RM48L950
RM48L750
RM48L550
SPNS174–SEPTEMBER 2011
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2.4.2.7 Inter-Integrated Circuit Interface Module (I2C)
Table 2-30. ZWT Inter-Integrated Circuit Interface Module (I2C)
Terminal
Signal
Type
Default
Pull State
Pull Type
Description
Signal Name
337
ZWT
MIBSPI3NCS[2]/I2C_SDA/N2HET1[27]
MIBSPI3NCS[3]/I2C_SCL/N2HET1[29]
B2
C3
I/O
Pull Up
Programmable, I2C serial data, or GIO
20uA
I2C serial clock, or GIO
2.4.2.8 Standard Serial Peripheral Interface (SPI)
Table 2-31. ZWT Standard Serial Peripheral Interface (SPI)
Terminal
Signal
Type
Default
Pull State
Pull Type
Description
Signal Name
337
ZWT
SPI2CLK
E2
N3
D3
D3
D1
I/O
Pull Up
Programmable, SPI2 clock, or GIO
20uA
SPI2NCS[0]
SPI2 chip select, or GIO
SPI2NENA/SPI2NCS[1]
SPI2NENA/SPI2NCS[1]
SPI2SIMO
SPI2 chip select, or GIO
SPI2 enable, or GIO
SPI2 slave-input
master-output, or GIO
SPI2SOMI
D2
SPI2 slave-output
master-input, or GIO
N2HET1[0]/SPI4CLK
K18
U1
I/O
Pull Down Programmable, SPI4 clock, or GIO
20uA
N2HET1[03]/SPI4NCS[0]/USB2.SPEED/
SPI4 chip select, or GIO
USB_FUNC.PUENON/N2HET2[10]
N2HET1[01]/SPI4NENA/USB2.TXEN/
USB_FUNC.PUENO/N2HET2[8]
V2
W5
V6
SPI4 enable, or GIO
N2HET1[02]/SPI4SIMO
SPI4 slave-input
master-output, or GIO
N2HET1[05]/SPI4SOMI/N2HET2[12]
SPI4 slave-output
master-input, or GIO
28
Device Package and Terminal Functions
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