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Weltrend Semiconductor, Inc.
WT62P2
Digital Monitor Controller with USB Function
(Flash Memory Type)
Preliminary Data Sheet
REV. 1.04 Sep. 20, 2001
The information in this document is subject to change without notice. (c)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:support@weltrend.com.tw
WT62P2
GENERAL DESCRIPTION
v1.04
USB Monitor Controller
The WT62P2 is a microcontroller for digital controlled monitor with Universal Serial Bus (USB) interface. It contains an 8-bit CPU, 60K bytes Flash memory, 1024 bytes RAM, 256 bits bit-addressable RAM, 14 2 PWMs, parallel I/Os, SYNC signal processor, timer, DDC1/2B interface, master/slave I C 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 60K bytes flash memory, 1024 bytes SRAM, 256 bits 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 42-pin PDIP 42-pin Shrink PDIP 40-pin PDIP 44-pin SOP 44-pin PLCC Part Number WT62P2-N42 WT62P2-K42 WT62P2-N40 WT62P2-S44 WT62P2-L44
Weltrend Semiconductor, Inc.
Page 2
WT62P2
v1.04
USB Monitor Controller
PIN ASSIGNMENT AND PACKAGE TYPE
42-pin PDIP 42-pin SPDIP
D+ PWM2 PWM1 PWM0 RESET/3V3 VDD GND OSCO OSCI PB5/SDA2 PB4/SCL2 PB3/PAT PB2 PB1/HFI PB0/HFO IRQ PC7/SOGIN PC6 PC5 PC4 PC3/AD3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 42 41 40 39 38 37 36 35 34 DVIN HIN PWM3 PD5/PWM4 PD4/PWM5 PD3/PWM6 PD2/PWM7 PD1/HOUT PD0/VOUT PA7/PWM13/CLAMP PA6/PWM12 PA5/PWM11 PA4/PWM10 PA3/PWM9 PA2/PWM8 PA1/SCL1 PA0/SDA1 PC0/AD0 PC1/AD1 PC2/AD2 PWM2 PWM1 PWM0 RESET/3V3 VDD GND OSCO OSCI PB5/SDA2 PB4/SCL2 PB3/PAT PB2 PB1/HFI PB0/HFO IRQ PC7/SOGIN PC6 PC5 PC4 PC3/AD3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 VIN HIN PWM3 PD5/PWM4 PD4/PWM5 PD3/PWM6 PD2/PWM7 PD1/HOUT PD0/VOUT PA7/PWM13/CLAMP PA6/PWM12 PA5/PWM11 PA4/PWM10 PA3/PWM9 PA2/PWM8 PA1/SCL1 PA0/SDA1 PC0/AD0 PC1/AD1 PC2/AD2
40-pin PDIP
WT62P2-N42 WT62P2-K42
33 32 31 30 29 28 27 26 25 24 23 22
WT62P2-N40
31 30 29 28 27 26 25 24 23 22 21
44-pin SOP
PWM0 PWM1 PWM2 HIN 41 VIN 43 42 D+ PWM2 PWM1 PWM0 RESET/3V3 VDD 2 3 4 5 6 7 GND OSCO OSCI PB5/SDA2 PB4/SCL2 PB3/PAT PB2 PB1/HFI PB0/HFO IRQ PC7/SOGIN PC6 PC5 PC4 PC3/AD3 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 43 42 41 40 39 38 37 36 35 34 PD3/PWM6 PD2/PWM7 PD1/HOUT PD0/VOUT PA6/PWM12 PA5/PWM11 PA4/PWM10 PA3/PWM9 PA2/PWM8 PC6 PC5 PC4 PC7/SOGIN PA0/SDA1 PA1/SCL1 PA1/SCL1 PA0/SDA1 PC0/AD0 PC1/AD1 PC2/AD2 PA2/PWM8 PC3/AD3 PC2/AD2 PC1/AD1 PC0/AD0 VIN HIN 6 PWM3 PD5/PWM4 PD4/PWM5 VDD GND OSCO OSCI PB5/SDA2 PB4/SCL2 PB3/PAT PB2 PB1/HFI PB0/HFO IRQ 7 8 9 10 11 12 13 14 15 16 17 23 24 25 26 27 18 19 20 21 22 28 PWM3 40 39 38 37 36 35 D+ 1 44 DRESET/3V3
44-pin PLCC
D44
5
4
3
2
1
PD5/PWM4 PD4/PWM5 PD3/PWM6 PD2/PWM7 PD1/HOUT PD0/VOUT PA7/PWM13/CLAMP PA6/PWM12 PA5/PWM11 PA4/PWM10 PA3/PWM9
WT62P2-L44
34 33 32 31 30 29
WT62P2-S44
33 32 31 30 29 28 27 26 25 24 23
PA7/PWM13/CLAMP
Weltrend Semiconductor, Inc.
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WT62P2
v1.04
USB Monitor Controller
PIN DESCRIPTION
Pin No. L44 S44 42 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 34 35 36 37 38 39 40 41 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 34 35 36 37 38 39 40 41 42 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 34 35 36 37 38 39 40 Pin Name 40 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 6 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 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 I/O O O O I 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 supply. 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. I/O Description
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
Port D0 or Vsync output. Port D1 or Hsync output. Port D2 or PWM7 output. Port D3 or PWM6 output. No Connection. I/O Port D4 or PWM5 output. I/O Port D5 or PWM4 output. I/O PWM3 output (10V open-drain). I Hsync Input.
Weltrend Semiconductor, Inc.
Page 4
WT62P2
42 43 44 43 44 41 42 40 VIN - NC - DVsync input. No Connection. I/O USB D- signal. I
v1.04
USB Monitor Controller
FUNCTIONAL DESCRIPTION
CPU
8-bit 6502 compatible CPU with 16-bit address bus and 8-bit data bus operates at 6MHz. The non-maskable interrupt (/NMI) of 6502 is modified to be maskable and is defined as INT0 with higher priority. The interrupt request (/IRQ) of 6502 is defined as INT1 with lower priority. Please refer the 6502 reference menu for more detail.
RAM
The 1024 bytes SRAM include : 128 bytes SRAM are from $0080H to $00FFH 256 bytes SRAM are from $0100H to $01FFH 256 bytes SRAM are from $0200H to $02FFH 256 bytes SRAM are from $0300H to $03FFH 128 bytes SRAM are from $0400H to $047FH The 256 bits bit-addressable SRAM are from $0500H to $05FFH
Flash Memory
60K bytes flash memory for program. Address is located from $1000h to $FFFFh. The following addresses are reserved for special purpose : $FFFAh (low byte) and $FFFBh (high byte) : INT0 interrupt vector. $FFFCh (low byte) and $FFFDh (high byte) : program reset interrupt vector. $FFFEh (low byte) and $FFFFh (high byte) : INT1 interrupt vector.
Weltrend Semiconductor, Inc.
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