Z8913920FSC View Datasheet(PDF) - Zilog

Part Name

Description

Manufacturer

Z8913920FSC

VOICE PROCESSING CONTROLLERS

Zilog 

Zilog

Z89138/Z89139

Voice Processing Controllers

Table 20. DSP Control Register (F) 0CH [Read/Write]

Field

DSPCON (F) 0CH

Position

Attributes

Value

Label

1

Z8_SCLK

76------

R/W

00

OSC/8

01

OSC/4

1x

OSC/2

DSP_Reset

--5-----

R

Return “0”

W

0

No effect

1

Reset DSP

DSP_Run

---4----

R/W

0

Halt_DSP

1

Run_DSP

Reserved

----32--

xx

Return “0”

No effect

IntFeedback

------1-

R

FB_DSP_INT2

W

1

Set DSP_INT2

0

No effect

-------0

R

FB_Z8_IRQ3

W

1

Clear IRQ3

0

No effect

WDTMR (F) 0F

D7 D6 D5 D4 D3 D2 D1 D0

* Default setting after RESET

WDT TAP

00

01*

10

11

INT RC OSC

5 ms

15 ms

25 ms

100 ms

EXTERNAL CLOCK

256 Tpc

512 Tpc

1024 Tpc

4096 Tpc

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"

Figure 66. Watch-Dog Timer Mode Register

(F) 0FH [Read/Write]

DS97TAD0201

PRELIMINARY

59

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