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Figure 104, Cpu user manual, Power-down modes – Zilog Z86193 User Manual

Page 121: Figure 104. stop mode recovery source

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Z8

®

CPU

User Manual

UM001604-0108

Power-Down Modes

114

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.

Figure 104. Stop Mode Recovery Source

SMR D4 D3 D2

0 0 0

SMR D4 D3 D2

0 0 1

0 1 0

0 1 1

SMR D4 D3 D2

1 0 0

SMR D4 D3 D2

1 0 1

SMR D4 D3 D2

1 1 0

SMR D4 D3 D2

1 1 0

V

DD

P20

P23

P20

P27

P30

P33

P27

P31

P32

MUX

To POR

RESET

To P33 Data

Latch and IRQ

1

Stop Mode Recovery Edge

Select (SMR)

P33 From Pads

Digital/Analog Mode

Select (P3M)