80C32E_14 Datasheet, PDF (7/20 Pages) ATMEL Corporation – 8032 Pin and Instruction Compatible

80C32E
Exit from power-down by either reset or external interrupt does not affect the internal
RAM content.
Note:
If idle mode is activated with power-down mode (IDL and PD bits set), the exit sequence
is unchanged, when execution is vectored to interrupt, PD and IDL bits are cleared and
idle mode is not entered.
Table 2. State of Ports During Idle and Power-down Modes
Mode
Program
Memory
ALE
PSEN
PORT0
PORT1
PORT2
PORT3
Idle
External
1
1
Floating Port Data Address Port Data
Power-
down
External
0
0
Floating Port Data Port Data Port Data
7
4149N–AERO–04/07