z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 125
z80189
Manufacturer Part Number
z80189
Description
Z80180, Z8s180, Z8l180 Mpu Operation
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z80189.pdf
(326 pages)
- Current page: 125 of 326
- Download datasheet (5Mb)
110
UM005003-0703
Z8018x
Family MPU User Manual
DREQ0 for ASCI transmission and reception respectively. To initiate
memory to/from ASCI DMA transfer, perform the following operations:
1. Load the source and destination addresses into SAR0 and DAR0
Table 16.
Note: X = Don’t care
Note: X = Don’t care
DAR18
SAR18
Specify the I/O (ASCI) address as follows:
a. Bits A0–A7 must contain the address of the ASCI channel
b. Bits A8–A15 must equal 0.
c. Bits SAR17–SAR16 must be set according to Table 16 to enable
X
X
X
X
X
X
X
X
transmitter or receiver (I/O addresses
use of the appropriate ASCI status bit as an internal DMA
request.
DAR17
DMA Transfer Request
SAR17
0
0
1
1
0
0
1
1
DAR16 DMA Transfer Request
SAR16 DMA Transfer Request
0
1
0
1
0
1
0
1
DREQ0
RDRF (ASCI channel 0)
RDRF (ASCI channel 1)
Reserved
DREQ0
TDRE (ASCI channel O)
TDRE (ASCI channel 1)
Reserved
6H
-
9H
).
Related parts for z80189
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Ez80f91 Mini Enet Module
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Development Boards & Kits - Other Processors ZiLOG TCP/IP Software Suite (ZTP Rev 1.4) - Object Code (Free download on www.zilog.com)
Manufacturer:
ZiLOG
Part Number:
Description:
Z90233, Z90234, And Z90231 Ezvision 200 Television Controller
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Digital Television Controllers
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Television Controllers
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
40-pin Low-cost Digital Television Controller
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
40-pin Low-cost Digital Television Controller
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Digital Television Controller In-circuit Emulator Ice Device
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Digital Television Controller
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Digital Television Controller
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
High Performance Microcontrollers
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Cmos Usc Universal Serial Controller
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Iusc Integrated Universal Serial Controller
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
16-bit Processor
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Pcmcia Interface Solution
Manufacturer:
ZiLOG Semiconductor
Datasheet: