P89LV51RD2
8-bit 80C51 3 V low power 64 kB Flash microcontroller
with 1 kB RAM
Rev. 03 -- 11 October 2004
Product data
1.
General description
The P89LV51RD2 is an 80C51 microcontroller with 64 kB Flash and 1024 bytes of
data RAM.
A key feature of the P89LV51RD2 is its X2 mode option. The design engineer can
choose to run the application with the conventional 80C51 clock rate (12 clocks per
machine cycle) or select the X2 mode (6 clocks per machine cycle) to achieve twice
the throughput at the same clock frequency. Another way to benefit from this feature
is to keep the same performance by reducing the clock frequency by half, thus
dramatically reducing the EMI.
The Flash program memory supports both parallel programming and in serial
In-System Programming (ISP). Parallel programming mode offers gang-programming
at high speed, reducing programming costs and time to market. ISP allows a device
to be reprogrammed in the end product under software control. The capability to
field/update the application firmware makes a wide range of applications possible.
The P89LV51RD2 is also In-Application Programmable (IAP), allowing the Flash
program memory to be reconfigured even while the application is running.
2.
Features
s
80C51 Central Processing Unit
s
3 V Operating voltage from 0 MHz to 33 MHz
s
64 kB of on-chip Flash program memory with ISP (In-System Programming) and
IAP (In-Application Programming)
s
Supports 12-clock (default) or 6-clock mode selection via software or ISP
s
SPI (Serial Peripheral Interface) and enhanced UART
s
PCA (Programmable Counter Array) with PWM and Capture/Compare functions
s
Four 8-bit I/O ports with three high-current Port 1 pins (16 mA each)
s
Three 16-bit timers/counters
s
Programmable Watchdog timer (WDT)
s
Eight interrupt sources with four priority levels
s
Second DPTR register
s
Low EMI mode (ALE inhibit)
s
TTL- and CMOS-compatible logic levels
Philips Semiconductors
P89LV51RD2
8-bit microcontrollers with 80C51 core
Product data
Rev. 03 -- 11 October 2004
2 of 77
9397 750 14101
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
s
Brown-out detection
s
Low power modes
x
Power-down mode with external interrupt wake-up
x
Idle mode
s
DIP40, PLCC44 and TQFP44 packages
3.
Ordering information
3.1 Ordering options
Table 1:
Ordering information
Type number
Package
Version
Name
Description
P89LV51RD2BA
PLCC44
plastic leaded chip carrier; 44 leads
SOT187-2
P89LV51RD2FA
P89LV51RD2BBC
TQFP44
plastic thin quad flat package; 44 leads;
body 10
10
1.0 mm
SOT376-1
P89LV51RD2BN
DIP40
plastic dual in-line package; 40 leads (600
mil)
SOT129-1
Table 2:
Ordering options
Type number
Temperature range
Frequency
P89LV51RD2BA
0
C to +70
C
0 to 33 MHz
P89LV51RD2FA
-
40
C to +85
C
P89LV51RD2BBC
0
C to +70
C
P89LV51RD2BN
0
C to +70
C
Philips Semiconductors
P89LV51RD2
8-bit microcontrollers with 80C51 core
Product data
Rev. 03 -- 11 October 2004
3 of 77
9397 750 14101
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
4.
Block diagram
Fig 1.
P89LV51RD2 block diagram.
HIGH PERFORMANCE
80C51 CPU
64 kB
CODE FLASH
1 kB
DATA RAM
PORT 3
OSCILLATOR
INTERNAL
BUS
CRYSTAL
OR
RESONATOR
002aaa506
UART
SPI
TIMER 2
PCA
PROGRAMMABLE
COUNTER ARRAY
TIMER 0
TIMER 1
WATCHDOG TIMER
PORT 2
PORT 1
PORT 0
Philips Semiconductors
P89LV51RD2
8-bit microcontrollers with 80C51 core
Product data
Rev. 03 -- 11 October 2004
4 of 77
9397 750 14101
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
5.
Pinning information
5.1 Pinning
Fig 2.
PLCC44 pin configuration.
P89LV51RD2BA
P89LV51RD2FA
002aaa509
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
18
19
20
21
22
23
24
25
26
27
28
6
5
4
3
2
1
44
43
42
41
40
P1.4/SS/CEX1
P1.3/CEX0
P1.2/ECI
P1.1/T2EX
P1.0/T2
NC
V
CC
P0.0/AD0
P0.1/AD1
P0.2/AD2
P0.3/AD3
WR/P3.6
RD/P3.7
XTAL2
XTAL1
V
SS
NC
A8/P2.0
A9/P2.1
A10/P2.2
A11/P2.3
A12/P2.4
CEX2/MOSI/P1.5
CEX3/MISO/P1.6
CEX4/SCK/P1.7
RST
RXD/P3.0
NC
TXD/P3.1
INT0/P3.2
INT1/P3.3
T0/P3.4
T1/P3.5
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
NC
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
Philips Semiconductors
P89LV51RD2
8-bit microcontrollers with 80C51 core
Product data
Rev. 03 -- 11 October 2004
5 of 77
9397 750 14101
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Fig 3.
DIP40 pin configuration.
handbook, halfpage
P89LV51RD2BN
002aaa507
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
T2/P1.0
T2EX/P1.1
ECI/P1.2
CEX0/P1.3
CEX1/SS/P1.4
CEX2/MOSI/P1.5
CEX3/MISO/P1.6
CEX4/SCK/P1.7
RST
RXD/P3.0
TXD/P3.1
INT0/P3.2
INT1/P3.3
T0/P3.4
T1/P3.5
WR/P3.6
RD/P3.7
XTAL2
XTAL1
VSS
VDD
P0.0/AD0
P0.1/AD1
P0.2/AD2
P0.3/AD3
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
P2.4/A12
P2.3/A11
P2.2/A10
P2.1/A9
P2.0/A8
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
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