TMC8462 Datasheet • Document Revision V1.4 • 2018-May -09
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Name
Pin
Type (I,O,PU,PD) Function
MFC High Voltage IO Supplies
VIO1
B5
B7
B9
B6
B8
B10
I
I
I
I
I
I
MFCHVIO block 1 supply voltage
VIO2
MFCHVIO block 2 supply voltage
VIO3
MFCHVIO block 3 supply voltage
GNDIO1
GNDIO2
GNDIO3
MFCHVIO block 1 ground, connect to GND
MFCHVIO block 2 ground, connect to GND
MFCHVIO block 3 ground, connect to GND
Device Supply and Ground
VS
B11
I
I
Supply voltage, use a 100nF filter capacitor
VCCIO
E10, F10,
I/O supply voltage, use a 100nF filter capacitor
per pin
G10, F11
F6, G6,
VCC_CORE
I
Core supply voltage, connect to VDD1V8_OUT,
use a 100nF filter capacitor per pin
F7, G7
K6
PLLCLK_VCCIO
TSTCLK_SELECT
GND
I
I
I
PLL supply voltage, connect to VCCIO through
a filter (R/L/C)
H6
Test input, always connect to VCCIO for nor-
mal operation
C1, F1,
J1, A3,
B4, F5,
G5, E8,
F8, G8
J6
Supply Ground
PLLCLK_GND
I
PLL supply ground, connect to GND
Voltage Regulator IOs
VDD1V8_OUT
G11
E11
O
O
Output of internal 1.8V regulator, use a 100nF
filter capacitor
VDD5_OUT
Output of internal 5V regulator, use a 100nF fil-
ter capacitor if VS≥5V
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