Sync - Townshend Computer Tools DAT-Link User Manual

132
Pin Number NeXT Pin Name DSP32C Connection(s)
1 SCK
2 SRD
3 STD
4 SCLK
5 RXD
6 TXD
7 +12V
8 -12V
9-11,15 Ground
12 SC2
13 SC1
14 SC0
naset -s GP-Ext
Other con gurations are described in the documentation for
and Appendix G.
C.2

Sync

The 8-pin mini-DIN connector labelled Sync on the rear of the
1.6 or later, provides access to the
bit clocks. The pinout of the connector is shown in Table C.2 with the pin numbers,
The and pins are general purpose parallel input and output pins for
DSPIN DSPOUT
DAT-Link
the +'s DSP32C processor. They are not used by any of the existing
programs, but are available for use by user DSP programs.
The signal is both an indication that the
READY
ferring data and also an external pause control. Whenever this signal is pulled low,
either internally or externally, the
gins or continues only when this signal is both internally released to a high state and
external equipment is not pulling it low. It is this signal that is used to synchronize
the start-time of multiple
The signals, , , and
MCK SCK
DAT-Link
ting of the +'s clock source and clock generation parameters as described
Table C.1: DSP-Port Pinout
ICK
DI
DO
PC[2]
MCK
IBF
PC[1]
OSE
PC[0]
N/C
N/C
Ground
ILD
OLD
OCK
DAT-Link
+'s synchronization, sampling-rate, and
DAT-Link
DAT-Link
+ is paused. Playback or recording be-
DAT-Link
+'s.
are either inputs or outputs depending on the set-
FSYNC
Connectors
Direction
Bidirectional
DAT-Link
To +
DAT-Link
From +
DAT-Link
From +
DAT-Link
From +
DAT-Link
From +
DAT-Link
From +
DAT-Link
From +
DAT-Link
From +
Bidirectional
Bidirectional
Bidirectional
in Section 10.3
naset
DAT-Link
+, version
+ is ready to begin trans-