參數(shù)資料
型號(hào)： HMS77C2000
英文描述： [General Purpose(2) : ADC/ LED/ SCI/ PWM]
中文描述： [通用（2）：藝術(shù)發(fā)展局/發(fā)光/工商/脈寬調(diào)制]
文件頁(yè)數(shù)： 47/59頁(yè)
文件大?。?/td> 660K
代理商： HMS77C2000
HMS77C2000/2001
44
Nov. 2002 Ver 1.1
recent firmware or a custom firmware to be programmed.
The device is placed into a program/verify mode by hold-
ing the UP0, UP1 and the other pins(UP2, UP4, UP5) low
while raising the RESET (V
PP
) pin from V
IL
to V
IH
. UP1
becomes the programming clock and UP0 becomes the
programming data. Both UP1 and UP0 are schmitt trigger
inputs in this mode.
After reset, a 6-bit command is then supplied to the device.
Depending on the command, 14-bits of program data are
then supplied to or from the device, depending if the com-
mand was a load or a read. For complete details of serial
programming, please refer to the HMS77C2000 and
HMS77C2001 programming specifications.
A typical in-circuit serial programming connection is
shown in Figure 12-15.
FIGURE 12-15 TYPICAL IN-CIRCUIT SERIAL
PROGRAMMING CONNECTION
V
DD
V
SS
RESET/V
PP
UP1
UP0
+5V
0V
V
PP
CLK
Data I/O
To Normal
Connections
To Normal
Connections
External
connector
signals
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
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HMS81008 制造商:未知廠家 制造商全稱:未知廠家 功能描述:REMOTE CONTROLLER
HMS81008E 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:HYNIX SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS
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