DS89C430-QNG+ Maxim Integrated Products, DS89C430-QNG+ Datasheet - Page 28
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DS89C430-QNG+
Manufacturer Part Number
DS89C430-QNG+
Description
IC MCU FLASH 16KB 25MHZ 44-PLCC
Manufacturer
Maxim Integrated Products
Series
89Cr
Datasheet
1.DS89C450-KIT.pdf
(46 pages)
Specifications of DS89C430-QNG+
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-LCC, 44-PLCC
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
Package
44PLCC
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
Details
Figure 8. Nonpage Mode, External Data Memory Access (Stretch = 0, CD1:CD2 = 10)
Figure 9. Nonpage Mode, External Data Memory Access (Stretch = 1, CD1:CD2 = 10)
XTAL1
RD/WR
XTAL1
RD/WR
Port 0
Port 2
Port 0
Port 2
ALE
PSEN
PSEN
ALE
MOVX
Instruction
Fetch
MOVX
Instruction
Fetch
A
A
A
A
MOVX
MOVX
1st Machine Cycle
1st Machine Cycle
A
A
MOVX Instruction
INST
INST
MOVX Instruction
2nd Machine Cycle
2nd Machine Cycle
DS89C430/DS89C450 Ultra-High-Speed Flash Microcontrollers
28 of 46
Memory
Access
Stretch = 0
A
A
A
A
Memory Access
Stretch = 1
DATA
DATA
3rd Machine Cycle