935274109557 NXP Semiconductors, 935274109557 Datasheet - Page 50

• Manufacturer Part Number: 935274109557
• Manufacturer: NXP Semiconductors

Specifications of 935274109557

• Screening Level: Commercial
• Package Type: SQFP
• Pin Count: 208
• Lead Free Status / RoHS Status: Compliant

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Table 21 I
Note
1. If the video bit rate Rmax is intended to be changed during the encoding state, the maximum applied value for Rmax has to be set before start of
ADR
HEX
80
81
82
83
84
85
encoding. I.e. the Rmax value that was valid at start of encoding (coming from stop) is the maximum allowed value for this encoding process.
I, E, P,
S
I, E, P,
S
I, E, P,
S
I, E, P,
S
I, E, P,
S
I, E, P,
S
2
M
C-bus video encoder: bit rate control (dynamic settings)
Rvbr
Rmax
Qmin_VBR
Qmax_VBR
B-frame weighting
read bytes per GOP R
COMMAND NAME R/W
R/W 2 bytes
R/W 2 bytes
R/W 1 byte
R/W 1 byte
R/W 1 byte
4 bytes
SIZE/POSITION
1 to 112
1 to 112
32 to 128
PARAMETER/RANGE
DEFAULT
6000
9800
4
12
128, no
weighting
VBR target bit rate (kbit/s); this applies to
VBR mode only; Rvbr must be set to less
than Rmax.
CBR mode: Target bit rate (kbit/s);
VBR mode: Maximum bit rate (kbit/s);
note 1.
Minimum Q-scale for external constraints of
VBR
Maximum Q-scale for external constraints of
VBR.
B-frame weighting factor (internally divided
by 128; i.e. 128 = no effect)
This command reads the number of bytes
per GOP.
DESCRIPTION