bias) and duty option (1/2,1/3,1/4,1/5 duty)
• Built-in voltage doubler and regulator to generate VLCD voltage for LCD driver(Built-in regulator can be disabled)
• Adjustable 16-level VLCD for various panels 1/3 bias: VLCD (3.0V - 6.0V) 1/2 bias: VLCD (2.0V - 4.0V)
• Built-in regulator can be disabled 1/3 bias: VLCD = VDD ;VDD2 =2/3 VDD ;VDD1 =1/3 VDD 1/2 bias: VLCD = VDD ;VDD1 =1/2 VDD