mc68hc708mp16 Freescale Semiconductor, Inc, mc68hc708mp16 Datasheet - Page 327

• Manufacturer Part Number: mc68hc708mp16
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

MC68HC708MP16
Freescale Semiconductor
—
Rev. 3.1
Reading address $0003 reads the voltage level on the pin.
summarizes the operation of the port D pins.
Figure 15-12
READ PTD ($0003)
1. X = don’t care
2. Hi-Z = high impedance
3. Writing affects data register, but does not affect input.
PTD Bit
X
(1)
Input/Output (I/O) Ports
shows the port D input logic.
Figure 15-12. Port D Input Circuit
Table 15-4. Port D Pin Functions
Input, Hi-Z
Pin Mode
(2)
Read
Pin
Accesses to PTD
Input/Output (I/O) Ports
PTD[6:0]
Write
Technical Data
Table 15-1
(3)
PTDx
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