User Manual

1.3.2 Specifications of 7522A/7522AD/7524/7524D/7527/7527D
System
 Module name: embedded controller
 CPU: Am188™ES, 40M Hz
 SRAM: 256K bytes
 FLASH ROM: 512K bytes
 COM port: COM1, COM2 ,COM3, COM4,COM5, COM6, COM7, COM8
 Built-in RTC, NVRAM, EEPROM, D/I, D/O
 Program download port: COM1
Real Time Clock
 Year-2000 compliance
 Seconds, minutes, hours, date of the month
 Month, year, valid from 1980 to 2079
 NVSRAM: 31 bytes, battery backup, data valid up to 10 years
EEPROM
 2048 bytes ( 8 blocks, each block has 256 bytes)
 Data retention > 100 years
 1,000,000 erase/write cycles
Flash Memory
 512K bytes
 Erase unit is one sector(64K bytes)
 100,000 erase/write cycles
D/I:
 5 channels for 7522A/7522AD
 1 channels for 7524/7527D
 High:3.5V ~ 30V, Low:0 ~ 1V
D/O:
 5 channels for 7522A/7522AD
 1 channels for 7524/7527D
 100 mA, 30V max.
7521/2/2A/3/4/7 Series Hardware User’s Manual, Ver. 1.5 Sep/2002, 7Mh-001-15 -----25