Zilog Z16C35 Manual do Utilizador descarregar pdf (Página 30)

ISCC

User Manual

UM011002-0808

Table 2–6. DMA Address Map

Address* Name Description

xxxxx BCR Bus Configuration Register

00000 CCAR Channel Command/Address Register (Write)

00000 DSR DMA Status (Read)

00001 ICR Interrupt Control Register

00010 IVR Interrupt Vector Register

00011 ICSR Interrupt Command Register (Write)

00011 ISR I nterrupt Status Register (Read)

00100 DER DMA Enable/Disable Register

00101 DCR DMA Control Register

00110 Reserved Address

00111 Reserved Address

01000 RDCRA Receive DMA Count Register, Channel A (Low Byte)

01001 RDCRA Receive DMA Count Register, Channel A (High Byte)

01010 TDCRA Transmit DMA Count Register, Channel A (Low Byte)

01011 TDCRA Transmit DMA Count Register, Channel A (High Byte)

01100 RDCRB Receive DMA Count Register, Channel B (Low Byte)

01101 RDCRB Receive DMA Count Register, Channel B (High Byte)

01110 TDCRB Transmit DMA Count Register, Channel B (Low Byte)

01111 TDCRB Transmit DMA Count Register, Channel B (High Byte)

10000 RDARA Receive DMA Address Register, Channel A (Bits 0-7)

10001 RDARA Receive DMA Address Register, Channel A (Bits 8-15)

10010 RDARA Receive DMA Address Register, Channel A (Bits 16-23

10011 RDARA Receive DMA Address Register, Channel A (Bits 24-31)

10100 TDARA Transmit DMA Address Register, Channel A (Bits 0-7)

10101 TDARA Transmit DMA Address Register, Channel A (Bits 8-15)

10110 TDARA Transmit DMA Address Register, Channel A (Bits 16-23)

10111 TDARA Transmit DMA Address Register, Channel A (Bits 24-31)

11000 RDARB Receive DMA Address Register, Channel B (Bits 0-7)

11001 RDARB Receive DMA Address Register, Channel B (Bits 8-15)

11010 RDARB Receive DMA Address Register, Channel B (Bits 16-23)

11011 RDARB Receive DMA Address Register, Channel B (Bits 24-31)

11100 TDARB Transmit DMA Address Register, Channel B (Bits 0-7)

11101 TDARB Transmit DMA Address Register, Channel B (Bits 8-15)

11110 TDARB Transmit DMA Address Register, Channel B (Bits 16-23)

11111 TDARB Transmit DMA Address Register, Channel B (Bits 24-31)

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