Z86E3016PSG Datasheet, PDF (181/348 Pages) Zilog, Inc. – Z86E3016PSG

Z8 CPU
User Manual
163
SMR D4 D3 D2
0 00
V_DD
SMR
P30
P31
P32
D4 D3 D2 SMR
0 01
0 10
0 11
P33
D4 D3 D2 SMR
1 00
P27
D4 D3 D2
1 01
P20
P23
SMR D4 D3 D2
1 10
P20
P27
SMR D4 D3 D2
1 10
Stop Mode Recovery Edge
Select (SMR)
P33 From Pads
To POR
RESET
To P33 Data
Latch and IRQ₁
MUX
Digital/Analog Mode
Select (P3M)
Figure 104. Stop-Mode Recovery Source
If P31, P32, or P33 are to be used for a SMR source, the digital mode of
operation must be selected prior to entering STOP mode.
UM001602-0904
Power-Down Modes