EM78P257
OTP ROM
Specification Revision History
Content
Version
1.0
Initial version
05/06/2002
03/18/2003
To add AKM/BKM Package type, RC Drift Rate, DC and AC Electrical
Characteristic
1.1
1.2
1.3
1.4
To remove BKM Package type, Change Power on reset content
To add AC, DC curve
06/27/2003
05/23/2004
07/27/2004
To remove prescalers from TCCA, TCCB and TCCC
Application Note
AN-001 EM78P257 Firmware programming for Mouse, Comparator, IR and Change Interrupt. Internal C,
External R Oscillation Mode Application Note
AN-002 EM78P257 applied by Comparator, IR ourput and Mouse separately
This specification is subject to change without prior notice.
2
07.27.2004 (V1.4)
ELAN [ ELAN MICROELECTRONICS CORP ]
