z89138 ZiLOG Semiconductor, z89138 Datasheet - Page 59
z89138
Manufacturer Part Number
z89138
Description
Voice Processing Controllers
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z89138.pdf
(66 pages)
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Zilog
Z8_SCLK
DSP_Reset
DSP_Run
Reserved
IntFeedback
DS97TAD0201
DSPCON (F) 0CH
Field
WDTMR (F) 0F
76------
--5-----
---4----
----32--
------1-
-------0
D7 D6 D5 D4 D3 D2 D1 D0
* Default setting after RESET
Table 20. DSP Control Register (F) 0CH [Read/Write]
Position
Figure 66. Watch-Dog Timer Mode Register
P R E L I M I N A R Y
(F) 0FH [Read/Write]
Attributes
R/W
R/W
W
W
W
R
R
R
WDT TAP
00
01*
10
11
WDT During HALT
0 OFF
1 ON*
WDT During STOP
0 OFF
1 ON*
XTAL1/INT RC Select for WDT
0 On-Board RC
1 XTAL
W No effect
R Always "1"
INT RC OSC
100 ms
15 ms
25 ms
5 ms
Value
00
01
1x
xx
0
1
0
1
1
0
1
0
EXTERNAL CLOCK
Voice Processing Controllers
4096 Tpc
1024 Tpc
512 Tpc
256 Tpc
OSC/8
OSC/4
OSC/2
Return “0”
No effect
Reset DSP
Halt_DSP
Run_DSP
Return “0”
No effect
FB_DSP_INT2
Set DSP_INT2
No effect
FB_Z8_IRQ3
Clear IRQ3
No effect
Label
Z89138/Z89139
59
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