Z8L18220AEC Zilog, Z8L18220AEC Datasheet - Page 40

• Manufacturer Part Number: Z8L18220AEC
• Description: IC 20MHZ STATIC MIMIC 100-LQFP
• Manufacturer: Zilog

Specifications of Z8L18220AEC

• Processor Type: Z180
• Features: Smart Peripheral Controller
• Speed: 20MHz
• Voltage: 3.3V
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• 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: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Zilog
DMA REGISTERS (Continued)
3-40
Upon Reset
Upon Reset
R/W
R/W
Bit
Bit
DSTAT
DMODE
DE1
R/W
DM1, 0
MMOD
0
1
-
00
01
10
11
0
1
DE0
R/W
0
-
1
Destination
Cycle Steal Mode
Burst Mode
I/O
/DWE1
M
M
M
DM1
Mode
W
R/W
1
0
/DWE0
DM0
DAR0 Fixed
DAR0 Fixed
W
R/W
1
0
Figure 41. DMA Mode Registers
Figure 40. DMA Status Register
DAR0+1
Address
DAR0-1
P R E L I M I N A R Y
PS009801-0301
DIE1
R/W
SM1
R/W
0
0
DIE0
R/W
SM0
R/W
0
0
SM1, 0
00
01
10
11
MMOD
R/W
-
1
0
Addr 30H
Addr 31H
DIME
Source
I/O
R
0
M
M
M
-
1
SAR0 Fixed
SAR0 Fixed
DMA Master Enable
DMA Interrupt Enable 1, 0
DMA Enable Bit Write Enable 1, 0
DMA Enable Ch 1, 0
Memory MODE Select
Ch 0 Source Mode 1, 0
Ch 0 Destination Mode 1, 0
Address
SAR0+1
SAR0-1
Z
ILOG
I
NTELLIGENT
DS971820600
Z80182/Z8L182
P
ERIPHERAL