SDA5252 SIEMENS [Siemens Semiconductor Group], SDA5252 Datasheet - Page 18

• Manufacturer Part Number: SDA5252
• Description: TVTEXT 8-Bit Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Semiconductor Group
6.1.4
The following sections gives an overview about special function registers ACQMS_1,
ACQMS_2 and ACQSIR, with which slicer and acquisition can be controlled:
Acquisition Mode and Status Register ACQMS_1
Acquisition Mode and Status
Register
Default after reset: 00
TTXE
ENERT
CRIC.1 ... CRIC.0
VPSE
Comments
Acquisition Mode and Status Register ACQMS_2
Acquisition Mode and Status
Register
Default after reset: 00
Comments
TEST.7
(MSB)
(MSB)
0
Acquisition Control Registers
TEST.6
0
H
H
TEST.5
VPSE
1:
1:
00: The CRI is not included in FRC
01: last 2 bits of CRI are included in the FRC
10: last 4 bits of CRI are included in the FRC
11: last 8 bits of CRI are included in the FRC
1:
Bits 4, 6 and 7 are not defined, must be set to 0
all bits have to be set to 0. Setting any of these bits will switch
on special slicer test modes for production test
enable TTX in lines 6 - 22
allow 1 bit error for TTX
enable VPS in line 16. Text-reception in this line is
automatically disabled
TEST.4
0
ACQMS_1
ACQMS_2
18
TEST.3
CRIC.1
TEST.2
CRIC.0
ENERT
TEST.1
SFR-Address C1
SFR-Address C2
SDA 525x
1998-04-08
TEST.0
(LSB)
TTXE
(LSB)
H
H