Z86M1720ASG Zilog, Z86M1720ASG Datasheet - Page 50

• Manufacturer Part Number: Z86M1720ASG
• Description: IC PCMCIA INTERFACE 100-VQFP
• Manufacturer: Zilog

Specifications of Z86M1720ASG

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

36
EEPROM REGISTER
EEPROM Register
Address: SELECT 00h
Name: Interface Configuration Register 0
Type: Read/Write
PS012002-1201
Bit Placement
Bits 1–0
Bits 3–2
Z86017/Z16017 PCMCIA Interface Solution
Product Specification
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