81x0-registermap: Difference between revisions

From embeddedTS Manuals
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(Added clarification for register 2 bit 12.)
 
(One intermediate revision by the same user not shown)
Line 39: Line 39:
| 12
| 12
| Read/Write
| Read/Write
| Toggles 5V to the LCD header pin 1
| Toggles 5V to the LCD header pin 1 (LCD_5V)
|-
|-
| 13
| 13
Line 56: Line 56:
| 7:0
| 7:0
| Read/Write  
| Read/Write  
| DIO output data ([[#dio_header|header]] odd pins, bit 0 is pin 1)
| DIO output data ([[#DIO_header|header]] odd pins, bit 0 is pin 1)
|-
|-
| 13:8
| 13:8

Latest revision as of 16:47, 13 October 2021

Offset Bits Access Description
0x0 15:0 Read Only Board ID (0x8100)
0x2 3:0 Read Only PLD revision
7:4 Read/Write Value to control PWM for LCD contrast
8 Read/Write TS-8100 USB Reset
9 Read/Write Controls ISA_RESET on the PC104 bus
10 Read/Write Enables a 14.3MHZ clock on the PC104 bus (B30) and the PLD (default 1)
11 Read/Write Enables the RS232 transceiver (default 1)
12 Read/Write Toggles 5V to the LCD header pin 1 (LCD_5V)
13 Read/Write Enable CAN1 standby
14 Read/Write Enable CAN2 standby
15 Read/Write Enables the PWM output for the contrast value
0x4 7:0 Read/Write DIO output data (header odd pins, bit 0 is pin 1)
13:8 Read/Write PC104 header A21:A16 output data
15:14 Read/Write PC104 header B12:B11 output data
0x6 7:0 Read/Write LCD pins 14:7 output data
8 Read/Write LCD Header pin 6 output data
9 Read/Write LCD Header pin 3 output data
10 Read/Write LCD Header pin 5 output data
11 Read/Write AVR MOSI
12 Read/Write AVR SCLK
13 Read/Write AVR RESET
14:15 N/A Reserved
0x8 7:0 Read/Write DIO Header odd pins 15:1 data direction
13:8 Read/Write PC104 A21:A16 data direction
15:14 Read/Write PC104 B12:B11 data direction
0xa 7:0 Read/Write LCD pins 14:7 data direction
8 Read/Write LCD Header pin 6 data direction
9 Read/Write LCD Header pin 3 data direction
10 Read/Write LCD Header pin 5 data direction
15:11 N/A Reserved
0xc 7:0 Read Only DIO Header dd pins 15:1 input data
13:8 Read Only PC104 A21:A16 input data
15:14 Read Only PC104 B12:B11 input data
0xe 7:0 Read Only LCD header pins 14-7 input data
8 Read Only LCD Write/Read (pin 6) input data
9 Read Only LCD Register Select (pin 3) input data
10 Read Only LCD Enable (pin 5) input data
11 Read/Write AVR MISO
15:12 N/A Reserved