W78IE52/W78I052A
8-BIT MICROCONTROLLER
Table of Contents -
1.
2.
3.
4.
5.
GENERAL DESCRIPTION ......................................................................................................... 3
FEATURES ................................................................................................................................. 3
PIN CONFIGURATIONS ............................................................................................................ 4
PIN DESCRIPTION..................................................................................................................... 5
FUNCTIONAL DESCRIPTION ................................................................................................... 6
5.1
5.2
Timers 0, 1, and 2........................................................................................................... 6
New Defined Peripheral.................................................................................................. 6
5.2.1
5.2.2
5.2.3
5.2.4
INT2
/
INT3
................................................................................................................6
PORT4 .........................................................................................................................7
Reduce EMI Emission ..................................................................................................7
Power-off Flag ..............................................................................................................8
Watchdog Timer Control Register ................................................................................8
5.3
5.4
5.5
Watchdog Timer ............................................................................................................. 8
5.3.1
Clock ............................................................................................................................. 10
Power Management...................................................................................................... 10
5.5.1
5.5.2
Idle Mode....................................................................................................................10
Power-down Mode......................................................................................................10
5.6
6.
6.1
6.2
6.3
6.4
6.5
6.6
6.7
7.
7.1
7.2
7.3
8.
9.
10.
Reset............................................................................................................................. 10
Read Operation ............................................................................................................ 11
Output Disable Condition.............................................................................................. 11
Program Operation ....................................................................................................... 11
Program Verify Operation ............................................................................................. 11
Erase Operation............................................................................................................ 11
Erase Verify Operation ................................................................................................. 11
Program/Erase Inhibit Operation .................................................................................. 12
Lock bit.......................................................................................................................... 13
MOVC Inhibit................................................................................................................. 14
Encryption ..................................................................................................................... 14
ON-CHIP FLASH EPROM CHARACTERISTICS..................................................................... 11
SECURITY BITS ....................................................................................................................... 13
ABSOLUTE MAXIMUM RATINGS ........................................................................................... 14
DC CHARACTERISTICS.......................................................................................................... 15
AC CHARACTERISTICS .......................................................................................................... 16
Publication Release Date: October 2, 2006
Revision A4
-1-
WINBOND [ WINBOND ]
