Z8L18220FSG Zilog, Z8L18220FSG Datasheet - Page 84

• 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

Zilog
TIMING DIAGRAMS (Continued)
3-84
Data /MREQ,
/INTSCC [4]
/Data IN [1]
/MREQ [2]
/BUSREQ
/RD, /WR,
/RFSH [2]
/BUSACK
/IORQ [1]
Address
/M1 [1]
/IORQ
/HALT
/INTI
/NMI
Ø
Notes:
[1] During /INT0 acknowledge cycle
[2] During refresh cycle
31
34
(/INT0 Acknowledge Cycle, Refresh Cycle, BUS RELEASE Mode
32
33
35
HALT Mode, SLEEP Mode, SYSTEM STOP Mode)
41
43
PS009801-0301
[3] Output buffer is off at this point
[4] Refer to T able C, parameter 7
39
P R E L I M I N A R Y
Figure 91. CPU Timing
36
38
C7
[3]
34
35
29
40
37
15
38
43
44
16
Z
ILOG
I
NTELLIGENT
DS971820600
Z80182/Z8L182
P
ERIPHERAL