ST STEVAL-IME015V1, User Manual, Page: 6 / 25

3 Digital interface
The STEVAL-IME015V1 provides full access to all the functional digital I/Os of the STHV64SW device. The
STHV64SW digital interface consists of a serial-input parallel-output 64-bit shift register.
Table 2. STHV64SW digital interface signals
Signal Name Function Maximum operating values
THERM_UVLO Thermal protection and undervoltage lock out output -0.3 to VDDP + 0.3
CLK Clock signal -0.3 to VDDP + 0.3
DIS Disable signal -0.3 to VDDP + 0.3
CLR Clear signal -0.3 to VDDP + 0.3
LE_N Latch enable -0.3 to VDDP + 0.3
DIN Serial interface data in -0.3 to VDDP + 0.3
DOUT Serial Interface data out 0.3 to VDDP + 0.3
Table 3. STHV64SW digital interface truth table
D0 D1 … D63 D64 LE_n CLR DIS SW0 SW1 .. SW63 SW64
L -
…
- - L L L OFF -
…
- -
H - - - L L L ON - - -
- L - - L L L - OFF - -
- H - - L L L - ON - -
- - - - L L L - - - -
… … …
- - - - L L L - - - -
- - L - L L L - - OFF -
- - H - L L L - - ON -
- - - L L L L - - - OFF
- - - H L L L - - - ON
X X X X X H L L HOLD PREVIOUS STATE
X X X X X X H L ALL SWITCHES OFF
X X X X X X X H ALL SWITCHES OFF / no chip current consumption
UM2482
Digital interface
UM2482 - Rev 1
page 6/25