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參數(shù)資料
| 型號： | EPVP6810 |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | VFD Controller |
| 中文描述： | 變頻控制器 |
| 文件頁數(shù)： | 7/50頁 |
| 文件大小： | 343K |
| 代理商： | EPVP6810 |
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ePVP6810
VFD Controller
This specification is subject to change without further notice.
11.28.2004 (V1.23)
1 of 50
1 General Description
The ePVP6810 is an 8-bit RISC type vacuum fluorescent display (VFD) controller equipped
with low power consumption and high speed CMOS technology. This integrated single chip
features on_chip watchdog timer (WDT), one time programming ROM (OTP), data RAM,
programmable real time clock/counter, internal interrupt, power down mode, 10-bit A/D
converter, IR detector, and high voltage output for VFD application.
2. Feature
2.1 CPU
Clock source
Crystal Oscillator
Crystal Oscillator (32.768KHz): with a external crystal
4k x 13 on chip Program ROM.
128 x 8 on chip data RAM
144 x 8 general purpose registers
16 level stack for subroutine nesting
5 channel 8-bit counters:
real time clock/counter (TCC) ,COUNTER1, COUNTER3,
COUNTER4, COUNTER5
1 channel 16-bit counter:
COUNTER2
On-chip watchdog timer (WDT)
99.9
single instruction cycle commands
Four operation modes
Mode
CPU Status
Main Clock
32.768kHz Clock
Status
Description
Sleep mode
Turn off
Turn off
Turn off
RA(6) = 0
RA(7) = 0 + "SLEP" instruction
RA(6) = 0
RA(7) = 1 +"SLEP" instruction.
RA(6) = 0
RA(6) = 1
Idle mode
Turn off
Turn off
Turn on
Green mode
Turn on
Turn off
Turn on
Normal mode
Turn on
Turn on
Turn on
* Main clock can be programmed from 447.829k to 17.91MH by internal PLL
*
8 main clocks:
447.829K, 895.658K, 1.791M , 3.582M , 7.165M , 10.747M ,
14.331M and 17.91MHz
12 interrupt source, 5 external (IR , INT1~INT4 ), 8 internal ( ADC, TCC, COUNTER1~5)
2.2 GPIO
GPIO 9 Port(8 bit)
:
general purpose input/output; LED output ; interrupt function
GPIO B Port(7 bit)
:
general purpose input/output for power down/MPEG power/Reset
control
GPIO C Port(4 bit)
:
general purpose input/output for switch and key scanning (6x4 matrix)
2.3 ADC
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