Spectrum Digital TMS320DM365, Technical Reference

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Spectrum Digital, Inc
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2.1.1.2.5 Register 4, Board Switch Register
This 8 bit, read only register mirrors the values set on switch SW5. These signals are
shown in the table below.
2.1.1.2.6 Register 5, Power Control Register
Register 5 is a 8 bit, read/write register that controls on board voltage regulator
functions. The default data value is 0b00000000. These controls are shown in the table
below.
Table 3: Register 4, Board Switch Register
Bit # SW5 Position Signal
7 Reserved N/A
6 Reserved N/A
5 1
SEL_NAND_LOW
0 = NAND mapped to CE0,
1 = ONE NAND mapped to CE0
4 2 SEL_EXTRA1
3 3 SEL_EXTRA2
2 4 SEL_EXTRA3
1 5
CPU_VSEL1
0 = Vcore at 1.2V
1 = Vcore at 1.35 V
0 6 SEL_NTAS_MODE
Table 4: Register 5, Power Control Register
Bit # Signal Function
7 LCD_OE_5V 0,1 = Sets U32 FDC6331L Pin to 0,1
6
ENABLE_LCD_3V3
0 = Disables U31 TPS74701
1 = Enables U31 TPS74701
5 Reserved
4 EN7 0,1 = Sets U14 TPS65530 EN7 pin to 0,1
3 ENAFE 0,1 = Sets U14 TPS65530 ENAFE pin to 0,1
2 SEQ56 0,1 = Sets U14 TPS65530 SEQ56 pin to 0,1
1 EN56 0,1 = Sets U14 TPS65530 EN56 pin to 0,1
0 ENABLE_LCD_15V
0 = Disables U34 TPS61080 register
0 = Enables U34 TPS61080 register