DS89C430-ENG Maxim Integrated Products, DS89C430-ENG Datasheet - Page 10
![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 4. Serial Port Timing
SERIAL PORT (SYNCHRONOUS MODE)
SM2 = 1
SERIAL PORT (SYNCHRONOUS MODE)
SM2 = 0
WRITE TO SCON
TO CLEAR RI
WRITE TO SBUF
RXD DATA OUT
TXD CLOCK
RXD DATA IN
TXD CLOCK
WRITE TO SBUF
RXD DATA OUT
WRITE TO SCON
TO CLEAR RI
TXD CLOCK
RXD DATA IN
TXD CLOCK
PSEN
TXD CLOCK
ALE
TI
R1
PSEN
ALE
TI
R1
TDX CLOCK = XTAL FREQ/4
TDX CLOCK = XTAL FREQ/12
t
XHDV
t
QVXH
D0
t
XLXL
D0
t
XHQX
DI
DI
D2
D0
D2
DS89C430/DS89C450 Ultra-High-Speed Flash Microcontrollers
D0
10 of 46
D3
t
XHDX
D3
1/(XTAL FREQ/12)
D4
D4
DI
D5
DI
D5
D6
D6
D6
D6
D7
D7
D7
D7
TRANSMIT
RECEIVE