UPD61052 NEC, UPD61052 Datasheet - Page 10

• Manufacturer Part Number: UPD61052
• Description: MPEG2 Audio / Video Encoder
• Manufacturer: NEC

1.4
pull up resistance. Firmware controls input/output of those pins.
1.5
data input is possible to select 8 bits parallel data or serial data mode. When serial data mode, data input to IS0.
the turning on.
10
Remark
After hardware reset, it becomes input. OALRCK, OABCK and OABD connect with 3.3 V V
OALRCK
OABCK
OABD
AMCLK
Stream input corresponds to MPEG TS/PS stream. When slave mode (MPEG2-TS input with using valid signal),
Active polarity of ISREQ is selected by the port setup register.
Active polarity of ISCLK/ISSTB, ISSYNC ISERR and ISVLD are selected by firmware. These are unsettled after
ISREQ
ISCLK/ISSTB
ISCLK/ISSTB
ISSYNC
ISVLD
IS1/ISERR
IS1/ISERR
IS7 to IS2, IS0
Audio Input/output Interface
Stream Input Interface
Name
Name
In this table, means of reset are hardware reset by the RESET pin and ALL RESET of the reset register.
IO
IO
IO
IO
IO
O
I
I
I
I
I
I
I
I
4
5
2
55
53
53
52
54
43
43
51,49, 47
to 44, 42
6
Number
Number
Pin
Pin
Left/Right clock
Bit clock
Bit data
Audio clock
Stream data request
Only parallel interface, this pin is active.
After reset, default is active low.
Stream data strobe
After reset, default is ISCLK.
Stream data clock
After reset, default is active high edge.
Stream data synchronization
After reset, default is active high.
Stream data valid
After reset, default is active low.
Stream error
After reset, default is active high.
Stream data input
Stream data input
Data Sheet S15082EJ4V0DS
Function
Function
µ
DD
PD61051, 61052
through the 10 kΩ
↑
↑
Polarity
Polarity
Active
Active