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PDF COP87L88FH Data sheet ( Hoja de datos )
| Número de pieza | COP87L88FH | |
| Descripción | 8-Bit CMOS OTP Microcontrollers with 16k Memory/ | |
| Fabricantes | National Semiconductor | |
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September 1999
COP87L88FH
8-Bit CMOS OTP Microcontrollers with 16k Memory,
Comparators, USART and Hardware Multiply/Divide
General Description
The COP87L88FH OTP (One Time Programmable) micro-
controllers are highly integrated COP8™ Feature core de-
vices with 16k memory and advanced features including
Analog comparators, and Hardware Multiply/Divide. These
multi-chip CMOS devices are suited for applications requir-
ing a full featured controller with comparators, a full-duplex
USART, and hardware multiply/divide functions, and as
pre-production devices for a masked ROM design. Lower
cost pin and software compatible 12k ROM versions are
available (COP888FH), as well as a range of COP8 software
and hardware development tools.
Family features include an 8-bit memory mapped architec-
ture, 10 MHz CKI (-XE = crystal oscillator; -TE = external
clock) with 1µs instruction cycle, hardware multiply/divide
functions, three multi-function 16-bit timer/counters with
PWM, full duplex USART, MICROWIRE/PLUS™, two Analog
comparators, two power saving HALT/IDLE modes, MIWU,
idle timer, WATCHDOG™ and clock monitor logic, low EMI
2.7V to 5.5V operation, and 28/40/44 pin packages.
Devices included in this data sheet are:
Device
COP87L84FH
COP87L88FH
Memory (bytes)
16k OTP EPROM
16k OTP EPROM
RAM (bytes)
512
512
I/O Pins
24
36/40
Packages
28 DIP/SOIC
40 DIP, 44 PLCC
Temperature
-40 to +85˚C
-40 to +85˚C
Key Features
CPU/Instruction Set Features
n Hardware Multiply/Divide Functions
n 1 µs instruction cycle time
n
n
Full duplex USART
Three 16-bit timers, each with
two 16-bit registeDrsataSheent4F—UouE.rcxtetoeermnnaml uInlttie-sroruuprct e vectored
interrupts
servicing
supporting:
— Idle Timer T0
— Processor Independent PWM mode
— Three Timers (Each with 2 Interrupts)
— External Event counter mode
— MICROWIRE/PLUS
— Input Capture mode
— Multi-Input Wake Up
n 16 kbytes on-board EPROM with security features
— Software Trap
n 512 bytes on-board RAM
— USART (2)
— Default VIS (default interrupt)
Additional Peripheral Features
n Idle Timer
n Multi-Input Wakeup (MIWU) with optional interrupts (8)
n Two analog comparators
n Versatile and easy to use instruction set
n 8-bit Stack Pointer (SP) — stack in RAM
n Two 8-bit Register Indirect Data Memory Pointers
(B and X)
n WATCHDOG and Clock Monitor logic
n MICROWIRE/PLUS serial I/O
Fully Static CMOS
n Two power saving modes: HALT and IDLE
I/O Features
n Software selectable I/O options ( TRI-STATE® ,
n Single supply operation: 2.7V–5.5V
n Temperature ranges: −40˚C to +85˚C
Push-Pull, Weak Pull-Up, and High Impedance)
n Schmitt trigger inputs on ports G and L
n Packages:
— 40 DIP with 36 I/O pins
— 44 PLCC with 40 I/O pins
Development Support
n Emulation device for COP888FH
n Real time emulation and full program debug offered by
MetaLink Development System
— 28 DIP/SO with 24 I/O pins
COP8™ is a trademark of National Semiconductor Corporation.
MICROWIRE™ is a trademark of National Semiconductor Corporation.
MICROWIRE/PLUS™ is a trademark of National Semiconductor Corporation.
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
WATCHDOG™ is a trademark of National Semiconductor Corporation.
iceMASTER™ is a trademark of MetaLink Corporation.
© 1999 National Semiconductor Corporation DS101135
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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (VCC)
Voltage at Any Pin
7V
−0.3V to VCC + 0.3V
Total Current into VCC Pin (Source)
Total Current out of GND Pin (Sink)
100 mA
110 mA
Storage Temperature Range
−65˚C to +140˚C
Note 1: 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
−40˚C ≤ TA ≤ +85˚C unless otherwise specified
Parameter
Conditions
Min Typ
Max
Units
Operating Voltage
2.7 5.5 V
Power Supply Ripple (Note 2)
Supply Current (Note 3)
Peak-to-Peak
0.1 VCC
V
CKI = 10 MHz
CKI = 4 MHz
HALT Current (Note 4)
IDLE Current
VCC = 5.5V, tc = 1 µs
VCC = 5.5V, tc = 2.5 µs
VCC = 5.5V, CKI = 0 MHz
VCC = 4.0V, CKI = 0 MHz
12.5
5.5
<5 10
<3 6
mA
mA
µA
µA
CKI = 10 MHz
CKI = 4 MHz
Input Levels
VCC = 5.5V, tc = 1 µs
VCC = 5.5V, tc = 2.5 µs
3.5 mA
2.5 mA
RESET
Logic High
Logic Low
CKI (All Other Inputs)
0.8 VCC
0.2 VCC
V
V
Logic High
Logic Low
Hi-Z Input Leakage
Input Pullup Current
G and L Port Input Hysteresis
Output Current Levels
0.7 VCC
DataSheet4U.com
VCC = 5.5V, VIN = 0V
VCC = 5.5V, VIN = 0V
(Note 6)
−2
−40
0.2 VCC
+2
−250
0.35 VCC
V
V
µA
µA
V
D Outputs
Source
Sink
All Others
VCC = 4.5V, VOH = 3.3V
VCC = 2.7V, VOH = 1.8V
VCC = 4.5V, VOL = 1V
VCC = 2.7V, VOL = 0.4V
−0.4
−0.2
10
2.0
mA
mA
mA
mA
Source (Weak Pull-Up Mode)
Source (Push-Pull Mode)
Sink (Push-Pull Mode)
TRI-STATE Leakage
Allowable Sink/Source
VCC = 4.5V, VOH = 2.7V
VCC = 2.7V, VOH = 1.8V
VCC = 4.5V, VOH = 3.3V
VCC = 2.7V, VOH = 1.8V
VCC = 4.5V, VOL = 0.4V
VCC = 2.7V, VOL = 0.4V
VCC = 5.5V
−10
−2.5
−0.4
−0.2
1.6
0.7
−2
−100
−33
+2
µA
µA
mA
mA
mA
mA
µA
Current per Pin
D Outputs (Sink)
15 mA
All others
3 mA
Maximum Input Current
Room Temp
±200
mA
without Latchup (Notes 5, 6)
RAM Retention Voltage, Vr
500 ns Rise
and Fall Time (Min)
2
V
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Reset (Continued)
EXTERNAL OSCILLATOR
CKI can be driven by an external clock signal. CKO is avail-
able as a general purpose input and/or HALT restart control.
Crystal Oscillator
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RC > 5 x Power Supply Rise Time
DS101135-8
FIGURE 6. Recommended Reset Circuit
Oscillator Circuits
The chip can be driven by a clock input on the CKI input pin
which can be between DC and 10 MHz. The CKO output
clock is on pin G7 (crystal configuration). The CKI input fre-
quency is divided down by 10 to produce the instruction
cycle clock (tc).
Figure 7 shows the Crystal and R/C oscillator diagrams.
DS101135-9
External Oscillator
CRYSTAL OSCILLATOR
CKI and CKO can be connected to make a closed loop crys-
tal (or resonator) controlled oscillator.
Table 1 shows the component values required for various
standard crystal values.
DS101135-10
R/C Oscillator
R/C OSCILLATOR
By selecting CKI as a single pin oscillator input, a single pin
R/C oscillator circuit can be connected to it. CKO is available
as a general purpose input, and/or HALT restart input. DataSheet4U.com
Table 2 shows the variation in the oscillator frequencies as
functions of the component (R and C) values.
DS101135-11
FIGURE 7. Crystal R/C, and
External Oscillator Diagrams
TABLE 1. Crystal Oscillator Configuration, TA = 25˚C
R1 R2 C1
(kΩ) (MΩ) (pF)
C2
(pF)
CKI Freq
Conditions
(MHz)
0 1 30 30–36 10 VCC = 5V
0 1 30 30–36 4 VCC = 5V
0 1 200 100–150 0.455 VCC = 5V
TABLE 2. RC Oscillator Configuration, TA = 25˚C
RC
(kΩ) (pF)
3.3 82
5.6 100
6.8 100
CKI Freq
(MHz)
2.2 to 2.7
1.1 to 1.3
0.9 to 1.1
Instr. Cycle
(µs)
3.7 to 4.6
7.4 to 9.0
8.8 to 10.8
Conditions
VCC = 5V
VCC = 5V
VCC = 5V
Note: 3k ≤ R ≤ 200k
50 pF ≤ C ≤ 200 pF
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