TL DD12524
COP87L88CLCOP87L84CL
8-Bit
One-Time
Programmable
(OTP)
Microcontroller
PRELIMINARY
September 1996
COP87L88CL COP87L84CL 8-Bit
One-Time Programmable (OTP) Microcontroller
General Description
The COP87L88CL COP87L84CL OTP microcontrollers are
members of the COP8
TM
feature family using an 8-bit core
architecture It is pin and software compatible to the mask
ROM COP888CL COP884CL product family
(Continued)
Key Features
Y
Two 16-bit timers
each with two 16-bit registers
supporting
Processor independent PWM mode
External event counter mode
Input capture mode
Y
4 kbytes on-board EPROM with security feature
Y
128 bytes on-board RAM
Additional Peripheral Features
Y
Idle timer
Y
Multi-Input Wake-Up (MIWU) with optional interrupts (8)
Y
WATCHDOG
TM
and clock monitor logic
Y
MICROWIRE PLUS
TM
serial I O
I O Features
Y
Memory mapped I O
Y
Software selectable I O options (TRI-STATE
output
push-pull output weak pull-up input high impedance in-
put)
Y
Schmitt trigger inputs on ports G and L
Y
Packages
44 PLCC with 39 I O pins
40 DIP with 33 I O pins
28 DIP with 24 I O pins
28 SO with 24 I O pins (contact local sales office for
availability)
CPU Instruction Set Features
Y
1 ms instruction cycle time
Y
Ten multi-source vectored interrupts servicing
External interrupt
Idle timer T0
Two timers (each with 2 Interrupts)
MICROWIRE PLUS
Multi-Input Wake Up
Software trap
Default VIS (default interrupt)
Y
Versatile and easy to use instruction set
Y
8-bit Stack Pointer SP
stack in RAM
Y
Two
8-bit
register
indirect
data
memory
pointers
(B and X)
Fully Static CMOS
Y
Two power saving modes HALT and IDLE
Y
Single supply operation 2 7V 5 5V
Y
Temperature range
b
40 C to
a
85 C
Development Support
Y
Emulation device for the COP888CL COP884CL
Y
Real time emulation and full program debug offered by
MetaLink Development System
Block Diagram
TL DD 12524 16
TRI-STATE
is a registered trademark of National Semiconductor Corporation
MICROWIRE PLUS
TM
WATCHDOG
TM
MICROWIRE
TM
and COP8
TM
are trademarks of National Semiconductor Corporation
PC
is a registered trademark of International Business Machines Corporation
iceMASTER
TM
is a trademark of MetaLink Corporation
C1996 National Semiconductor Corporation
RRD-B30M106 Printed in U S A
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General Description
(Continued)
The device is a fully static part fabricated using double-met-
al silicon gate microCMOS technology Features include an
8-bit memory mapped architecture MICROWIRE PLUS
TM
serial I O
two 16-bit timer counters supporting three
modes (Processor Independent PWM generation External
Event counter and Input Capture mode capabilities) Each
I O pin has software selectable configurations The devices
operates over a voltage range of 2 7V to 5 5V
High
throughput is achieved with an efficient regular instruction
set operating at a maximum of 1 ms per instruction rate
Connection Diagrams
Plastic Chip Carrier
TL DD 12524 1
Top View
Order Number COP87L88CLV-XE
See NS Package Number V44A
Note
-X
Crystal Oscillator
-E
Halt Enable
Dual-In-Line Package
TL DD 12524 2
Top View
Order Number COP87L84CLN-XE
See NS Package Number N40A
Dual-In-Line Package
TL DD 12524 3
Top View
Order Number COP87L84CLN-XE
or COP87L84CLM-XE
See NS Package Number M28B or N28B
FIGURE 1 COP87L88CL COP87L84CL Connection Diagrams
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Connection Diagrams
(Continued)
Pinouts for 28- 40- and 44-Pin Packages
Port
Type
Alt Fun
Alt Fun
28-Pin
40-Pin
44-Pin
Pkg
Pkg
Pkg
L0
I O
MIWU
11
17
17
L1
I O
MIWU
12
18
18
L2
I O
MIWU
13
19
19
L3
I O
MIWU
14
20
20
L4
I O
MIWU
T2A
15
21
25
L5
I O
MIWU
T2B
16
22
26
L6
I O
MIWU
17
23
27
L7
I O
MIWU
18
24
28
G0
I O
INT
25
35
39
G1
WDOUT
26
36
40
G2
I O
T1B
27
37
41
G3
I O
T1A
28
38
42
G4
I O
SO
1
3
3
G5
I O
SK
2
4
4
G6
I
SI
3
5
5
G7
I CKO
Halt Restart
4
6
6
D0
O
19
25
29
D1
O
20
26
30
D2
O
21
27
31
D3
O
22
28
32
I0
I
7
9
9
I1
I
8
10
10
I2
I
11
11
I3
I
12
12
I4
I
9
13
13
I5
I
10
14
14
I6
I
15
I7
I
16
D4
O
29
33
D5
O
30
34
D6
O
31
35
D7
O
32
36
C0
I O
39
43
C1
I O
40
44
C2
I O
1
1
C3
I O
2
2
C4
I O
21
C5
I O
22
C6
I O
23
C7
I O
24
Unused
16
Unused
15
V
CC
6
8
8
GND
23
33
37
CKI
5
7
7
RESET
24
34
38
e
On the 40-pin package Pins 15 and 16 must be connected to GND
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Absolute Maximum Ratings
(Note)
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage (V
CC
)
7V
Voltage at Any Pin
b
0 3V to V
CC
a
0 3V
Total Current into V
CC
Pin (Source)
100 mA
Total Current out of GND Pin (Sink)
110 mA
Storage Temperature Range
b
65 C to
a
140 C
Note
Absolute maximum ratings indicate limits beyond which damage to the
device may occur DC and AC electrical specifications are not ensured when
operating the device at absolute maximum ratings
DC Electrical Characteristics
b
40 C
s
T
A
s
a
85 C unless otherwise specified
Parameter
Conditions
Min
Typ
Max
Units
Operating Voltage
2 7
5 5
V
Power Supply Ripple (Note 1)
Peak-to-Peak
0 1 V
CC
V
Supply Current (Note 2)
CKI
e
10 MHz
V
CC
e
5 5V t
c
e
1 ms
16 5
mA
CKI
e
4 MHz
V
CC
e
4 0V t
c
e
2 5 ms
6 5
mA
HALT Current (Note 3)
V
CC
e
5 5V CKI
e
0 MHz
12
m
A
IDLE Current CKI
e
10 MHz
V
CC
e
5 5V t
c
e
1 ms
3 5
mA
CKI
e
1 MHz
V
CC
e
4 0V t
c
e
10 ms
0 7
mA
Input Levels
RESET
Logic High
0 8 V
CC
Logic Low
0 2 V
CC
CKI (External and Crystal Osc Modes)
V
Logic High
0 7 V
CC
Logic Low
0 2 V
CC
All Other Inputs
Logic High
0 7 V
CC
Logic Low
0 2 V
CC
Hi-Z Input Leakage
V
CC
e
5 5V
b
2
a
2
m
A
Input Pullup Current
V
CC
e
5 5V
40
250
m
A
G and L Port Input Hysteresis
0 05 V
CC
0 35 V
CC
V
Output Current Levels
D Outputs
Source
V
CC
e
4 5V V
OH
e
3 3V
0 4
mA
Sink (Note 4)
V
CC
e
4 5V V
OL
e
1V
10
mA
All Others
Source (Weak Pull-Up Mode)
V
CC
e
4 5V V
OH
e
2 7V
10
100
m
A
Source (Push-Pull Mode)
V
CC
e
4 5V V
OH
e
3 3V
0 4
mA
Sink (Push-Pull Mode)
V
CC
e
4 5V V
OL
e
0 4V
1 6
mA
TRI-STATE Leakage
V
CC
e
5 5V
b
2
a
2
m
A
Allowable Sink Source
Current per Pin
mA
D Outputs (Sink)
15
All others
3
Maximum Input Current
T
A
e
25 C
g
100
mA
without Latchup (Note 5)
RAM Retention Voltage V
r
500 ns Rise
2
V
and Fall Time (Min)
Input Capacitance
7
pF
Load Capacitance on D2
1000
pF
Note 1
Rate of voltage change must be less then 0 5V ms
Note 2
Supply current is measured after running 2000 cycles with a square wave CKI input CKO open inputs at rails and outputs open
Note 3
The HALT mode will stop CKI from oscillating in the RC and the Crystal configurations by bringing CKI high Test conditions All inputs tied to V
CC
L and G
ports in the TRI-STATE mode and tied to ground all outputs low and tied to ground The clock monitor is disabled
Note 4
The user must guarantee that D2 pin does not source more than 10 mA during RESET If D2 sources more than 10 mA during RESET the device will go
into programming mode
Note 5
Pins G5 and RESET are designed with a high voltage input network for factory testing These pins allow input voltages greater than V
CC
and the pins will
have sink current to V
CC
when biased at voltages greater than V
CC
(the pins do not have source current when biased at a voltage below V
CC
) The effective
resistance to V
CC
is 750X (typical) These two pins will not latch up The voltage at the pins must be limited to less than 14V
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AC Electrical Characteristics
b
40 C
s
T
A
s
a
85 C unless otherwise specified
Parameter
Conditions
Min
Typ
Max
Units
Instruction Cycle Time (t
c
)
Crystal or Resonator
1
DC
m
s
R C Oscillator
3
DC
Inputs
t
SETUP
200
ns
t
HOLD
60
Output Propagation Delay
R
L
e
2 2k C
L
e
100 pF
t
PD1
t
PD0
m
s
SO SK
4V
s
V
CC
s
6V
0 7
All Others
4V
s
V
CC
s
6V
1
MICROWIRE
TM
Setup Time (t
UWS
)
20
MICROWIRE Hold Time (t
UWH
)
56
ns
MICROWIRE Output Propagation Delay (t
UPD
)
220
Input Pulse Width
Interrupt Input High Time
1
Interrupt Input Low Time
1
t
c
Timer Input High Time
1
Timer Input Low Time
1
Reset Pulse Width
1
m
s
TL DD 12524 4
FIGURE 2 MICROWIRE PLUS Timing
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