Microcontrollers Data Sheet

ManualsBrandsFreescale Semiconductor ManualsComputer HardwareMC68HC08KH12

MC68HC(7)08KH12 — Rev. 1.1 Advance Information

Freescale Semiconductor

201

Figure 12-18. Port E Optical Coupling Interface

PTE0

PORT LOGIC

PTE0

OPTICAL

INTERFACE

OUTPUT

BUFFER

MUX

SELECT

PTE1

PORT LOGIC

PTE1

OPTICAL

INTERFACE

OUTPUT

BUFFER

X-VREF

OIEX (BIT0 OF $1C)

0

1

MUX

SELECT

0

1

INTERNAL DATA BUS

PTE2

PORT LOGIC

PTE2

OPTICAL

INTERFACE

OUTPUT

BUFFER

MUX

SELECT

PTE3

PORT LOGIC

PTE3

OPTICAL

INTERFACE

OUTPUT

BUFFER

Y-VREF

OIEY (BIT1 OF $1C)

0

1

MUX

SELECT

0

1