ICP DAS USA 7188XA Series User Manual page 32

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1.3.2 Specifications of 7188XB & 7188XBD
System
l Module name: embedded controller
l CPU: Am188™ES, 40M Hz
l SRAM: 256K bytes
l FLASH ROM: 512K bytes
l COM port: COM1, COM2
l Built-in RTC, NVRAM, EEPROM, D/I, D/O
l User defined pins:14, pin-15 ~ pin-28
l Supports I/O Expansion Bus
l Program download port: COM1
Real Time Clock
l Year-2000 compliance
l Seconds, minutes, hours, date of the month
l Month, year, valid from 1980 to 2079
l NVSRAM: 31 bytes, battery backup, data valid up to 10 years
EEPROM
l 2048 bytes ( 8 blocks, each block has 256 bytes)
l Data retention > 100 years
l 1,000,000 erase/write cycles
Flash Memory
l 512K bytes
l Erase unit is one sector(64K bytes)
l 100,000 erase/write cycles
D/I: 1 channel
l
High:3.5V ~ 30V, Low:0 ~ 1V
D/O: 1 channel
l 100 mA, 30V max.
7188XA/B/C & 7521/2/2A/3/4/7 Series Hardware User' s Manual, Ver. 2.0 Sep/2002, 7Mh-001-20 -----
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