參數(shù)資料
型號(hào): NT68F62
廠商: Electronic Theatre Controls, Inc.
英文描述: 8-Bit Microcontroller for Monitor (32K Flash MTP Type)
中文描述: 8位微控制器的監(jiān)視器(32K閃存中期型)
文件頁(yè)數(shù): 1/57頁(yè)
文件大?。?/td> 521K
代理商: NT68F62
NT68F62
8-Bit Microcontroller for Monitor (32K Flash MTP Type)
1
V1.0
Features
Operating voltage range: 4.5V to 5.5V
CMOS technology for low power consumption
6502 8-bit CMOS CPU core
8 MHz operation frequency
32K bytes of flash memory for Multi -Times Program
512 bytes of RAM
2Kbytes Masked BootROM for ISP.
One 8-bit base timer
13 channels of 8-bit PWM outputs with 5V open drain
4 channel A/D converters with 6-bit resolution
25 bi-directional I/O port pins (8 dedicated I/O pins)
Hsync/Vsync signals processor for separate &
composite signals, including hardware sync signals
polarity detection and freq. counters with 2 sets of
Hsync counting intervals
Hsync/Vsync polarity controlled output, 5 selectable
free run output signals and self-test patterns, auto-
mute function, half freq. I/O function
Two built-in IIC bus interfaces support VESA
DDC1/2B+
Two layers of interrupt management
NMI interrupt sources
- INTE0 (External INT with selectable edge trigger)
- INTMUTE (Auto Mute Activated)
IRQ interrupt sources
- INTS0/1 (SCL Go-low INT)
- INTA0/1 (Slave Address Matched INT)
- INTTX0/1 (Shift Register INT)
- INTRX0/1 (Shift Register INT)
- INTNAK0/1 (No Acknowledge)
- INTSTOP0/1 (Stop Condition Occurred INT)
- INTE1 (External INT with Selectable Edge Trigger)
- INTV (VSYNC INT)
- INTMR (Base Timer INT)
- INTADC (AD Conversion Done INT)
Hardware watch-dog timer function
40-pin P-DIP and 42-pin S-DIP packages
General Description
The NT68F62 is a new generation of monitor
μ
C for auto-
sync and digital control applications. Particularly, this chip
supports various functions to allow users to easily develop
USB monitors. It contains the 6502 8-bit CPU core, 512
bytes of RAM for use as working RAM and as stack area,
32K bytes of Flash memory, 13-channels of 8-bit PWM D/A
converters, 4-channel A/D converters for detection of keys
which can save I/O pins, one 8-bit pre-loadable base timer,
an internal Hsync and Vsync signals processor and a
watch-dog timer, which prevents the system from abnormal
operation and two IIC bus interfaces. The user can store
EDID data in the 128 bytes of RAM for DDC1/2B, so that
the user can reduce a dedicated EEPROM for EDID. The
half frequency output function can save the external one-
shot circuit. All of these designs are borne of our
committment to offer our user savings on component costs.
The 42 pin S-DIP IC provides two additional I/O pins –
port40 & port41, Part number NT68F62U represents the S-
DIP IC. For future reference, port40 & port42 are only
available for the 42 pin S-DIP IC.
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相關(guān)代理商/技術(shù)參數(shù)
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