z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 107
z80189
Manufacturer Part Number
z80189
Description
Z80180, Z8s180, Z8l180 Mpu Operation
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z80189.pdf
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UM005003-0703
Z8018x
Family MPU User Manual
Channel 0
•
•
•
Channel 1
•
•
•
The two channels share the following three additional registers in common:
•
•
•
DMAC Block Diagram
Figure 45 depicts the Z8X180 DMAC Block Diagram.
SAR0–Source Address Register
DAR0–Destination Address Register
BCR0–Byte Count Register
MAR1–Memory Address Register
IAR1–I/O Address Register
BCR1–Byte Count Register
DSTAT–DMA Status Register
DMODE–DMA Mode Register
DCNTL–DMA Control Register
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