MC68HC708AS48

Manufacturer Part NumberMC68HC708AS48
DescriptionAdvance Information
ManufacturerFREESCALE [Freescale Semiconductor, Inc]
MC68HC708AS48 datasheet
 


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Input/Output (I/O) Ports
When bit DDRGx is a logic 1, reading address $000A reads the PTGx
data latch. When bit DDRGx is a logic 0, reading address $000A reads
the voltage level on the pin. The data latch can always be written,
regardless of the state of its data direction bit.
the operation of the port G pins.
DDRG
Bit
0
1
X = don’t care
Hi-Z = high impedance
1. Writing affects data register, but does not affect input.
Advance Information
210
Table 15-7. Port G Pin Functions
Accesses
PTG
I/O Pin
to DDRG
Bit
Mode
Read/Write
X
Input, Hi-Z
DDRG[2:0]
X
Output
DDRG[2:0]
Input/Output (I/O) Ports
Table 15-7
summarizes
Accesses to PTG
Read
Write
(1)
Pin
PTG[2:0]
PTG[2:0]
PTG[2:0]
MC68HC708AS48
Rev. 4.0
MOTOROLA