Z8L18220FSG Zilog, Z8L18220FSG Datasheet - Page 83

• Manufacturer Part Number: Z8L18220FSG
• Description: IC 20MHZ STATIC MIMIC 100-QFP
• Manufacturer: Zilog

Specifications of Z8L18220FSG

• Processor Type: Z180
• Features: Smart Peripheral Controller
• Speed: 20MHz
• Voltage: 3.3V
• Mounting Type: Surface Mount
• Package / Case: 100-QFP
• Processor Series: Z8L18x
• Core: Z80
• Data Bus Width: 8 bit
• Program Memory Type: ROMLess
• Interface Type: UART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 24
• Number Of Timers: 2
• Operating Supply Voltage: 0 V to 3.3 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TIMING DIAGRAMS
Z180 MPU Timing
DS971820600
Zilog
Address
/RESET
/MREQ
/IORQ
/WAIT
Data
Data
OUT
/WR
/RD
/M1
ST
ø
IN
68
4
2
62
T1
1
6
19
10
7
63
Opcode Fetch Cycle
T2
67
(Opcode Fetch Cycle, Memory Read/Write Cycle
8
9
17
5
3
20
19
PS009801-0301
TW
P R E L I M I N A R Y
14
Figure 90. CPU Timing
I/O Read/Write Cycle)
15
18
T3
12
20
T1
13
9
16
23
11
11
T2
7
I/O Write Cycle †
I/O Read Cycle †
28
22
24
TW
26 and 26a
15
67
62
25
13
29
T3
63
Z
T1
68
ILOG
16
11
11
21
27
I
NTELLIGENT
Z80182/Z8L182
P
ERIPHERAL
3-83