ST2100 Datasheet, PDF (20/39 Pages) STMicroelectronics – Broadband powerline communication SoC optimized

Pin descriptions
ST2100
Signal name
PCIE_P1_RXN
PCIE_P1_RXP
PCIE_XTAL2
PCIE_XTAL1
PCIE_P1_TXP
PCIE_P1_TXN
PCIE_REFRES
Table 11. PCIe / SATA pin descriptions
Ball
Direction
Function
L22
In
High frequency negative RX input signal
L23
In
High frequency positive RX input signal
N20
Out
Feedback of the crystal oscillator
P20
In
Input of the crystal oscillator
P22
Out
High frequency positive TX output signal
P23
Out
High frequency negative TX output signal
R20
Input
Reference resistor for the impedance
compensation
Pin type
Analog
Analog
Oscillator
Oscillator
Analog
Analog
Analog
Signal name
DAC_IDAC
DAC_REXT
DAC_IDACB
PGA_IN_N
PGA_IN_P
Table 12. Internal AFE pin descriptions
Ball
Direction
Function
U23
Out
HF DAC differential positive current “Out”
V22
V23
AC21
AC22
Out
External precision resistor
Out
HF DAC differential negative current “Out”
In
PGA negative input
In
PGA positive input
Pin type
Analog
Analog
Analog
Analog
Analog
Signal name
AC_CROSSING
ZC_IN
Table 13. AC crossing pin descriptions
Ball
Direction
Function
Pin type
C4
AA20
In
Mains digital input, zero TTL input buffer, 3.3 V tolerant, with
crossing
configurable PU/PD and HYST
In
Mains analog zero
crossing
Analog
Signal name
EXTPLI_TXON
Table 14. External PLI pin description
Ball
Direction
Function
Pin type
C22
Out
Line driver enable
TTL output buffer, 3.3 V capable,
4 mA
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