Z8L18020VSC Zilog, Z8L18020VSC Datasheet - Page 68

• Manufacturer Part Number: Z8L18020VSC
• Description: IC 20MHZ LOW PWR S180 68-PLCC
• Manufacturer: Zilog

Specifications of Z8L18020VSC

• Processor Type: Z80
• Features: Enhanced DMA Support
• Speed: 20MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 68-LCC (J-Lead)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ZiLOG
The I/O Control Register (
) allows relocation of the in-
ternal I/O addresses.
also controls the enabling and dis-
abling of
mode (Figure 83).
a n d
relocate internal I/O as indicated in Figure 84.
The high-order 8 bits of 16-bit internal I/O address are al-
.
ways
and
are cleared to
during
.
0
0
mode is enabled
when
is set to
. Normal I/O operation resumes when
1
is reprogrammed or
to
.
0