Freescale Semiconductor MC68HC08KH12 Datasheet page 201

Freescale semiconductor microcontrollers data sheet
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PTE0
PTE1
PTE2
PTE3
MC68HC(7)08KH12
Rev. 1.1
Freescale Semiconductor
OUTPUT
BUFFER
OPTICAL
INTERFACE
OPTICAL
INTERFACE
OUTPUT
BUFFER
OUTPUT
BUFFER
OPTICAL
INTERFACE
OPTICAL
INTERFACE
OUTPUT
BUFFER
Figure 12-18. Port E Optical Coupling Interface
0
MUX
PORT LOGIC
1
SELECT
X-VREF
OIEX (BIT0 OF $1C)
SELECT
1
MUX
PORT LOGIC
0
0
MUX
PORT LOGIC
1
SELECT
Y-VREF
OIEY (BIT1 OF $1C)
SELECT
1
MUX
PORT LOGIC
0
PTE0
PTE1
PTE2
PTE3
Advance Information
201

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