HC05 Datasheet, PDF (202/232 Pages) Motorola, Inc – High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit

Address
HDSK out
(PC5)
Data
HDSK in
(PC6)
F29
Data read
Figure B-4 Timing diagram with handshake
Data read
Address
Data
t_COOE
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)
t_COOE (load cycle time)
t_CDDE (programming cycle time)
5 machine cycles
14 machine cycles
117 machine cycles < t_COOE < 150 machine cycles
t_COOE + t_PROG (5ms nominal for EPROM; 10ms for EEPROM1))
1 machine cycle = 1/(2f₀(Xtal))
Figure B-5 Parallel EPROM loader timing diagram
15
MOTOROLA
B-18
MC68HC705X32
MC68HC05X16
Rev. 1