Freescale Semiconductor MK22FN256VDC12, Reference Manual

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Table 10-20. LPTMR 0 Signal Descriptions
Chip signal name Module signal
name
Description I/O
LPTMR0_ALT[:1] LPTMR_ALT n Pulse Counter Input pin I
Table 10-21. RTC Signal Descriptions
Chip signal name Module signal
name
Description I/O
VBAT — Backup battery supply for RTC and VBAT register file I
RTC_CLKOUT RTC_CLKOUT 1 Hz square-wave output O
10.4.7 Communication Interfaces
Table 10-22. USB FS OTG Signal Descriptions
Chip signal name Module signal
name
Description I/O
USB0_DM usb_dm USB D- analog data signal on the USB bus. I/O
USB0_DP usb_dp USB D+ analog data signal on the USB bus. I/O
USB_CLKIN — Alternate USB clock input I
USB_SOF_OUT — USB start of frame signal. Can be used to make the USB start of
frame available for external synchronization. O
Table 10-23. USB VREG Signal Descriptions
Chip signal name Module signal
name
Description I/O
VOUT33 reg33_out Regulator output voltage O
VREGIN reg33_in Unregulated power supply I
Table 10-24. SPI 0 Signal Descriptions
Chip signal name Module signal
name
Description I/O
SPI0_PCS0 PCS0/SS Peripheral Chip Select 0 (O) I/O
SPI0_PCS[3:1] PCS[1:3] Peripheral Chip Selects 1–3 O
SPI0_PCS4 PCS4 Peripheral Chip Select 4 O
SPI0_PCS5 PCS5/ PCSS Peripheral Chip Select 5 /Peripheral Chip Select Strobe O
SPI0_SIN SIN Serial Data In I
SPI0_SOUT SOUT Serial Data Out O
SPI0_SCK SCK Serial Clock (O) I/O
Chapter 10 Signal Multiplexing and Signal Descriptions
K22F Sub-Family Reference Manual , Rev. 3, 7/2014
Freescale Semiconductor, Inc. 223