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부품번호 COP942CJ 기능
기능 8-Bit CMOS ROM Based Microcontrollers with 1k or 2k Memory/ Comparator and Brown Out Detector
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COP942CJ 데이터시트, 핀배열, 회로
September 1999
COP820CJ/COP840CJ Family
8-Bit CMOS ROM Based Microcontrollers with 1k or 2k
Memory, Comparator and Brown Out Detector
General Description
The COP820CJ/840CJ Family ROM based microcontrollers
are integrated COP8Base core devices with 1k or 2k
memory, an Analog comparator and Brownout detection.
These single-chip CMOS devices are suited for lower-
functionality applications where power and voltage fluctua-
tions are a consideration. Pin and software compatible (no
Brownout; different Vcc range) 4k/32k OTP versions are
available (COP87LxxCJ/RJ Family) for pre-production, and
for use with a range of COP8 software and hardware devel-
opment tools.
Family features include an 8-bit memory mapped architec-
ture, 10MHz CKI with 1us instruction cycle, one multi-
function 16-bit timer/counter, MICROWIRE/PLUSserial
I/O, one analog comparator, power saving HALT mode,
MIWU, on-chip R/C oscillator capacitor (COP840CJ), high
current outputs, software selectable I/O options, WATCH-
DOGtimer, modulator/timer, Brownout detector, Power on
Reset, 2.5v-6.0v operation, and 16/20/28 pin packages.
In this datasheet, the term COP820CJ refers to packages in-
cluding the COP820CJ, COP822CJ, and COP823CJ; and
COP840CJ refers to COP840CJ, COP842CJ, COP940CJ,
and COP942CJ.
Devices included in this data sheet are:
Device
COP820CJ
COP822CJ
COP823CJ
COP840CJ
COP940CJ
COP842CJ
COP942CJ
Memory (bytes)
1k ROM
1k ROM
1k ROM
2k ROM
2k ROM
2k ROM
2k ROM
RAM (bytes)
64
54
64
128
128
128
128
I/O Pins
24
16
12
24
24
16
16
Packages
28 DIP/SOIC
20 DIP/SOIC
16 SOIC
28 DIP/SOIC
28 DIP/SOIC
20 DIP/SOIC
20 DIP/SOIC
Temperature
-40 to +85˚C
-40 to +85˚C
-40 to +85˚C
-40 to +85˚C
-0 to +70˚C
-40 to +85˚C
-0 to +70˚C
Comments
Low EMI
2.5V-4.5V, CJH = 4V-6V
2.5V-4.5V, CJH = 4V-6V
Key Features
n Multi-Input Wake Up (on the 8-bit Port L)
n Brown out detector
n Analog comparator
n Modulator/timer (High speed PWM for IR transmission)
n 16-bit multi-function timer supporting
— PWM mode
— External event counter mode
— Input capture mode
n 1024 or 2048 bytes of ROM
n 64 or 128 bytes of RAM
n Quiet design (low radiated emissions)
n Integrated capacitor for the R/C oscillator for COP840CJ
I/O Features
n Software selectable I/O options (TRI-STATE® output,
push-pull output, weak pull-up input, high impedance
input)
n High current outputs (8 pins)
n Packages
— 16 SO with 12 I/O pins for COP820CJ
— 20 DIP/SO with 16 I/O pins
— 28 DIP/SO with 24 I/O pins
n Schmitt trigger inputs on Port G
n MICROWIRE/PLUS serial I/O
CPU/Instruction Set Feature
n 1 µs instruction cycle time
n Three multi-source vectored interrupts servicing
— External interrupt with selectable edge
— Timer interrupt
— Software interrupt
n 8-bit Stack Pointer (SP) — stack in RAM
n Two 8-bit register indirect data memory pointers (B, X)
Fully Static CMOS
n Low current drain (typically < 1 µA)
n Single supply operation: 2.5V to 6.0V
n Temperature ranges: −0˚C to +70˚C and −40˚C to +85˚C
Development Support
n Emulation and OTP devices
n Real time emulation and full program debug offered by
MetaLink Development System
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
COP8, MICROWIRE, MICROWIRE/PLUSand WATCHDOGare trademarks of National Semiconductor Corporation.
iceMASTER® is a registered trademark of MetaLink Corporation.
© 2000 National Semiconductor Corporation DS011208
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COP942CJ pdf, 반도체, 판매, 대치품
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
7.0V
−0.3V to VCC + 0.3V
Total Current into VCC pin (Source)
Total Current out of GND pin (sink)
80 mA
80 mA
Storage Temperature Range
−65˚C to +150˚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 de-
vice at absolute maximum ratings.
DC Electrical Characteristics
−0˚C TA + 70˚C for COP94x and −40˚C TA +85˚C for all others
Parameter
Conditions
Operating Voltage
Brown Out Disabled
COP94xCJ
Brown Out Disabled
COP94xCJH
Brown Out Disabled
Power Supply Ripple 1 (Note 2)
Peak to Peak
Supply Current (Note 3)
CKI = 10 MHz
CKI = 4 MHz
CKI = 4 MHz
CKI = 1 MHz
HALT Current with Brown Out
Disabled (Note 4)
VCC = 6V, tc = 1 µs
VCC = 6V, tc = 2.5 µs
VCC = 4.0V, tc = 2.5 µs
VCC = 4.0V, tc = 10 µs
VCC = 6V, CKI = 0 MHz
HALT Current with Brown Out
Enabled
VCC = 6V, CKI = 0 MHz
COP840CJ Supply Current (Note
3)
CKI = 10 MHz, R = 2.2k
CKI = 4 MHz, R = 4.7k
CKI = 4 MHz, R = 4.7k
CKI = 1 MHz, R = 20k
HALT Current with Brown Out
Disabled
VCC = 6V, tc = 1 µs
VCC = 6V, tc = 2.5 µs
VCC = 4.5V, tc = 2.5 µs
VCC = 4.5V, tc = 10 µs
VCC = 6V, CKI = 0 MHz
HALT Current with Brown Out
Enabled
VCC = 6V, CKI = 0 MHz
Brown Out Trip Level (Brown Out
Enabled)
COP840CJ Brown Out Trip Level
(Brown Out Enabled)
INPUT LEVELS (VIH, VIL)
Reset, CKI:
Logic High
Logic Low
All Other Inputs
Logic High
Logic Low
Hi-Z Input Leakage
Input Pullup Current
L- and G-Port Hysteresis (Note 6)
VCC = 6.0V
VCC = 6.0V, VIN = 0V
Min Typ Max Units
2.5 6.0 V
2.5 4.5 V
4.5 6.0 V
0.1 VCC
V
6.0 mA
3.5 mA
2.0 mA
1.5 mA
<1 10 µA
<50 110 µA
<2.2
<50
8.0 mA
6.0 mA
2.5 mA
1.5 mA
8 µA
100 µA
1.8 3.1
1.9 3.1
4.2 V
3.9 V
0.8 VCC
0.2 VCC
V
V
0.7 VCC
−2
−40
COP840CJ
0.05 VCC
0.2 VCC
+2
−250
0.35 VCC
V
V
µA
µA
V
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COP942CJ 전자부품, 판매, 대치품
Comparator DC and AC Characteristics
4V VCC 6V, −40˚C TA + 85˚C (Note 7)
Parameters
Input Offset Voltage
Input Common Mode Voltage Range
Conditions
0.4V < VIN < VCC − 1.5V
Voltage Gain
DC Supply Current (when enabled)
Response Time
VCC = 6.0V
100 mV Overdrive
500 mV Overdrive
1000 mV Overdrive
Note 7: For comparator output current characteristics see L-Port specs.
Min Type
Max
±10 ±25
0.4 VCC − 1.5
300k
250
60 100
140
80 125
165
135 215
300
Typical Performance Characteristics for COP820CJ
Dynamic — IDD vs VCC
(Crystal Clock Option)
Halt — IDD vs VCC
(Brown Out Disabled)
Halt — IDD vs VCC
(Brown Out Enabled)
Units
mV
V
V/V
µA
ns
ns
ns
DS011208-32
Ports L/G Weak
Pull-Up Source Current
Ports L/G Push-Pull
Source Current
DS011208-33
Ports L/G Push-Pull
Sink Current
DS011208-34
DS011208-35
DS011208-36
DS011208-37
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