Z8018010VSG Datasheet, PDF (8/85 Pages) Zilog, Inc. – Microprocessor Unit

Z80180
Microprocessor Unit
2
channels. Also included on-chip are wait-state generators, a clock oscillator, and an interrupt
controller.
The Z80180^™ is housed in 80-pin QFP, 68-pin PLCC, and 64-pin DIP packages.
Note: All signals with an overline are active Low. For example, B/W, in which WORD is
active Low); and B/W, in which BYTE is active Low.
Power connections follow conventional descriptions as listed in Table 1.
Table 1. Power Connection Conventions
Connection
Power
Ground
Circuit
V_CC
GND
Device
V_DD
V_SS
16-Bit
Address Bus
Processor
Power Controller
8-Bit
Data Bus
MMU
DMACs (2)
A
B
Decode
B
Clocked
Serial I/O
16-Bit Programmable
Reload Timers (2)
UARTs (2)
Figure 1. Z80180 Functional Block Diagram
TXA1–0
RXA1–0
PS014004-1106
Overview