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参数资料
| 型号： | 848A |
| 厂商： | B&K Precision |
| 文件页数： | 85/137页 |
| 文件大小： | 0K |
| 描述： | MEMORY PROGRAMMER PARALLEL INTER |
| 标准包装： | 1 |
| 类型： | 通用 |
| 适用于相关产品： | EPROM、EEPROM 闪存、串行 EPROM、微控制器和 PLD |
| 所含物品： | 编程器、适配器、缆线、手册和软件 |
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Enable target system power supply - enables supplying of target system from programmer.
Supply voltage for target system is switched on before action with programmed device and is
switched off after action finished. If Keep ISP signals at defined level after operation is
enabled, then programmer will switch off supply voltage after pull-up/pull-down resistors are
deactivated.
Voltage - supply voltage for target system.
Note: The voltage value given to target system depends also on current flowing to target
system. To reach exact voltage supply for target system, the proper Voltage and Max. current
values has to be defined. The Max. current value specified has to be as exact as possible
equal to real current consumption of target system.
Max. current - maximum current consumption of powered target system.
Voltage rise time - determines skew rate of rising edge of target supply voltage (switch on
supply voltage).
Target supply settle time - determines time, after which must be supply voltage in target
system stabilized at set value and target system is ready to any action with programmed
device.
Voltage fall time - determines skew rate of falling edge of target supply voltage (switch off
supply voltage).
Power down time - determines time after switch off target system power supply within target
system keeps residual supply voltage (e.g. from charged capacitor). After this time elapsed
target system has to be without supply voltage and can be safely disconnected from
programmer.
group Target System Parameters
Oscillator frequency (in Hz) - oscillator's frequency of device (in target system). Control
program sets programming speed by its, therefore is necessary set correct value.
Supply voltage (in mV) - supply voltage in target system. Control program checks or sets (it
depends on programmer type) entered supply voltage in target system before every action on
device.
Disable test supply voltage - disables measure and checking supply voltage of
programmed device, set in Supply voltage edit box, before action with device.
Delay after reset active - this parameter determine delay after Reset signal active to start
action with device. This delay depends on values of used devices in reset circuit of device
and can be chosen from these values: 10ms, 50ms, 100ms, 500ms or 1s.
I nactive level of ISP signals - this parameter determine level of ISP signals after finishing
access to target device. Signals of ISP connector can be set to Pull-up (signals are tied
through 22k resistors to supply voltage) or Pull-down (signals are tied through 22k resistors to
ground).
Keep ISP signals at defined level after operation - enables keeping set level of ISP signals
after access to target device finished. Control program indicates activated pull-up/pull-down
85
相关PDF资料 |
PDF描述 |
|---|---|
| 85506-0001 | CONN MOD JACK VERT 8-8 HI-SPEED |
| 85507-0001 | CONN MOD JACK VERT 8-8 SHIELDED |
| 85508-0001 | CONN MOD JACK VERT 8-8 SHIELDED |
| 85508-5001 | CONN MOD JACK 8POS T/H HI SPEED |
| 85511-0001 | CONN MOD JACK VERT 8-8 HI-SPEED |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 848A-2 | 制造商:CRZT 功能描述: |
| 848A6 | 制造商:Crouzet 功能描述: 制造商:Crydom 功能描述: |
| 848AB-01 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Electronic versions are uncontrolled except when accessed directly |
| 848-AG10D | 功能描述:IC 与器件插座 DIP 48 POS GOLD T/H RoHS:否 制造商:Molex 产品:LGA Sockets 节距:1.02 mm 排数: 位置/触点数量:2011 触点电镀:Gold 安装风格:SMD/SMT 端接类型:Solder 插座/封装类型:LGA 2011 工作温度范围:- 40 C to + 100 C |
| 848-AG10D-ES | 制造商:MACOM 制造商全称:Tyco Electronics 功能描述:DIP SOCKET 800 SERIES |
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