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ZGP323H Datasheet(PDF) 69 Page - Zilog, Inc.

Part No. ZGP323H
Description  Programmable input glitch filter for pulse reception
Download  107 Pages
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Maker  ZILOG [Zilog, Inc.]
Homepage  http://www.zilog.com
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ZGP323H Datasheet(HTML) 69 Page - Zilog, Inc.

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ZGP323H
Product Specification
PS023803-0305
Functional Description
61
Stop Mode Recovery Register 2 (SMR2)
This register determines the mode of Stop Mode Recovery for SMR2 (Figure 36).
SMR2(0F)DH
Figure 36. Stop Mode Recovery Register 2 ((0F)DH:D2–D4, D6 Write Only)
If SMR2 is used in conjunction with SMR, either of the specified events causes a
Stop Mode Recovery.
Port pins configured as outputs are ignored as an SMR or
SMR2 recovery source. For example, if the NAND or P23–P20
is selected as the recovery source and P20 is configured as an
output, the remaining SMR pins (P23–P21) form the NAND
equation.
D7
D6
D5
D4
D3
D2
D1
D0
Reserved (Must be 0)
Reserved (Must be 0)
Stop-Mode Recovery Source 2
000 POR Only *
001 NAND P20, P21, P22, P23
010 NAND P20, P21, P22, P23, P24, P25, P26, P27
011 NOR P31, P32, P33
100 NAND P31, P32, P33
101 NOR P31, P32, P33, P00, P07
110 NAND P31, P32, P33, P00, P07
111 NAND P31, P32, P33, P20, P21, P22
Reserved (Must be 0)
Recovery Level * *
0Low *
1 High
Reserved (Must be 0)
Note: If used in conjunction with SMR, either of the two specified events causes a Stop-Mode Recovery.
* Default setting after reset
* * At the XOR gate input
Note:


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