dsPIC33F
DS70165E-page 140
Preliminary
2007 Microchip Technology Inc.
REGISTER 7-1:
DMAxCON: DMA CHANNEL x CONTROL REGISTER
R/W-0
U-0
CHEN
SIZE
DIR
HALF
NULLW
bit 15
bit 8
U-0
R/W-0
U-0
R/W-0
—AMODE<1:0>
—MODE<1:0>
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 15
CHEN: Channel Enable bit
1
= Channel enabled
0
= Channel disabled
bit 14
SIZE: Data Transfer Size bit
1
= Byte
0
= Word
bit 13
DIR: Transfer Direction bit (source/destination bus select)
1
= Read from DMA RAM address, write to peripheral address
0
= Read from peripheral address, write to DMA RAM address
bit 12
HALF: Early Block Transfer Complete Interrupt Select bit
1
= Initiate block transfer complete interrupt when half of the data has been moved
0
= Initiate block transfer complete interrupt when all of the data has been moved
bit 11
NULLW: Null Data Peripheral Write Mode Select bit
1
= Null data write to peripheral in addition to DMA RAM write (DIR bit must also be clear)
0
= Normal operation
bit 10-6
Unimplemented: Read as ‘0’
bit 5-4
AMODE<1:0>: DMA Channel Operating Mode Select bits
11
= Reserved (will act as Peripheral Indirect Addressing mode)
10
= Peripheral Indirect Addressing mode
01
= Register Indirect without Post-Increment mode
00
= Register Indirect with Post-Increment mode
bit 3-2
Unimplemented: Read as ‘0’
bit 1-0
MODE<1:0>: DMA Channel Operating Mode Select bits
11
= One-Shot, Ping-Pong modes enabled (one block transfer from/to each DMA RAM buffer)
10
= Continuous, Ping-Pong modes enabled
01
= One-Shot, Ping-Pong modes disabled
00
= Continuous, Ping-Pong modes disabled
相关PDF资料
PIC16F627A-I/P IC MCU FLASH 1KX14 EEPROM 18DIP
XF2G-1414-11 CONN FPC 14POS 0.5MM SMT
PIC16F777T-I/ML IC PIC MCU FLASH 8KX14 44QFN
PIC18F2539T-E/SO IC PIC MCU FLASH 12KX16 28SOIC
PIC16LF1936-I/SO IC PIC MCU FLASH 512KX14 28-SOIC
PIC16F873AT-E/ML IC PIC MCU FLASH 4KX14 28QFN
PIC18F2439T-E/SO IC PIC MCU FLASH 6KX16 28SOIC
PIC16LF777T-I/ML IC PIC MCU FLASH 8KX14 44QFN
相关代理商/技术参数
PIC18F23K20-I/SO 功能描述:8位微控制器 -MCU 8 KB Enh Flash 768 RAM 25 I/O Pb Free RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F23K20-I/SP 功能描述:8位微控制器 -MCU 8 KB Enh Flash 768 RAM 25 I/O Pb Free RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F23K20-I/SS 功能描述:8位微控制器 -MCU 8 KB Enh Flash 768 RAM 25 I/O Pb Free RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F23K20T-I/ML 功能描述:8位微控制器 -MCU 8 KB Enh Flash 768 RAM 25 I/O Pb Free RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F23K20T-I/MV 功能描述:8位微控制器 -MCU 8KB Flash 768B RAM Enhanced Flash RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F23K20T-I/SO 功能描述:8位微控制器 -MCU 8 KB Enh Flash 768 RAM 25 I/O Pb Free RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F23K20T-I/SS 功能描述:8位微控制器 -MCU 8 KB Enh Flash 768 RAM 25 I/O Pb Free RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F23K22-E/ML 功能描述:8位微控制器 -MCU 8KB Flash 768b RAM SERIAL EE IND RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT