| Address Range
|
Access
|
Description
|
Notes
|
| 0x60
|
Read Only
|
Model ID reg
|
Returns model (0x7500, 0x7553, etc)
|
| 0x62
|
Read/Write
|
submodel, fpga revision, RTC and LED control
|
| Bits
|
Access
|
Notes
|
| 15
|
Read/Write
|
Green LED (1 = on)
|
| 14
|
Read/Write
|
Red LED (1 = on)
|
| 13
|
Read/Write
|
RTC SCL input
|
| 12
|
Read/Write
|
RTC SDA input
|
| 11
|
Read/Write
|
RTC SCL direction (1 - output)
|
| 10
|
Read/Write
|
RTC SDA direction (1 - output)
|
| 9
|
Read/Write
|
RTC SCL output
|
| 8
|
Read/Write
|
RTC SDA output
|
| 7-4
|
Read Only
|
Board submodel - 0x0 on production board
|
| 3-0
|
Read Only
|
FPGA revision
|
|
| 0x64
|
Read Only
|
16-bits of random data changed every 1 second.
|
|
| 0x66
|
Read Write
|
DIO and tagmem control
|
| Bits
|
Access
|
Notes
|
| 15-12
|
Read Only
|
DIO input for pins 40(MSB)-37(LSB)
|
| 11-8
|
Read/Write
|
DIO output for pins 40(MSB)-37(LSB)
|
| 7-4
|
Read/Write
|
DIO direction for pins 40(MSB)-37(LSB) (1 - output)
|
| 3
|
Read/Write
|
Lattice tagmem clock
|
| 2
|
Read/Write
|
Lattice tagmem serial-in (RW)
|
| 1
|
Read/Write
|
Lattice tagmem CSn
|
| 0
|
Read Only
|
Lattice tagmem serial-out (RO)
|
|
| 0x68
|
Read Only
|
DIO input for pins 36(MSB)-21(LSB)
|
|
| 0x6a
|
Read Only
|
DIO output for pins 36(MSB)-21(LSB)
|
|
| 0x6c
|
Read/Write
|
DIO direction for pins 36(MSB)-21(LSB) (1 - output)
|
|
| 0x6e
|
Read/Write
|
DIO input for pins 20(MSB)-5(LSB)
|
|
| 0x70
|
Read/Write
|
DIO output for pins 20(MSB)-5(LSB)
|
|
| 0x72
|
Read/Write
|
DIO direction for pins 20(MSB)-5(LSB) (1 - output)
|
|
| 0x74
|
Write Only
|
Watchdog feed register
|
| Value
|
Notes
|
| 0x0
|
feed watchdog for another .338s
|
| 0x1
|
feed watchdog for another 2.706s
|
| 0x2
|
feed watchdog for another 10.824s
|
| 0x3
|
disable watchdog
|
|
| 0x76
|
Read/Write
|
SPI PLL phase, latched mode bits, scratch reg
|
| Bits
|
Access
|
Notes
|
| 15-11
|
N/A
|
Reserved
|
| 10-6
|
Read/Write
|
PLL phase (set by TS-BOOTROM)
|
| 5
|
Read Only
|
mode3 latched bootstrap bit
|
| 4
|
Read/Write
|
Reset switch enable (1 - auto reboot when dio_i[9] == 0)
|
| 3-2
|
Read/Write
|
scratch reg
|
| 1
|
Read Only
|
mode2 latched bootstrap bit
|
| 0
|
Read Only
|
mode1 latched bootstrap bit
|
|
