TPM749 Просмотр технического описания (PDF) - Philips Electronics
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TPM749 Datasheet PDF : 14 Pages
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Philips Semiconductors
Microcontroller with TrackPoint™ microcode from IBM
Product specification
TPM749
DESCRIPTION
The Philips Semiconductors TPM749 is a small package, low cost,
ROM-coded 80C51 with IBM®’s TrackPoint™ pointing algorithms
and control code. TrackPoint is the result of years of human factors
research and innovation at IBM. The result is a “velocity sensitive”
pointing solution more efficient and easier to use than “position
sensitive” devices such as the mouse, the trackball, or the touchpad.
IBM has licensed Philips Semiconductors to sell microcontrollers
with TrackPoint code. By purchasing a TPM from Philips, the
purchaser becomes a sub-licensee of Philips. The selling price of
Philips’ TPM includes the royalties for IBM’s intellectual property,
which Philips in turn pays to IBM. Customers for TPMs do not need
to sign any licensing agreement with either IBM or Philips. This code
is the intellectual property of IBM, which is covered by numerous
patents, and must be treated accordingly.
The TPM is fabricated with Philips high-density CMOS technology.
Philips epitaxial substrate minimizes CMOS latch-up sensitivity.
The TPM contains a 2k × 8 ROM, a 64 × 8 RAM, 21 I/O lines, a
16-bit auto-reload counter/timer, a fixed-priority level interrupt
structure, an on-chip oscillator, a five channel multiplexed 8-bit A/D
converter, and an 8-bit PWM output.
The TPM supports two power reduction modes of operation referred
to as the idle mode and the power-down mode.
FEATURES
• 80C51 based architecture
• Small package sizes
– 28-pin Shrink Small Outline Package (SSOP)
– 28-pin PLCC
• Low power consumption:
– Normal operation: less than 11mA @ 5V, 12MHz
– Idle mode
– Power-down mode
• 2k × 8 ROM
• 64 × 8 RAM
• 16-bit auto reloadable counter/timer
• 5-channel 8-bit A/D converter
• 8-bit PWM output/timer
• 10-bit fixed-rate timer
• CMOS and TTL compatible
PIN CONFIGURATION
P3.4/A4 1
P3.3/A3 2
P3.2/A2/A10 3
P3.1/A1/A9 4
P3.0/A0/A8 5
P0.2 6
P0.1/OE 7
P0.0/ASEL 8
SHRINK
SMALL
OUTLINE
PACKAGE
RST 9
X2 10
X1 11
VSS 12
P1.0/ADC0/D0 13
P1.1/ADC1/D1 14
28 VCC
27 P3.5/A5
26 P3.6/A6
25 P3.7/A7
24 P0.4/PWM OUT
23 P0.3
22 P1.7/T0/D7
21 P1.6/INT1/D6
20 P1.5/INT0/D5
19 AVCC
18 AVSS
17 P1.4/ADC4/D4
16 P1.3/ADC3/D3
15 P1.2/ADC2/D2
4 1 26
5
25
PLASTIC
LEADED
CHIP
CARRIER
11
19
12
Pin Function
1 P3.4/A4
2 P3.3/A3
3 P3.2/A2/A10
4 P3.1/A1/A9
5 P3.0/A0/A8
6 P0.2
7 P0.1/OE
8 P0.0/ASEL
9 RST
10 X2
11 X1
12 VSS
13 P1.0/ADC0/D0
14 P1.1/ADC1/D1
18
Pin Function
15 P1.2/ADC2/D2
16 P1.3/ADC3/D3
17 P1.4/ADC4/D4
18 AVSS
19 AVCC
20 P1.5/INT0/D5
21 P1.6/INT1/D6
22 P1.7/T0/D7
23 P0.3
24 P0.4/PWM OUT
25 P3.7/A7
26 P3.6/A6
27 P3.5/A5
28 VCC
SU00692A
ORDERING INFORMATION
ORDERING CODE
PTPM749 A
PTPM749 DB
TEMPERATURE RANGE AND PACKAGE
0 to +70°C, Plastic Leaded Chip Carrier
0 to +70°C, Shrink Small Ouline Package
DRAWING NUMBER
SOT261-3
SOT341-1
For compatible pointing device, contact:
COMPANY
Bokam Engineering
CTS Corporation
CONTACT
Ms. Jane Kamenster
Mr. Dave Poole
TELEPHONE
(714)513-2200
(219)589-7169
IBM is a registered trademark, and TrackPoint is a trademark of IBM Corporation.
1996 May 01
2
853-1831 16753
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