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ST92195D Datasheet(PDF) 158 Page - STMicroelectronics

Part # ST92195D
Description  48-96 Kbyte ROM HCMOS MCU WITH ON-SCREEN DISPLAY AND TELETEXT DATA SLICER
PDF  249 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST92195D Datasheet(HTML) 158 Page - STMicroelectronics

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ST92195C/D - TELETEXT SLICER AND ACQUISITION UNIT
TELETEXT SLICER AND ACQUISITION UNIT (Cont’d)
7.7.7 Register Description
ACQUISITION PAGE OPEN REGISTER
(ACQPOR)
R248 - Read/Write
Register Page: 34
Reset value: 0000 0000 (00h)
Bits 7:0 = POR[7:0] The data packets associated
with each bit will be stored or not depending also
on the value if the corresponding MLR bit in the
ACQMLR register. Refer to the ACQMLR register
description.
ACQUISITION MAGAZINE LOCKED REGISTER
(ACQMLR)
R249 - Read/Write
Register Page: 34
Reset value: 0000 0000 (00h)
Bits 7:0 = MLR[7:0] The associated Data Packets
of the corresponding magazine will be stored as
described in the following table:
ACQUISITION NEW HEADER RECEIVED REG-
ISTER (ACQNHRR)
R250 - Read/Write
Register Page: 34
Reset value: 0000 0000 (00h)
Each bit in the ACQNHR register corresponds to a
magazine. It is set by hardware if a new header of
the corresponding magazine is received and must
be reset by software after each VBI.
Bits 7:0 = NHR[7:0]
New Header Received.
0: No new header received.
1: A new header was received and the storage of
the 41 bytes flow depends on the ACQPOR /
ACQMLR values shown in the following table.
70
POR7
POR6
POR5
POR4
POR3
POR2
POR1
POR0
70
MLR7
MLR6
MLR5
MLR4
MLR3
MLR2
MLR1
MLR0
MLRi PORi
Meaning
10
Magazine locked. No storage even if a
header is received
0
0
Page closed, wait for new header
0
1
Page opened. Storage
70
NHR7
NHR6
NHR5
NHR4
NHR3
NHR2
NHR1
NHR0
MLRi PORi NHRi
Results
10
-
Magazine locked; no storage
done
00
0
No storage for that magazine dur-
ing the VBI
00
1
Storage started on new header
received
01
0
Current page not yet closed; data
received or not
01
1
Current page closed; new page
started



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