W53322/W53342 60" Voice/Melody/LCD Controller (ViewTalkTM Series) GENERAL DESCRIPTION The W53322/W53342 are high-performance 4-bit microcontrollers (µC) with built-in speech, melody and 32*48/32*64 LCD driver which includes internal pump circuit. The 4-bit uc core contains dual clock source, 4-bit ALU, two 8-bit timers, one divider, 20 pin input or output, 7 interrupt sources , 8-level subroutine nesting for interrupt applications. Speech unit can be implemented with Winbond 60 sec Power Speech using ADPCM algorithm. Melody unit provides dual tone output and can store up to 1k notes. Power reduction mode is also built in to minimize power dissipation. It is ideal for games, educational toys, remote controllers, watches, clocks and other application’ products which incorporate both LCD display and melody. FEATURES • Operating voltage: 2.4 volt ~ 5.5 volt • Dual clock operating system −RC/Crystal (400 KHz to 4 MHz) for main clock − 32.768 KHz crystal oscillation circuit for sub-oscillator • Memory − 16k × 20 bit program ROM − 512 × 4 bit data RAM − 384 x 4/512 × 4 bit LCD RAM for W53322/W53342 • 20 input/output pins −Ports for input only: 2 ports/8 pins −Input/output ports: 2 ports/8 pins −Port for output only: 1 port /4 pins •Power-down mode −Hold function: no operation (except for 32kHzoscillator) − Stop mode function: no operation (include 32kHz oscillator) • Seven types of interrupts −Five internal interrupts (Divider ,Timer 0, Timer 1, Speech, Melody) −Two external interrupts (Port RC, Port RD) • One built-in 14-bit clock frequency divider circuit • Two built-in 8-bit programmable countdown timers −Timer 0: one of two internal clock frequencies (FOSC/4 or FOSC/1024) can be selected −Timer 1: built-in auto-reload function includes internal timer, external event counter from RC.0 or TONE output function (can be used as IR carrier output if main clock is 455 kHz) • Built-in 18/14-bit watchdog timer for system reset by mask code option • Powerful instruction sets • 8-level subroutine (including interrupt) nesting -1- Publication Release Date: March 1999 Revision A2 W53322/W53342 • LCD driver output −32 common × 48 segment/32 common × 64 segment for W53322/W53342 respectively − 1/16 or 1/32 duty, 1/5 or 1/7 bias, internal pump circuit option by special register • Speech function −Provides 1.4M bits dedicated speech ROM −Direct driving output for speaker −Maximum 256 sections available • Melody function −Provides 22 kbits dedicated melody ROM −Provides 6 kinds of beat, 16 kinds of tempo, and pitch range from G3# to C7 −Tremolo, triple frequency and 3 kinds of percussion available −Direct driving output for speaker −Maximum 32 scores available • Mix speech with melody available • Multi-engine controller • PWM output current option • Chip On Board available -2- W53322/W53342 BLOCK DIAGRAM SEG0 to SEG63 COM0 to COM31 V2 ~ V6 VDD2 LCD DRIVER RAM VDD3 DH1, DH2 VLCD PUMP CIRCUIT (1024*4) VDD TEST PORT RA RA0~3 PORT RB RB0~3 PORT RD RD0~3 PORT RC RC0~ 3 PORT RE RE0 to 3 ACC ROM (16K*20) ALU PC Special Register STACK (8 Levels) IEF HEF PEF MLDH HCF EVF FLAG1 FLAG0 MR1 SPCH PSR0 PM0 LUP0 LUP1 LUP2 LUP3 LUC RP0M RP0H . RP0L . . . TONE SPC_busy SPC_busy Speech ( 1.4M bits ) LED1 LED2 ROSC PWM1 PWM2 Timer 0 (8 Bit) Timer 1 (8 Bit) Interrup & Hold Mode Release MLD_busy MLD_play Dual Tone Melody (1K*22 ROM) Watch Dog Timer (18/14 Bit) Divider (14/10 Bit) Timing Generator VSS2 VDDP VSS1 RES XIN XOUT X32I X32O -3- Publication Release Date: March 1999 Revision A2 W53322/W53342 PIN DESCRIPTION SYMBOL XIN I/O I XOUT X32I O I X32O RA0 ~ RA3 O I/O RB0 ~ RB3 I/O RC0 ~ RC3 I RD0 ~ RD3 I RE0~RE3/TONE O RES TEST ROSC I I I VDDP LED1 LED2 PWM1 PWM2 SEG0−SEG63 COM0−COM31 I O O O O O O DH1, DH2 VDD2 I O VDD3 O/I FUNCTION Input pin for oscillator. It can be connected to crystal, or can connect a resistor to VDD to generate main system clock. Oscillator can be stopped when SCR.1 is set to logic 1. Output pin for oscillator which is connected to another crystal pin. 32.768 KHz crystal input pin. 32.768 KHz crystal output pin. General Input/Output port specified by PM1 register. If output mode is selected, PM0 register can be used to specify CMOS/NMOS driving capability option. Initial state is input mode. General Input/Output port specified by PM2 register. If output mode is selected, PM0 register can be used to specify CMOS/NMOS driving capability option. Initial state is input mode. 4-bit schmitt input with internal pull high option specified by PM0 register. RC0 can be used as clock source for Timer 1. Each pin has an independent interrupt capability specified by PEFL special register. 4-bit schmitt input port with internal pull high option specified by PM0 register. Each pin has an independent interrupt capability specified by PEFH special register. Output port only. RE3 may use as TONE if bit 0 of MR0 special register is set to logic 1. System reset pin with internal pull-high resistor is active low. Test pin. Connected to low for normal use. Connects resistor to VDD to generate speech or melody clock source. Power source for PWM output. Synchronous LED1 output while speech play/melody is active. Synchronous LED2 output only while speech play is active. Speaker direct driving output 1 while speech or melody is active. Speaker direct driving output 2 while speech or melody is active. LCD segment output pins. LCD common signal output pins. The LCD alternating frequency is fixed at 64Hz. Connection terminals for voltage doubler capacitor. Connects a 1uF capacitor to VSS1 to double VDD voltage output if triple pump option is enabled. Otherwise, VDD2 connects to VDD directly if double pump option is enabled. An output if internal pump circuit is enabled. It connects a 1uF capacitor to VSS. Triple VDD voltage will be output if triple pump option is enabled. Otherwise, double VDD voltage will be output if double pump option is enabled. An input if internal pump voltage is disabled. -4- W53322/W53342 V2 ~ V5 O V6 I VDD I VSS1 VSS2 I I LCD COM/SEG output driving voltage. If internal shunt resistor is disabled, external resistors need to be supplied to V2, V3, V4, V5 . A capacitor is suggested for stable LCD voltage level. External variable resistor connects between VDD3 and V6 to adjust LCD maximun voltage level. Microcontroller Positive power supply (+). Negative power supply (-). Negative power supply (-). ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage to Ground Potential Applied Input/Output Voltage Power Dissipation Ambient Operating Temperature Storage Temperature VDD3 Input Voltage RATING -0.3 to +7.0 -0.3 to +7.0 120 0 to +70 -55 to +150 12 UNIT V V mW °C °C V Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device. DC CHARACTERISTICS (VDD−VSS = 3.0V, Fm =1 MHz, Fs = 32.768 KHz, TA = 25° C, LCD on; unless otherwise specified) PARAMETER SYM. CONDITIONS MIN. TYP. MAX. UNIT Op. Voltage VDD 2.4 5.5 V Op. Current IOP1 Dual clock with crystal 250 300 uA (No Load) Dual clock with RC type 250 300 uA Single Clock 60 100 uA Halt Mode Current Iop2 Dual clock with crystal 120 150 uA (No Load, LCD OFF) Dual clock with RC type 120 150 Single clock 6 10 Stop Mode Current Iop3 LCD OFF 1 uA Input Low Voltage VIL VSS 0.3*VDD V Input High Voltage VIH 0.7 1 VDD Port RA, RB Output Low VABL IOL = 2.0 mA 0.4 V Voltage Port RA, RB Output High VABH IOH = -2.0 mA 2.4 V Voltage Port RE Sink Current IEL VOL = 0.4V 2 mA Port RE Source Current IEH VOH = 2.4V -2 mA -5- Publication Release Date: March 1999 Revision A2 W53322/W53342 PARAMETER Pull-up Resistor RES Pull-up Resistor LED1/LED2 Sink Current PWM1/2 Source Current SYM. RCD RRES ILED ISPH PWM1/2 Sink Current ISPL LCD Supply Current COM/SEG On Resistor VDD2 output voltage ILCD Ron VDOB VDD3 output Voltage VDD3 Input Voltage VTRI VLCD CONDITIONS Port RC, RD VO=1 volt VOL = 2.4V CUR1~0=00 VOL = 2.4V CUR1~0=01 VOL = 2.4V CUR1~0=10 VOL = 2.4V CUR1~0=11 VOL = 0.6V CUR1~0=00 VOL = 0.6V CUR1~0=01 VOL = 0.6V CUR1~0=10 VOL = 0.6V CUR1~0=11 No Load, All Seg. ON IOH = ± 50 µA VLCDEXT=0 & PMPV3B=0 VLCDEXT=0 & PMPV3B=1 VLCDEXT=0 & PMPV3B=0 VLCDEXT=0 & PMPV3B=1 VLCDEXT=1 MIN. 100 20 -30 -60 -90 -120 30 60 90 120 - TYP. 350 100 8 MAX. 1000 500 UNIT KΩ KΩ mA mA mA 50 5K 2 10K µA Ω VDD 1 3 VDD 2 7 10 V AC CHARATERISTICS (VDD−VSS = 3.0V, Fm = 1 MHz, Fs = 32.768 KHz, TA = 25° C, LCD on; unless otherwise specified) PARAMETER SYM. CONDITIONS MIN. TYP. MAX. UNIT Sub-clock Frequency FS Crystal type 32768 Hz Main-clock Frequency FM RC type/Crystal type 400 4190 KHz Op. Frequency FOSC SCR.0=1 32768 KHz SCR.0=0 400 4190 Instruction Cycle Time TCYC One machine cycle 4/FOSC S Reset Active Width TRAW FOSC = 32.768 KHz 1 µS Interrupt Active Width TIAW FOSC = 32.768 KHz 1 µS Main clock RC frequency FRXIN 400K Hz RXIN =2.4 MΩ 800K RXIN =1.2 MΩ 1M RXIN =910 KΩ 4M RXIN =160 KΩ Frequency Deviation of 10 % f(3V) − f(2.4V) ∆f main-clock FRXIN =1MHz f f(3V) ROSC Frequency FROSC 3.23 MHz ROSC =1.2MΩ Frequency Deviation of 10 % f(3V) − f(2.4V) ∆f FROSC = 3MHz f f(3V) Frame frequency FLCD 64 Hz -6- W53322/W53342 TYPICAL APPLICATION CIRCUIT 32com*64seg LCD panel VDDP SEG0~63 COM0~31 LED1 LED2 RC0~3 PWM1 RD0~3 RA0~3 PWM2 DH1 RB0~3 Battery RE0~3 RESETB DH2 0.1uF VDD2 1uF 1uF JP1 VDD VDDP 1uF VDD3 50 ohm 10uF VDD 1.2M ohm R2 30pF W53342 R5 (2) 0.1uF V6 ROSC R3 XIN 0.1uF V5 X32IN 0.1uF V4 32.768kHz 0.1uF V3 30pF V2 X32O VSS2 VSS1 0.1uF R4 Note : 1.JP1 used to select double or triple pump. 2.R5=0 if double pump is active. 3.R3 and R4 are optional. 4.LCD duty and bias are programmed by registers . -7- Publication Release Date: March 1999 Revision A2 W53322/W53342 Headquarters Winbond Electronics (H.K.) Ltd. No. 4, Creation Rd. III, Science-Based Industrial Park, Hsinchu, Taiwan TEL: 886-3-5770066 FAX: 886-3-5792697 http://www.winbond.com.tw/ Voice & Fax-on-demand: 886-2-7197006 Rm. 803, World Trade Square, Tower II, 123 Hoi Bun Rd., Kwun Tong, Kowloon, Hong Kong TEL: 852-27513100 FAX: 852-27552064 Taipei Office 11F, No. 115, Sec. 3, Min-Sheng East Rd., Taipei, Taiwan TEL: 886-2-7190505 FAX: 886-2-7197502 Note: All data and specifications are subject to change without notice. -8- Winbond Electronics North America Corp. Winbond Memory Lab. Winbond Microelectronics Corp. Winbond Systems Lab. 2730 Orchard Parkway, San Jose, CA 95134, U.S.A. TEL: 1-408-9436666 FAX: 1-408-9436668