GDC21D301A Datasheet, PDF (28/35 Pages) Hynix Semiconductor – Transport Decoder

PSI_n’ s data Buffer Write Pointer
register (0x61e + 4*N)
Same as Read pointer register. This value should
be located between start and end pointer. It is
recommended that this initial value is the same of
start pointer value. (See Round Buffer register
0x005)
Channel buffer pointer (0x700 ~ 0x706)
Same as PSI_n’s data buffer pointer register.
This buffer is used to store FEC input data. the
GDC21D301A will read the data from this buffer
to decode TS packets. The read pointer is used to
read data.
Audio compressed data buffer pointer
(0x708 ~ 0x70e)
Same as PSI_n’s data buffer pointer register.
This buffer is used to store the data which is sent to
external audio decoder. the GDC21D301A will
read the data from this buffer to send them to
external audio decoder. The read pointer is used to
read data.
Audio PES_extension data buffer
pointer(0x710 ~ 0x716)
Same as PSI_n’s data buffer pointer register.
This buffer is used to store the PES_extension data
of audio packets. Before storing the PES_extension
data, the GDC21D301A writes the size of the
PES_extension data + stuffing_bytes. The read
pointer is not used by the GDC21D301A.
Video PES_extension data buffer pointer
(0x718 ~ 0x71e)
Same as PSI_n’s data buffer pointer register.
This buffer is used to store the PES_extension data
of video packets. Before storing the PES_extension
data, the GDC21D301A writes the size of the
PES_extension data + stuffing_bytes. The read
pointer is not used by the GDC21D301A.
GDC21D301A
Auxiliary compressed data buffer pointer
(0x720 ~ 0x726)
Same as PSI_n’s data buffer pointer register.
This buffer is used to store the data which is sent to
external auxiliary decoder. the GDC21D301A will
read the data from this buffer to send them to
external auxiliary decoder. The read pointer is used
to read data.
Auxiliary PES_extension data buffer
pointer (0x728 ~ 0x72e)
Same as PSI_n’s data buffer pointer register.
This buffer is used to store the PES_extension data
of auxiliary packets. Before storing the
PES_extension data, the GDC21D301A writes the
size of the PES_extension data + stuffing_bytes.
The read pointer is not used by the GDC21D301A.
Transport_private_data buffer pointer
(0x730 ~ 0x736)
Same as PSI_n’s data buffer pointer register.
This buffer is used to store transport_private_data
field. The read pointer is not used by the
GDC21D301A.
Adf_extension_data buffer pointer
(0x738 ~ 0x73e)
Same as PSI_n’s data buffer pointer register.
This buffer is used to store Adf_extension_data
field. The read pointer is not used by the
GDC21D301A.
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