Z1601720ASC Zilog, Z1601720ASC Datasheet - Page 48

• Manufacturer Part Number: Z1601720ASC
• Description: IC PCMCIA INTERFACE 100-VQFP
• Manufacturer: Zilog

Specifications of Z1601720ASC

• 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

34
EEPROM REGISTER
EEPROM Register
Address: SELECT 00h
Name: Interface Configuration Register 0
Type: Read/Write
RM001102-0901
Bit Placement
Bits 1–0
Bits 3–2
Z86017/Z16017 PCMCIA Interface Solution
Reference Manual
Table 11.
Bit Name
Set Internal
EN_OVERIDE
Interface Configuration Register: Address 00h
Description
Internal Clock Divider. On Power-On Reset, clock divide-
by-32 selects the Master Clock. On Power-On Reset, set
these bits to 0 0. Table 12 describes Master Clock
Settings.
Bit 1
0
1
1
1
Overrides PCMCIA ATA mode bits, /PC_ATA//HOE
selection on the PCMCIA interface. On Power-On Reset,
both bits are set to 0. Sample /PC_ATA//HOE.
Bit 3
0
0
1
1
Bit 0
0
1
0
1
Bit 2
0
1
0
1
Slowest Clock, Clock In divide-by-32
Clock In divide-by-16
Clock In divide-by-4
Clock In
PC_ATA/HOE Sampled to Set Mode
Forces ATA/IDE Pass Through Mode
Forces PCMCIA Mode
Reserved
Programming Internal Registers