Z16M1720ASG1868 Zilog, Z16M1720ASG1868 Datasheet - Page 61

• Manufacturer Part Number: Z16M1720ASG1868
• Description: IC PCMCIA INTERFACE 100-VQFP
• Manufacturer: Zilog

Specifications of Z16M1720ASG1868

• Applications: *
• Interface: *
• Voltage - Supply: *
• Package / Case: 100-LQFP
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DMA FUNCTIONAL DESCRIPTION
UM008101-0601
Features
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Single Highly Versatile Channel
Dual Port Address Generation with Incrementing, Decrementing, or
Fixed Address in Both Ports
Buffered Address and Block-Length Registers
64 Kbyte Maximum Block Length
2.4 or 4 MHz Clock Rates (Z80 or Z80A DMA)
1.25 or 2 MB/s Data Rate (Z80 or Z80A DMA)
Transfer, Search, or Transfer/Search Operations
Bit-Maskable Byte Searching
Sequential (Flow-Through) or Simultaneous (Flyby) Transfers
Compatible with Z80 and Many Other CPUs
Byte, Burst, and Continuous Modes
Auto Restart Capability
Variable Cycle Timing
Wait-Line Cycle Extension
Internally Modifiable Interrupt Vectors
Programmable Interrupts on Ready, End-of-Block, Byte Match
Hardware Priority Daisy-Chains for Bus Requests and Interrupts
Periodic Pulse Generation for External Device
21 Writeable Control Registers
Seven Readable Status Registers
<   % 2 7 2 G T K R J G T C N U
Direct Memory Access
7 U G T / C P W C N