Hospital ECG Machine GE Dash5000 patient monitor CPU Battery main board PWA 801424-001 PWB 801425-005
►Brief Introduction
The main microcontroller contains two processors:
The CPM contains an 8 kilobyte dual-port RAM for communication with the CPU core and once configured, it communicates with external devices with minimal CPU intervention. The external logic is reduced by the internal memory controller and system interface unit, which provides a clock synthesizer and timer. Writer communication supports direct memory access, and 4kb instructions and data cache improve processing performance.
► Specifications
Microcontroller Feature | Patient Monitor Function |
Serial Communications Controller 1 | CARESCAPE Network |
Serial Communications Controller 2 | DAS communication |
Serial Management Controller 1 | PeriPHiliphhiliperal expansion communication |
Serial Management Controller 2 | Reserved |
Interprocessor-Integrated Controller | Batteries, battery charger, Real-time clock, Digital potentiometer for display Brightness control |
Serial PeriPHiliphhiliperal Interface | DAC for ECG and BP analog outputs; ASIC configuration |
User Programmable Machine A | Memory controller for synchronous graPHiliphhilipics RAM |
User Programmable Machine B | Memory controller for synchronous flash |
General-Purpose Chip-Select Machine | Memory and periPHiliphhiliperal device control |
LCD Controller | Color display |
Compact Flash Wireless Card Controller | Wireless card |
DMA | Writer communication |
System PHiliphhilipase-Locked Loop(SPLL) | Generation of system clock froom crystal oscillator |
► Internal lithium battery has a low content.
Note:
This information will be displayed when the patient display is powered on. Once the "Internal Lithium Battery Insufficient" message appears, the patient monitor will complete all power-on tests. Then, after the last test is completed, the following message will be displayed on the boot loader screen.
ONE OR MORE POWER-UP TESTS HAVE FAILED ** SERVICE MAY BE REQUIRED** DO YOU WISH TO CONTINUE MONITORING ANYWAY?
1=No, 2=Yes
The battery switch on the processor PCB battery may be in the off position.
► Features
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