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ZGP323H Datasheet(PDF) 66 Page - Zilog, Inc.

Part No. ZGP323H
Description  Programmable input glitch filter for pulse reception
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Maker  ZILOG [Zilog, Inc.]
Homepage  http://www.zilog.com
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ZGP323H Datasheet(HTML) 66 Page - Zilog, Inc.

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ZGP323H
Product Specification
PS023803-0305
Functional Description
58
Figure 34. SCLK Circuit
Stop-Mode Recovery Source (D2, D3, and D4)
These three bits of the SMR specify the wake-up source of the Stop recovery
(Figure 35 and Table 22).
Stop-Mode Recovery Register 2—SMR2(F)0DH
Table 21 lists and briefly describes the fields for this register.
Table 21. SMR2(F)0DH:Stop Mode Recovery Register 2*
Field
Bit Position
Value
Description
Reserved
7-------
0
Reserved (Must be 0)
Recovery Level
-6------
W0
1
Low
High
Reserved
--5-----
0
Reserved (Must be 0)
Source
---432--
W
000
001
010
011
100
101
110
111
A. POR Only
B. NAND of P23–P20
C. NAND of P27–P20
D. NOR of P33–P31
E. NAND of P33–P31
F. NOR of P33–P31, P00, P07
G. NAND of P33–P31, P00, P07
H. NAND of P33–P31, P22–P20
Reserved
------10
00
Reserved (Must be 0)
Notes:
* Port pins configured as outputs are ignored as a SMR recovery source.
Indicates the value upon Power-On Reset
SCLK
TCLK
SMR, D0
2
÷
OSC
16
÷


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