Digital Spectrum TMS320C6413, Technical Reference

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Spectrum Digital, Inc
2-4 TMS320C6413/C6418 EVM Module Technical Reference
2.1.3 USER_REG Register
USER_REG is used to read the state of the 4 DIP switches and turn the 4 LEDs on or
off to allow the user to interact with the EVM. The DIP switches are read by reading the
top 4 bits of the register and the LEDs are set by writing to the low 4 bits.
2.1.4 DC_REG Register
DC_REG is used to monitor and control the daughter card interface. DC_DET detects
the presence of a daughter card. DC_STAT and DC_CNTL provide simple
communications with the daughter card through readable status lines and writable
control lines.
The daughter card is released from reset when the DSP is released from reset.
DC_RST can be used to put the card back in reset.
Table 2: CPLD USER_REG Register
Bit Name R/W Description
7 USER_SW3 R User DIP Switch 3(1 = Off, 0 = On)
6 USER_SW2 R User DIP Switch 2(1 = Off, 0 = On)
5 USER_SW1 R User DIP Switch 1(1 = Off, 0 = On)
4 USER_SW0 R User DIP Switch 0(1 = Off, 0 = On)
3 USER_LED3 R/W User-defined LED 3 Control (0 = Off, 1 = On)
2 USER_LED2 R/W User-defined LED 2 Control (0 = Off, 1 = On)
1 USER_LED1 R/W User-defined LED 1 Control (0 = Off, 1 = On)
0 USER_LED0 R/W User-defined LED 0 Control (0 = Off, 1 = On)
Table 3: DC_REG Register
Bit Name R/W Description
7 DC_DET R Daughter Card Detect (1= Board detected)
6 0 R Always 0
5 DC_STAT1 R Daughter Card Status 1 (0=Low, 1 = High)
4 DC_STAT0 R Daughter Card Status 0 (0=Low, 1 = High)
3 DC_RST R/W Daughter Card Reset (0=No Reset, 1 = Reset)
2 0 R Always zero
1 DC_CNTL1 R/W Daughter Card Control 1(0 = Low, 1 = High)
0 DC_CNTL0 R/W Daughter Card Control 0(0 = Low, 1 = High)