TDA8798HL Philips Semiconductors, TDA8798HL Datasheet - Page 8

• Manufacturer Part Number: TDA8798HL
• Description: Dual 8-bit/ 100 Msps A/D converter with DPGA
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Table 1 Serial interface truth table; see notes 1 and 2
Notes
1. ‘
2. In count-up/count-down mode, the gain control register cannot be incremented above the maximum gain value of 63,
1999 Sep 16
Dual 8-bit, 100 Msps A/D converter with
DPGA
or decremented below the minimum gain value of 0.
SMODE
Di’: shifting LSB and loading new LSB with value Di.
0
0
0
0
0
0
0
0
1
1
1
1
1
SCLK
X,
X,
X,
X,
X,
SEN1
X,
X,
X,
1
1
0
0
1
1
0
0
8
SEN2
X,
X,
X,
1
1
1
1
0
0
0
0
SDATA
Di
Di
U
U
U
U
U
1
0
1
0
1
0
Objective specification
WAIT
SISR: SISR
SISR: SISR
GCR1: GCR1 + 1
SISR: SISR
GCR1: GCR1
SISR: SISR
GCR2: GCR2 + 1
SISR: SISR
GCR2: GCR2
SISR: SISR
GCR1: GCR1 + 1
GCR2: GCR2 + 1
SISR: SISR
GCR1: GCR1
GCR2: GCR2
WAIT
SISR: SISR
GCR1: SISR
GCR2: SISR
GCR1: SISR
GCR2: SISR
TDA8798
ACTION
Di
1
0
1
0
1
0
Di
1
1
1
1