Z16M1720ASC Zilog, Z16M1720ASC Datasheet - Page 90

• Manufacturer Part Number: Z16M1720ASC
• Description: IC PCMCIA INTERFACE 100-VQFP
• Manufacturer: Zilog

Specifications of Z16M1720ASC

• Applications: Ethernet Controller
• Interface: SPI Serial
• Voltage - Supply: 3 V ~ 5.5 V
• Package / Case: *
• Mounting Type: *
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

76
WORD-TO-BYTE OPERATION
PS012002-1201
Z86017/Z16017 PCMCIA Interface Solution
Product Specification
Delay (HIOR/HIOW)
Delay (HIOR/HIOW)
(PC_MCLK_IN /2)
ATA_HCS<1:0>
ATA_IOCHRDY
Internal Access
Internal Strobe
PC_HA<10:0>
ATA_HA<2:0>
Internal Clock
or PC_HOE
ATA_HIOW
ATA_HIOR
PC_HCE1
PC_HWE
PC_WAIT
HIOR/HIOW strobe delay equals
IOCHRDY time plus strobe width
period programmed in the Bus
Control register 2Fh bits <5:4>
Figure 10 illustrates Word-to-Byte timing and Figure 11 depicts the
Word-to-Byte Mode data path.
Figure 10.
Count 0
Count 0
Valid Even Address
Word-to-Byte Timing
1
2
HIOR/HIOW strobe access
equals access delay period
programmed in the Bus Control
register 2Fh bits <7:6>
1
Count 0
2
Programming Internal Registers
1
Adr+1
2
Count 0
Count 0