Z0847006PSG Zilog, Z0847006PSG Datasheet - Page 222

• Manufacturer Part Number: Z0847006PSG
• Description: IC 6MHZ Z80 NMOS DART 40-DIP
• Manufacturer: Zilog
• Series: Z80r

Specifications of Z0847006PSG

• Processor Type: Z80
• Features: Dual Channel Asynchronous Receiver/Transmitter (DART)
• Speed: 6MHz
• Voltage: 5V
• Mounting Type: Through Hole
• Package / Case: 40-DIP (0.620", 15.75mm)
• Mounting Style: Through Hole
• Cpu Speed: 6MHz
• Digital Ic Case Style: DIP
• No. Of Pins: 40
• Supply Voltage Range: 5V
• Operating Temperature Range: 0°C To +70°C
• Svhc: No SVHC (18-Jun-2010)
• Base Number: 847006
• Rohs Compliant: Yes
• Clock Frequency: 6MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

UM008101-0601
<   % 2 7 2 G T K R J G T C N U
7 U G T / C P W C N
Control Interface
Special
Interrupts
Enable
A typical control mode application is illustrated in Figure 16. In this
example, an industrial process is to be monitored. The occurrence of any
abnormal operating condition is to be reported to a Z80 CPU-based control
system. The process control and status word has the following format:
The PIO may be used as follows. First, Port A is set for Mode 3 operation
by writing the following control word to Port A.
Whenever Mode 3 is selected, the next control word sent to the port must
be an I/O select word. In this example, port data lines A5, A3, and A0 are
selected as inputs, and the following control word is written:
Next, the appropriate interrupt vector must be loaded (refer to the Z80 CPU
User’s Manual for details):
An interrupt control word is next sent to the port:
The mask word following the interrupt mode word is:
Test
D7
D7
D7
D7
1
D7
V1
1
0
D6
Logic
V6
D6
D6
1
D6
OR
0
0
Turn On
Power
D5
D5
D5
Active
D5
V5
X
High
D6
1
1
Follows
D4
Mask
V4
X
D4
D4
D4
0
1
Failure Alarm
D3
Power
D3
V3
D3
D3
1
0
1
D5
Interrupt Control
D2
V2
D2
D2
D2
1
1
0
D1
Processing
D1
D1
D1
V1
1
1
0
D4
Halt
D0
D0
D0
D0
1
0
1
1
Temp.
Alarm
D3
Turn On
Heaters
D2
Parallel Input/Output
Pressurize
System
D1
Pressure
Alarm
D0