STV0681 pin description
STV0681
Table 15: STV0681 pin listing
Type Description
Pin no.
Signal
drive
Power and Ground
12, 38,
70, 84
DVSS
Power pin
Power pin
Digital Ground
Digital Power
11, 39,
69, 85
DVDD
76
81
53
51
52
AUD_VSS
AUD_VDD
PLLGVSS
PLLAVDD
PLLAVSS
Power pin
Power pin
Power pin
Power pin
Power pin
Audio DAC Ground. Requires clean supply.
Audio DAC Power. Requires clean supply.
PLL Guard Ground
PLL Analog Power
PLL Analog Ground
Non-user pins
45
46
47
79
80
TEST0
Input
Input
Input
I(A)
Non-user pin - connect to 3V3
Non-user pin - connect to 3V3
Non-user pin - connect to 3V3
DAC bias amplifier reference input.
8-bit DAC current source output.
TEST1
TEST2
DACRES
DACOUT
O (A)
0-10mA
Key
SL
OD
S
slew rate limited output
open drain output
Schmidt input
A
analogue input/output
T
5V tolerant pad (these pads do not have diode protection)
Note: 1 Where the I/O pad type is not explicitly defined, assume CMOS.
40/44
ADCS 7283313C
STMICROELECTRONICS [ ST ]
