Z89139 Zilog., Z89139 Datasheet - Page 58

• Manufacturer Part Number: Z89139
• Description: Voice Processing Controllers
• Manufacturer: Zilog.

Z89138/Z89139
Voice Processing Controllers
58
SMR (FH) 0BH
D7 D6 D5 D4 D3 D2 D1 D0
*
† Reset After Stop-Mode Recovery
Default Setting After Reset
Figure 65. Stop-Mode Recovery Register (SMR)
P R E L I M I N A R Y
(F) 0BH [Read/Write]
Reserved
W 000 POR only*
R
W 0 SCLK/TCLK not divided by 16†
R Always "1"
W Stop Delay
0 OFF
1 ON*
R Always "1"
W 0 Low Stop Recovery Level*
R Always "1"
W No effect
R 0 POR*
1 Stop-Mode Recovery
1 SCLK/TCLK divided by 16
Always "1"
1 High Stop Recovery Level
001 No effect
010 P31
011 P32
100 P33
101 Half second timeout from
110 P2 NOR 0-3
111 P2 NOR 0-7
33 kHz ext. osc.
DS97TAD0201
Zilog