DS89C450-MNG+ Maxim Integrated Products, DS89C450-MNG+ Datasheet - Page 8
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DS89C450-MNG+
Manufacturer Part Number
DS89C450-MNG+
Description
IC MCU FLASH 64KB 25MHZ 40-DIP
Manufacturer
Maxim Integrated Products
Series
89Cr
Datasheet
1.DS89C450-KIT.pdf
(46 pages)
Specifications of DS89C450-MNG+
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
EBI/EMI, SIO, UART/USART
Peripherals
Power-Fail Reset, WDT
Number Of I /o
32
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Processor Series
89C
Core
8051
Data Bus Width
8 bit
Data Ram Size
1 KB
Maximum Clock Frequency
33 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
DS89C450-K00
Minimum Operating Temperature
- 40 C
Interface Type
UART
Operating Supply Voltage
4.5 V to 5.5 V
Package
40PDIP
Device Core
8051
Family Name
89C
Maximum Speed
33 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Figure 2. Page Mode 1 Timing
Figure 3. Page Mode 2 Timing
XTAL1
XTAL1
PSEN
Port 0
Port 2
PSEN
Port 0
Port 2
ALE
RD
WR
ALE
RD
WR
LSB
OPCODE
MSB
t
AVIV2
t
t
t
AVLL
AVLL2
LLIV
t
LSB
LSB
t
t
CLCL
PXIX
t
CLCL
LLAX
OPCODE
MOVX
t
LLPL
t
PLIV
t
AVLL2
LSB
t
AVIV0
LSB
MOVX
MOVX
t
PXIZ
t
MSB
PLPH
LSB
MOVX
t
LHLL
t
t
t
t
LLAX3
RHDX
LSB
LLWL
RLRH
DS89C430/DS89C450 Ultra-High-Speed Flash Microcontrollers
t
t
t
DATA
t
RLDV
AVDV2
AVDV0
8 of 46
AVDV2
MSB
t
LLDV
t
t
LHLL
LSB
AVLL3
t
t
RLRH
AVWL2
MSB
t
DATA
LLAX3
t
RLDV
t
t
t
LSB
PLPH
LLAX
PXIX
t
t
t
RHDX
PLAZ
RHDZ
MSB
OPCODE
t
AVIV2
t
PLIV
LSB
MSB
t
AVWL0
OPCODE
t
LSB
WLWH
t
t
t
LLAX2
QVWX
AVWL2
DATA
MSB
t
t
WHLH
LSB
WHQX
t
LLWL
MSB
t
t
t
WLWH
LLAX2
WHLH
t
QVWX
DATA
t
WHQX