Z16M1720ASG1868 Zilog, Z16M1720ASG1868 Datasheet - Page 204

• Manufacturer Part Number: Z16M1720ASG1868
• Description: IC PCMCIA INTERFACE 100-VQFP
• Manufacturer: Zilog

Specifications of Z16M1720ASG1868

• Applications: *
• Interface: *
• Voltage - Supply: *
• Package / Case: 100-LQFP
• Mounting Type: Surface Mount
• 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
Interrupt
Control
Control
CPU
Data
BUS
PIO
BRDY
Register B Ready (output, active High). The meaning of this signal is
similar to that of A Ready with the following exception: In the Port A bidi-
rectional mode, this signal is High when the Port A input register is empty
and ready to accept data from the peripheral device.
Figure 3.
Control/Data SEL
INT Enable out
INT Enable in
Port B/A SEL
Chip Enable
IORQ
GND
+5V
INT
RD
M1
D0
D1
D3
D4
D5
D6
D7
A2
Φ
PIO Pin Functions
37
20
38
40
36
19
39
35
26
11
25
23
24
22
3
2
4
1
6
5
Z80 – PIO
Parallel Input/Output
15
14
13
12
10
9
8
7
18
16
27
28
29
30
31
32
33
34
21
17
A0
A2
A3
A1
A4
A5
A6
A7
ASTB
B0
B1
B2
B3
B4
B5
B6
B7
BRDY
BSTB
ARDY
Port A
I/O
Port B
I/O