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HD6473228P10V Datasheet, PDF (96/301 Pages) Renesas Technology Corp – Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp
Mode 3
Mode 3
External
address
write
Mode 3
P3n
Mode 1 or 2
Reset
R
Q
D
P3nDDR
C
WP3D
Reset
R
Q
D
P3nDR
C
WP3
Reset
R
D
Q
Input latch
C
WP3D: Write Port 3 DDR
WP3: Write Port 3
RP3: Read Port 3
n = 0 to 7
RP3
External
address read
Control logic
IS input
Figure 5-3. Port 3 Schematic Diagram
5.5 Port 4
Port 4 is an 8-bit input/output port that also provides input and output pins for the 8-bit timers and
output pins for the system clock and E clock. The pin functions depend on the MFCiguUrem5o-3de and
output select bits in the timer control/status registers. Table 5-8 lists the pin functions.
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