LH7A404 データシートの表示（PDF） - NXP Semiconductors.
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LH7A404 Datasheet PDF : 75 Pages
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32-Bit System-on-Chip
NXP Semiconductors
LH7A404
Table 6. Internal Boot Modes
BOOT DEVICE
External device
8-bit interface, 3-byte address NAND Flash
8-bit interface, 4-byte address NAND Flash
8-bit interface, 5-byte address NAND Flash
16-bit interface, 3-byte address NAND Flash
16-bit interface, 4-byte address NAND Flash
16-bit interface, 5-byte address NAND Flash
XMODEM using UART2
I2C EEPROM
Undefined
GPIO
PA7
0
0
0
1
1
1
0
0
0
0
1
1
LATCHED
MEDCHG
0
0
0
0
0
0
1
1
0
1
0
1
LATCHED
WIDTH1
See Table 7
0
0
1
0
0
1
0
0
1
1
1
x
LATCHED
WIDTH0
0
1
0
0
1
0
0
1
1
1
1
x
LATCHED
INTBOOT
0
1
1
1
1
1
1
1
1
1
1
1
1
Table 7. External Boot Modes
BOOT MODE
MEDCHG WIDTH1
8-bit ROM
0
0
16-bit ROM
0
0
32-bit ROM
0
1
Invalid: Do not allow this condition.
0
1
16-bit SynchFlash (Initializes device MODE Register)
1
0
16-bit SROM (Initializes device MODE Register)
1
0
32-bit SynchFlash (Initializes device MODE Register)
1
1
32-bit SROM (Initializes device MODE Register)
1
1
Boot from internal Boot ROM; see Table 6
x
x
WIDTH0
0
1
0
1
0
1
0
1
x
INTBOOT
0
0
0
0
0
0
0
0
1
Product data sheet
21
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