Zilog Z16C35 - Manual (Page 30)

ISCC
User Manual
UM011002-0808
24
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)
Page 24 of 316