Weltrend Semiconductor, Inc. WT6248 Digital Monitor Controller with USB Function (ROM Type) Preliminary Data Sheet REV. 1.01 Sep. 20, 2001 The information in this document is subject to change without notice. Weltrend Semiconductor, Inc. All Rights Reserved. 2F, No. 24, Industry E. 9th RD., Science-Based Industrial Park, Hsin-Chu, Taiwan TEL:886-3-5780241 FAX:886-3-5794278.5770419 Email:[email protected] WT6248v1.01 USB Monitor Controller GENERAL DESCRIPTION The WT6248 is a microcontroller for digital controlled monitor with Universal Serial Bus (USB) interface. It contains an 8-bit CPU, 48K bytes ROM, 1056 bytes RAM, 14 PWMs, parallel I/Os, SYNC signal processor, timer, DDC1/2B interface, master/slave I2C interface, low speed USB device module, 6-bit A/D converter and watch-dog timer. FEATURES • • • • • • • • • • • • • • • • • 8-bit 6502 compatible CPU with 6MHz operating frequency 48K bytes ROM, 1024 bytes SRAM+32 bytes bit-addressable SRAM 12MHz crystal oscillator 14 channels 8-bit PWM outputs Sync signal processor with H+V separation, H/V frequency counter, H/V polarity detection/control and clamp pulse output Six free-running sync signal outputs (Horizontal frequency up to 106KHz 85Hz@1600x1200) Self-test pattern DDC1/2B module for EDID1.3, EDID2.0 and Enhance EDID Fast mode master/slave I2C interface (up to 400KHz) Embedded USB function with endpoint 0 and endpoint 1 Built-in 3.3V regulator for USB transceiver Watch-dog timer Maximum 28 programmable I/O pins One 8-bit programmable timer 6-bit A/D converter with 4 selectable inputs One external interrupt request input Low VDD reset ORDERING INFORMATION Package Type Part Number 42-pin PDIP WT6248-N42 42-pin Shrink PDIP WT6248-K42 44-pin SOP WT6248-S44 44-pin PLCC WT6248-L44 Weltrend Semiconductor, Inc. Page 2 WT6248v1.01 USB Monitor Controller PIN CONFIGURATION 42-pin PDIP 42-pin SPDIP 44-pin SOP D+ 1 42 D- D+ 1 44 D- PWM2 2 41 VIN PWM2 2 43 VIN PWM1 3 40 HIN PWM1 3 42 HIN PWM0 4 39 PWM3 PWM0 4 41 PWM3 RESET/3V3 5 38 PD5/PWM4 RESET/3V3 5 40 PD5/PWM4 VDD 6 37 PD4/PWM5 VDD 6 39 PD4/PWM5 GND 7 36 PD3/PWM6 7 38 OSCO 8 35 PD2/PWM7 GND 8 37 PD3/PWM6 OSCI 9 34 PD1/HOUT OSCO 9 36 PD2/PWM7 WT6248-N42 33 PD0/VOUT OSCI 10 35 PD1/HOUT WT6248-K42 32 PA7/PWM13/CLAMP PB5/SDA2 11 34 PD0/VOUT 33 PA7/PWM13/CLAMP PA5/PWM11 PB3/PAT 13 32 PA6/PWM12 PB1/HFI 14 29 PA4/PWM10 PB2 14 31 PA5/PWM11 PB0/HFO 15 28 PA3/PWM9 PB1/HFI 15 30 PA4/PWM10 IRQ 16 27 PA2/PWM8 PB0/HFO 16 29 PA3/PWM9 PC7/SOGIN 17 26 PA1/SCL1 IRQ 17 28 PA2/PWM8 PC6 18 25 PA0/SDA1 PC7/SOGIN 18 27 PA1/SCL1 PC5 19 24 PC0/AD0 PC6 19 26 PA0/SDA1 PC4 20 23 PC1/AD1 PC5 20 25 PC0/AD0 PC3/AD3 21 22 PC2/AD2 PC4 21 24 PC1/AD1 PC3/AD3 22 23 PC2/AD2 D- 30 D+ 13 44 PB2 PWM2 12 1 PB4/SCL2 PWM1 PA6/PWM12 2 31 PWM0 12 3 PB3/PAT RESET/3V3 11 4 PB4/SCL2 5 10 VIN HIN PWM3 42 41 40 44-pin PLCC 43 6 PB5/SDA2 VDD 7 39 PD5/PWM4 GND 8 38 PD4/PWM5 OSCO 9 37 PD3/PWM6 OSCI 10 36 PD2/PWM7 PB5/SDA2 11 35 PD1/HOUT PB4/SCL2 12 34 PD0/VOUT PB3/PAT 13 33 PA7/PWM13/CLAMP PB2 14 32 PA6/PWM12 PB1/HFI 15 31 PA5/PWM11 PB0/HFO 16 30 PA4/PWM10 IRQ 17 29 PA3/PWM9 18 19 20 21 22 23 24 25 26 27 28 PC7/SOGIN PC6 PC5 PC4 PC3/AD3 PC2/AD2 PC1/AD1 PC0/AD0 PA0/SDA1 PA1/SCL1 PA2/PWM8 WT6248-L44 Weltrend Semiconductor, Inc. Page 3 WT6248-S44 WT6248v1.01 USB Monitor Controller PIN DESCRIPTION L44 S44 42 Pin Name I/O D+ PWM2 PWM1 PWM0 /RESET/3V3 NC VDD NC GND OSCO OSCI PB5/ SDA2 PB4/ SCL2 PB3/PAT PB2 PB1/HFI PB0/HFO /IRQ PC7/SOGIN PC6 PC5 PC4 PC3/AD3 PC2/AD2 PC1/AD1 PC0/AD0 PA0/SDA1 PA1/SCL1 PA2/PWM8 PA3/PWM9 PA4/PWM10 PA5/PWM11 PA6/PWM12 PA7/PWM13/ CLAMP PD0/VOUT PD1/HOUT PD2/PWM7 PD3/PWM6 NC PD4/PWM5 PD5/PWM4 PWM3 HIN VIN NC D- I/O O O O I 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 34 35 36 37 38 39 40 41 42 43 44 34 35 36 37 38 39 40 41 42 43 44 33 34 35 36 37 38 39 40 41 42 I/O I I/O I/O I/O I/O I/O I/O I I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I I I/O Description USB D+ signal. PWM2 output (10V open-drain). PWM1 output (5V open-drain). PWM0 output (5V open-drain). Reset input or +3.3V regulator output for USB transceiver power No Connection. +5V power supply. No Connection. Ground. 12MHz oscillator output. 12MHz oscillator input. Port B5 or I2C interface data line. Port B4 or I2C interface clock line. Port B3 or test pattern output Port B2. Port B1 or half frequency divider input. Port B0 or half frequency divider output. Interrupt request input. A low level on this can generate interrupt. Port C7 or Sync on Green input. Port C6. Port C5. Port C4. Port C3 or ADC input 3. Port C2 or ADC input 2. Port C1 or ADC input 1. Port C0 or ADC input 0. Port A0 or DDC interface SDA pin. Port A1 or DDC interface SCL pin. Port A2 or PWM8 output. Port A3 or PWM9 output. Port A4 or PWM10 output. Port A5 or PWM11 output. Port A6 or PWM12 output. Port A7 or PWM13 output or clamp pulse output. Port D0 or Vsync output. Port D1 or Hsync output. Port D2 or PWM7 output. Port D3 or PWM6 output. No Connection. Port D4 or PWM5 output. Port D5 or PWM4 output. PWM3 output (10V open-drain). Hsync Input. Vsync input. No Connection. USB D- signal. Weltrend Semiconductor, Inc. Page 4