
SJA1105 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet Rev. 1 — 7 November 2016 6 of 34
NXP Semiconductors SJA1105
5-port automotive Ethernet switch
5.2 Pin description
[1] xMII I/O pins will be floating until the configuration has been loaded.
[2] I: digital input; O: digital output; P: power supply.
[1] P: power supply; G: ground.
Table 2. Pin description - xMII interface[1]
Symbol Pin Type[2] Description
MII interface:
0 1 2 3 4
VDDIO_
MIIx D4
E4
G4
D5
D7
D8
D10
D11
E11
G11
H11
K11
L8
L10
L11
P 3.3 V/2.5 V I/O supply voltage
TX_CLK/
REF_CLK/
TXC
D1 A7 C14 K14 N9 I/O
I/O
O
TX_CLK: MII interface transmit clock (also configurable as output)
REF_CLK: RMII interface reference clock (also configurable as input)
TXC: RGMII interface transmit clock
TX_EN/
TX_CTL D2 B7 C13 K13 P9 O TX_EN: MII/RMII interface transmit enable input
TX_CTL: RGMII interface transmi t control ou tput
TX_ER A3 A10 F14 N14 P6 O MII/RMII interface transmit coding error outpu t
TXD0 A2 B9 E13 M13 P7 O MII/RMII/RGMII interface transmit data output, bit 0
TXD1 B1 A9 E14 M14 N7 O MII/RMII/RGMII interface transmit data output, bit 1
TXD2 C2 B8 D13 L13 P8 O MII/RGMII interface transmit data output, bit 2
TXD3 C1 A8 D14 L14 N8 O MII/RGMII interface transmit data output, bit 3
RX_CLK/
RXC E2 B6 B14 J13 P10 I/O
IRX_CLK: MII interface receive clock (also configurable as output)
RXC: RGMII interface receive clock
RX_ER H2 B3 B10 F13 P13 I MII/RMII interface receive error input
RX_DV/
CRS_DV/
RX_CTL
G1 A4 A11 G14 N12 I RX_DV: MII interface receive data valid input
CRS_DV: RMII interface carrier sense/data valid input
RX_CTL: RGMII interface receive control input
RXD0 E1 A6 A13 J14 N10 I MII/RMII/RGMII interface receive data input, bit 0
RXD1 F2 B5 B12 H13 P11 I MII/RMII/RGMII interface receive data input, bit 1
RXD2 F1 A5 A12 H14 N11 I MII/RGMII interface receive data input, bit 2
RXD3 G2 B4 B11 G13 P12 I MII/RGMII interface receive data input, bit 3
Tabl e 3. Pin descriptio n - core supply and ground
Symbol Pin Type[1] Description
VDD_CORE D6, D9, F4, F11, J4, J11, L6, L9 P 1.2 V core supply voltage
VSS A1, A14, B13, E5, E6, E7, E8, E9, E10, F5, F6, F7, F8, F9, F10,
G5, G6, G7, G8, G9, G10, H5, H6, H7, H8, H9, H10, J5, J6, J7,
J8, J9, J10, K4, K5, K6, K7, K8, K9, K10, L7, N2, N13, P1, P14
G supply ground