DS89C430-ENG Maxim Integrated Products, DS89C430-ENG Datasheet - Page 34
![IC MCU FLASH 16KB 25MHZ 44-TQFP](/photos/6/86/68678/406-44-tqfp_sml.jpg)
DS89C430-ENG
Manufacturer Part Number
DS89C430-ENG
Description
IC MCU FLASH 16KB 25MHZ 44-TQFP
Manufacturer
Maxim Integrated Products
Series
89Cr
Datasheet
1.DS89C450-KIT.pdf
(46 pages)
Specifications of DS89C430-ENG
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
16KB (16K 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
44-TQFP, 44-VQFP
Processor Series
DS89C430
Core
8051
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
UART
Maximum Clock Frequency
33 MHz
Number Of Programmable I/os
4
Number Of Timers
3
Operating Supply Voltage
4.5 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS89C430-ENG
Manufacturer:
Maxim Integrated
Quantity:
10 000
Company:
Part Number:
DS89C430-ENG+
Manufacturer:
Maxim Integrated
Quantity:
10 000
Figure 12. Page Mode 1, External Data Memory Access
(PAGES = 01, STRETCH = 1, CD = 10)
RD / WR
RD / WR
XTAL1
Port 0
Port 2
RD / WR
PSEN
PSEN
Port 0
Port 2
Port 0
Port 2
ALE
PSEN
ALE
ALE
LSB Addr
LSB Addr
LSB Addr
Inst
Inst
Inst
MOVX Inst
Fetch
MOVX Inst
Fetch
LSB Addr
LSB Addr
LSB Addr
MOVX
MOVX
Inst
MSB Addr
MSB Addr
LSB Addr
Inst
LSB Addr
LSB Addr
MSB Addr
Memory Access (Stretch =1)
MOVX
Inst
DS89C430/DS89C450 Ultra-High-Speed Flash Microcontrollers
MOVX Instruction
MOVX Instruction
34 of 46
Memory Access (Stretch =1)
LSB Addr
Inst
Memory Access (Stretch =1)
LSB Addr
LSB Addr
MOVX Instruction
Data
Data
LSB Addr
Data
LSB Addr
LSB Addr
Inst
Inst
LSB Addr
LSB Addr
LSB Addr
Inst
Inst
Inst
LSB Addr
LSB Addr
LSB Addr
Inst
Inst
Inst