rtd DM35218HR, Руководство пользователя

Страница: 5 / 56

RTD Embedded Technologies, Inc.
| www.rtd.com
v DM35418HR/DM35218HR
User’s Manual
BDM-610010041 Rev F
5.3 SyncBus .................................................................................................................................................................................... 27
5.4 Digital I/O .................................................................................................................................................................................. 28
5.5 Temperature Sensor ................................................................................................................................................................. 28
5.6 Analog input .............................................................................................................................................................................. 28
Single-Ended Input Mode 28
Differential Input Mode 28
Full-Scale Input Range 28
Bipolar/Unipolar Mode 28
5.6.1 Initializing the ADC Converter 29
5.6.2 Simplified block diagram of analog input 29
5.6.3 Input connection examples 30
5.4.3.1. Single Ended, Bipolar, ±10V Full-scale range 30
5.4.3.2. Differential, Bipolar, ±10V Full-scale range 30
5.4.3.3. Single Ended, Unipolar, 0-10V Full-scale range 31
5.4.3.4. Differential, Unipolar, 0-10V Full-scale range 31
5.4.3.5. ADC Gain and Offset Test 32
5.7 Analog output ............................................................................................................................................................................ 32
5.7.1 Initializing the DAC Converter 32
5.7.2 Simplified block diagram of analog output 33
6 Register Address Space 34
Register Types 34
Function Block Mapping 34
6.1 BAR0: General Board Control .................................................................................................................................................. 35
6.1.1 GBC_FMT (Read-Only) 35
6.1.2 GBC_REV (Read-Only) 35
6.1.3 GBC_BRD_RST (Read/Write) 35
6.1.4 GBC_PDP (Read-Only) 35
6.1.5 GBC_BUILD (Read-Only) 35
6.1.6 GBC_SYS_CLK_FREQ (Read Only) 35
6.1.7 GBC_USER_ID (Read Only) 36
6.1.8 GBC_IRQ_STATUS (Read/Clear) 36
6.1.9 GBC_DIRQ_STATUS (Read/Clear) 36
6.1.10 GBC_EOI (Read/Clear) 36
6.1.11 FBn_ID (Read-Only) 36
6.1.12 FBn_Offset (Read-Only) 36
6.1.13 FBn_Offset_DMA (Read-Only) 36
6.2 BAR2: Functional Block Standard DMA ................................................................................................................................... 37
6.2.1 FB_DMAm_Action (Read/Write) 37
6.2.2 FB_DMAm_Last_Action (Read/Write) 37
6.2.3 FB_DMAm_Setup (Read/Write) 37
6.2.4 FB_DMAm_Stat_Used (Read/Write) 38
6.2.5 FB_DMAm_Stat_Invalid (Read/Write) 38
6.2.6 FB_DMAm_Stat_Overflow (Read/Write) 38
6.2.7 FB_DMAm_Stat_Underflow (Read/Write) 38
6.2.8 FB_DMAm_Stat_Complete (Read/Write) 38
6.2.9 FB_DMAm_Current_Buffer (Read-Only) 38
6.2.10 FB_DMAm_COUNT (Read-Only) 38
6.2.11 FB_DMAm_RD_FIFO_CNT(Read-Only) 38
6.2.12 FB_DMAm_WR_FIFO_CNT(Read-Only) 38
6.2.13 FB_DMAm_ADDRESSn (Read/Write) 38
6.2.14 FB_DMAm_SIZEn (Read/Write) 38
6.2.15 FB_DMAm_CTRLn (Read/Write) 39
6.2.16 FB_DMAm_STATn (Read/Clear) 39
6.3 BAR2: Functional Block Header Registers ............................................................................................................................... 39
6.3.1 FB_ID (Read-Only) 39
6.3.2 FB_DMA_CHANNELS (Read -Only) 39
6.3.3 FB_DMA_BUFFERS (Read-Only) 39
6.4 BAR2: Analog to Digital Converter (ADC) ................................................................................................................................ 40
6.4.1 Function Block Register Map 40
6.4.2 Mode_Status (Read/Write, Read-Only) 40
6.4.3 CLK_SRC (Read/Write) 41