Akai MPC3000 - Page 52

І-0055 (SMPTE timecode reader)
PIN No. SYMBOL FUNCTION |
|- | — - й -
1, 15 GROUND
— —
14, 28 Усс —5VDC
ше — -- --1
2 ОКЕ Internal Register Overflow
3 URE | Internal Register Underflow
шин — ——
4 SYSCLK Input for system clock-To 10 MHz
шин 4
5 ; INTR Active when a new Time Code Word has been stored in the internal buffer.
6 FWD/REV Tape Direction Indicator
| HIGH=FWD
|
LOW
=REV
;
мин --- - - ———À
| 7 | АО | Output Word Select-Selects which word is presented to Data Output 00-07
8 Al AO Al Output Word Selected
——— ;
| 0 0 | Егате |
i 1 0 Seconds |
0 1 Minutes
1 1 Hours
Output Enable-Data is available at Data Outputs 00-07 when RD is active.
; Data Output 0
Data Output 2
шинжин
| Data Output 4
— 1
Data Output 6 |
| Data Output 7
р _|
Раја Ошрш 5
|
—
1
i8
1р3
|
Data
Output
3
|
|
|
раан
i
19
D1
|
Data
Output
|
———
—
SYNC
Outputs
a
pulse
two
clock
periods
wide
when
the
Time
Code
SYNC
word
has
been
read
i
! completely.
|
і
~
Н
—
D.
-
-
i
DATA
| Serial
NRZ
Data
Output,
Format:NRZ
|
Level:
TTL
|
—
n
—
|
CLOCK
Time
Code
Clock
[clock
rate
derived
from
Time
Code]
—
——T
і
| ТЕЗТЕМ
Test
Enable-Must
be
HIGH
for
normal
operation
Ш
|
TC/UB
Time
code
or
User
Виз
select
Input
HIGH = Time Code
| LOW = User Виз
TIMCO Longitudinal Time Code Input at TTL levels
26 TEST B Test Input B-Must be HIGH for normal operation i
27 TEST А Test Input A-Must be -HIGH for normal operation