Z8L180 ZILOG [Zilog, Inc.], Z8L180 Datasheet - Page 102
Z8L180
Manufacturer Part Number
Z8L180
Description
Z8018x Family MPU
Manufacturer
ZILOG [Zilog, Inc.]
Datasheet
1.Z8L180.pdf
(326 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
Z8L18020FSG
Manufacturer:
IR
Quantity:
101
Company:
Part Number:
Z8L18020VSC
Manufacturer:
NXP
Quantity:
1 302
- Current page: 102 of 326
- Download datasheet (2Mb)
Z 8018x Fam il y
M PU Us e r M anual
87
Refresh cycles may be programmed to be either two or three clock cycles
in duration by programming the REFW (Refresh Wait) bit in the Refresh
Control Register (RCR). The external WAIT input and the internal Wait
State generator are not effective during refresh.
Figure 44 depicts the timing of a refresh cycle with a refresh wait (TRW)
cycle.
MCi
Refresh cycle
MCi+1
TR1
TRW* TR2
Refresh signal
(Internal signal)
Refresh address
A0 — A7
MREQ
RFSH
NOTE: * If three refresh cycles are specified, TRW is inserted.
Otherwise, TRW is not inserted
MC: Machine Cycle
Figure 44.
Refresh Cycle Timing Diagram
UM005001-ZMP0400
Related parts for Z8L180
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Communication Controllers, ZILOG INTELLIGENT PERIPHERAL CONTROLLER (ZIP)
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
CMOS Z8 microcontroller. ROM 16 Kbytes, RAM 256 bytes, speed 16 MHz, 32 lines I/O, 3.0V to 5.5V
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
Low-cost microcontroller. 512 bytes ROM, 61 bytes RAM, 8 MHz
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
Z8 4K OTP Microcontroller
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
CMOS SUPER8 ROMLESS MCU
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
SL1866 CMOSZ8 OTP Microcontroller
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
SL1866 CMOSZ8 OTP Microcontroller
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
OTP (KB) = 1, RAM = 125, Speed = 12, I/O = 14, 8-bit Timers = 2, Comm Interfaces Other Features = Por, LV Protect, Voltage = 4.5-5.5V
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
CMOS Z8 consumer controller processor. ROM 4 KB, RAM 237 bytes, speed 12 MHz, 24 lines I/O, 3.0V to 5.5V
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
CMOS Z8 consumer controller processor. ROM 4 KB, RAM 236 bytes, speed 16 MHz, 32 lines I/O, 3.0V to 5.5V
Manufacturer:
Zilog, Inc.
Datasheet:
Part Number:
Description:
CMOS Z8 consumer controller processor. ROM 4 KB, RAM 236 bytes, speed 12 MHz, 32 lines I/O, 3.0V to 5.5V
Manufacturer:
Zilog, Inc.
Datasheet: