MC68HC05J3 View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

View to exact match

MC68HC05J3

High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit

Motorola => Freescale 

Internal

processor clock

Internal

reset

Internal

timer clocks

 T00





T01

 T10

 T11

16-bit

counter

$FFFC

$FFFD

$FFFE

$FFFF

External reset

or end of POR

Note:

The counter and timer control registers are the only ones affected by power-on or external reset.

Figure 6-2 Timer state timing diagram for reset

6

Internal

processor clock

Internal

timer clocks

 T00





T01

 T10

 T11

16-bit

counter

$F123

$F124

$F125

$F126

Input

edge

Internal

capture latch

Input capture

register

$????

$F124

Input capture

flag

Note:

If the input edge occurs in the shaded area from one timer state T10 to the next timer state T10, then

the input capture flag will be set during the next T11 state.

Figure 6-3 Timer state timing diagram for input capture

MC68HC05J3

16-BIT PROGRAMMABLE TIMER

TPG

MOTOROLA

6-9

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