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| HD6413008VF25 Datasheet, PDF (107/688 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents | |||
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3. MCU Operating Modes
3.5 Pin Functions in Each Operating Mode
The pin functions of ports 1 to 5 and port A vary depending on the operating mode. Table 3.3
indicates their functions in each operating mode.
Table 3.3 Pin Functions in Each Mode
Port
Mode 1
Mode 2
Mode 3
Mode 4
Port 1
A7 to A0
A7 to A0
A7 to A0
A7 to A0
Port 2
A15 to A8
A15 to A8
A15 to A8
A15 to A8
Port 3
D15 to D8
D15 to D8
D15 to D8
D15 to D8
Port 4
P47 to P40*1
D7 to D0*1
P47 to P40*1
D7 to D0*1
Port 5
A19 to A16
A19 to A16
A19 to A16
A19 to A16
Port A
PA7 to PA4
PA7 to PA4
PA6 to PA4, A20*2
PA6 to PA4, A20*2
Notes: 1. Initial state. The bus mode can be switched by settings in ABWCR. These pins function
as P4 to P4 in 8-bit bus mode, and as D to D in 16-bit bus mode.
7
0
7
0
2. Initial state. A20 is always an address output pin. PA6 to PA4 are switched over to A23 to
A21 output by writing 0 in bits 7 to 5 of BRCR.
Rev.4.00 Aug. 20, 2007 Page 61 of 638
REJ09B0395-0400
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