MC68HC05B4 Datasheet, PDF(179/298 Page) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit

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MC68HC05B4 Datasheet, PDF (179/298 Pages) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit

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C.5.5 Bootstrap loader timing diagrams

Address

Data

tCOOE

tCOOE

tCOOE

tCDDE

tADE

tDHE

tADE

tDHE

tADE

tDHE

tADE

tDHE

tADE max (address to data delay)

tDHA min (data hold time)

tCOOE (load cycle time)

tCDDE (programming cycle time)

5 machine cycles

14 machine cycles

117 machine cycles < tCOOE < 150 machine cycles

tCOOE + tPROG (5ms nominal)

1 machine cycle = 1/(2f0(Xtal))

Figure C-9 EPROM parallel bootstrap loader timing diagram

MC68HC05B6

Rev. 4

MC68HC705B5

14

TPG

MOTOROLA

C-17

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