PIC24EP256GU810-I Datasheet, PDF (161/622 Pages) Electronic Film Capacitors, Inc. – 16-Bit Microcontrollers and Digital Signal Controllers with High-Speed PWM, USB and Advanced Analog

dsPIC33EPXXX(GP/MC/MU)806/810/814 and PIC24EPXXX(GP/GU)810/814
TABLE 8-1: DMA CHANNEL TO PERIPHERAL ASSOCIATIONS (CONTINUED)
Peripheral to DMA Association
DMAxREQ Register
IRQSEL<7:0> Bits
DMAxPAD Register
(Values to Read from
Peripheral)
DMAxPAD Register
(Values to Write to
Peripheral)
UART4RX – UART4 Receiver
UART4TX – UART4 Transmitter
ECAN1 – RX Data Ready
ECAN1 – TX Data Request
ECAN2 – RX Data Ready
ECAN2 – TX Data Request
DCI – DCI Transfer Done
ADC1 – ADC1 Convert Done
ADC2 – ADC2 Convert Done
PMP – PMP Data Move
01011000
01011001
00100010
01000110
00110111
01000111
00111100
00001101
00010101
00101101
0x02B6 (U4RXREG)
—
0x0440 (C1RXD)
—
0x0540 (C2RXD)
—
0x0290 (RXBUF0)
0x0300 (ADC1BUF0)
0x0340 (ADC2BUF0)
0x0608 (PMDIN1)
—
0x02B4 (U4TXREG)
—
0x0442 (C1TXD)
—
0x0542 (C2TXD)
0x0298 (TXBUF0)
—
—
0x0608 (PMDIN1)
FIGURE 8-2:
DMA CONTROLLER TO PERIPHERAL ASSOCIATIONS BLOCK DIAGRAM
SRAM
Arbiter
DPSRAM
PORT 1 PORT 2
SRAM X-Bus
Peripheral Indirect Address
DMA Controller
DMA
Channels
01234 · · N
DMA
Ready
Peripheral 1
CPU DMA
DMA X-Bus
CPU Peripheral X-Bus
IRQ to DMA
and Interrupt
Controller
Modules
CPU
Non-DMA
Peripheral
Note: CPU and DMA address buses are not shown for clarity.
CPU DMA
DMA
Ready
Peripheral 2
CPU DMA
DMA
Ready
Peripheral 3
IRQ to DMA and IRQ to DMA and
Interrupt Controller Interrupt Controller
Modules
Modules
 2009-2012 Microchip Technology Inc.
DS70616G-page 161