HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 480

• Manufacturer Part Number: HD6435348R
• Description: Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

Pins A
Low state of the RES pin is sampled. Pins A
The clock output pins P1
RES pin is sampled. Both pins are initialized to the output state.
7
to A
*
P1 / ø*
RES
Internal reset signal
A to A
P5 /A
R/W
AS, RD and DS (read)
WR and DS (write)
D to D (write)
I/O ports
7
7
The dotted line indicates that P1 /ø is an input port if the corresponding DDR bit is 0,
but a clock output pin if the DDR bit is 1.
0
7
0
of the address bus and the R/W signal are initialized 1.5 ø clock periods after the
15
0
0
to P5 /A
0
Figure E-2 Reset during Memory Access (Mode 2)
8
0
/ø and P1
1
/E are initialized 0.5 ø clock periods after the Low state of the
0
T
1
External memory access
7
to A
470
T
2
0
are made Low. The R/W signal is made High.
T
3
H’00
High impedance
High impedance
High impedance