MC68HC05B4 Datasheet, PDF (263/298 Pages) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit

Address
HDSK out
(PC5)
Data
HDSK in
(PC6)
F29
Preliminary ^{Data read}
Data read
Figure H-5 Timing diagram with handshake
Address
Data
Preliminary ^tCOOE
t_COOE
t_COOE
t_CDDE
t_ADE
t_DHE
t_ADE
t_DHE
t_ADE
t_DHE
t_ADE
t_DHE
t_ADE max (address to data delay)
t_DHA min (data hold time)
5 machine cycles
14 machine cycles
t_COOE (load cycle time)
117 machine cycles < t_COOE < 150 machine cycles
t_CDDE (programming cycle time) t_COOE + t_PROG (5ms nominal for EPROM; 10ms for EEPROM1))
Preliminary ^{1 machine cycle = 1/(2f0(Xtal))}
Figure H-6 Parallel EPROM loader timing diagram
14
MC68HC05B6
Rev. 4
MC68HC705B32
TPG
MOTOROLA
H-17