DS89C430 Datasheet, PDF (45/48 Pages) Dallas Semiconductor – Ultra-High-Speed Flash Microcontrollers

PIN CONFIGURATIONS
DS89C430/DS89C440/DS89C450 Ultra-High-Speed Flash Microcontrollers
TOP VIEW
6
7
1
40
39
DS89C430
DS89C440
DS89C450
17
18
PLCC
29
28
33
23
34
22
DS89C430
DS89C440
DS89C450
44
12
1
1
TQFP
P1.0/T2
P1.1/T2EX
P1.2/RXD1
P1.3/TXD1
P1.4/INT2
P1.5/INT3
P1.6/INT4
P1.7/INT5
RST
P3.0/RXD0
P3.1/TXD0
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P3.6/WR
P3.7/RD
XTAL2
XTAL1
VSS
1
40
2
39
3
38
4
37
5
36
6
35
7
34
8
33
9
32
10 _DS89C430 31
11 _DS89C440 30
12 _DS89C450 29
13
28
14
27
15
26
16
25
17
24
18
23
19
22
20
21
VCC
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
EA/VPP
ALE/PROG
PSEN
P2.7
P2.6
P2.5
P2.4
P2.3
P2.2
P2.1
P2.0
PDIP
REVISION HISTORY
DATE
111003
032204
DESCRIPTION
New product release.
DC Electrical Characteristics table: Corrected typoóUnder Supply Current for Active and Idle Mode,
changed Units from ìmAî to ìmA.î
Note 15: Changed number of external clock cyles per system clock and minimum external clock
speeds.
Flash Memory Programming Characteristics table: Removed Note 20 (room temperature only) from the
Data Retention parameter.
060204
Changed Write/Erase Endurance parameter from 20,000 cycles to 10,000 cycles.
Removed original Table 5. Parallel Programming Instruction Set, and replaced it with a paragraph
introducing the subject and advising interested parties to contact the factory for more information.
Clarified IAP programming sequence.
060805
Added lead-free devices to Ordering Information table.
45 of 48