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5.3.2 Specifications for 7188E1/2/3/4/5/8(D)
System
Module name: Embedded controller
CPU: Am188™ES, 40M Hz, or compatible
SRAM: 256K bytes
FLASH ROM: 512K bytes
Built-in EEPROM
Program download from PC
EEPROM
2048 bytes (8 blocks, each block has 256 bytes)
Data retention > 100 years
1,000,000 erase/write cycles
Flash Memory
256K bytes
Erase unit is one sector (64K bytes)
100,000 erase/write cycles
COM1
RS-232: TXD,RXD,RTS,CTS,GND
Communication speed: 115200 max.
Program download port
COM2 for 7188E2/3/4/5/8(D)
RS-485: D2+, D2-
Communication speed: 115200 max.
Directly connect to I7000 RS-485 network
Display
7-segmemt LED: 5-digit (for 7188E1/2/3/4/5/8D)
Power
Power requirements: 10 to 30VDC(non-regulated)
Power consumption: 2.0W for 7188E1/2/3/4/5/8
3.0W for 7188E1/2/3/4/5/8D
7188E Series Hardware User’s Manual, 2004, v2.2, 7MH-016-22 ----- 75