MC68HC908LJ24 Datasheet, PDF (397/464 Pages) Motorola, Inc – Microcontrollers

Freescale Semiconductor, Inc.
Input/Output (I/O) Ports
Port F
18.8 Port F
Port F is an 8-bit general-purpose I/O port.
Port pins PTF0–PTF7 can be configured for direct LED drive.
NOTE: PTF0–PTF7 are not available in the 64-pin packages.
18.8.1 Port F Data Register (PTF)
The port F data register contains a data latch for each of the eight port F
pins.
Address: $000A
Bit 7
6
5
4
3
2
1
Bit 0
Read:
PTF7
Write:
PTF6
PTF5
PTF4
PTF3
PTF2
PTF1
PTF0
Reset:
Unaffected by Reset
Additional Function: LED drive LED drive LED drive LED drive LED drive LED drive LED drive LED drive
Figure 18-20. Port F Data Register (PTF)
PTF[7:0] — Port F Data Bits
These read/write bits are software programmable. Data direction of
each port F pin is under the control of the corresponding bit in data
direction register F. Reset has no effect on port F data.
LED drive — Direct LED Drive Pins
PTF0–PTF7 pins can be configured for direct LED drive. See 18.8.3
Port F LED Control Register (LEDF).
MC68HC908LJ24/LK24 — Rev. 2
MOTOROLA
Input/Output (I/O) Ports
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Go to: www.freescale.com
Data Sheet
397