DM-COP8/20D National Semiconductor, DM-COP8/20D Datasheet - Page 58
![no-image](/images/manufacturer_photos/0/4/469/national_semiconductor_sml.jpg)
DM-COP8/20D
Manufacturer Part Number
DM-COP8/20D
Description
CABLE FOR DEBUG MODULE 20-DIP
Manufacturer
National Semiconductor
Datasheet
1.DM-COP820D.pdf
(254 pages)
Specifications of DM-COP8/20D
Accessory Type
20-DIP Target Cable
For Use With/related Products
MetaLink Debug Module
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
*DM-COP8/20D
- Current page: 58 of 254
- Download datasheet (2Mb)
The External Oscillator mode can be selected by programming ECON Bit 3 to 0 and
ECON Bit 4 to 0. CKI can be driven by an external clock signal provided it meets the
specified duty cycle, rise and fall times, and input levels. G7/CKO is available as a
general purpose input G7 and/or Halt control. Figure 2-13 shows the external oscillator
connection diagram.
R/C Oscillator
The R/C Oscillator mode can be selected by programming ECON Bit 3 to 1 and ECON Bit
4 to 0. In R/C oscillation mode, CKI is left floating, while G7/CKO is available as a general
purpose input G7 and/or HALT control. The R/C controlled oscillator has on-chip resistor
and capacitor for maximum R/C oscillator frequency operation. The maximum frequency
is 5 MHz +/- 35% for V
For max frequency operation, the CKI pin should be left floating. For lower frequencies,
an external capacitor should be connected between CKI and GND. Table 2-4 shows the
oscillator frequency as a function of external capacitance on the CKI pin. Figure 2-14
shows the R/C oscillator configuration.
2-20
Table 2-4 R/C Oscillator Configuration, -40˚C to +85˚C, V
COP8SAx7 MICROCONTROLLER
External Capacitor
CC
between 4.5V to 5.5V and temperature range of -40˚C to +85˚C.
(pF)
TBD
150
52
0
9
Figure 2-13 External Oscillator
OSC Freq Variation of 35%
EXTERNAL
CLOCK
R/C OSC Freq
32 KHz
(MHz)
INPUT/or
Restart
HALT
5
4
2
1
Instr. Cycle
( Sec)
312.5
2.0
2.5
5.0
10
CC
= 4.5V to 5.5V,
Related parts for DM-COP8/20D
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![DM-COP8/28D](/images/manufacturer_photos/0/4/469/national_semiconductor_tmb.jpg)
Part Number:
Description:
CABLE FOR DEBUG MODULE 28-DIP
Manufacturer:
National Semiconductor
Datasheet:
![DM-COP8/44P](/images/manufacturer_photos/0/4/469/national_semiconductor_tmb.jpg)
Part Number:
Description:
CABLE FOR DEBUG MODULE 44-PLCC
Manufacturer:
National Semiconductor
Datasheet:
![DM61-J1-2-S2-05-Q](/photos/15/6/150699/dm61-j1-2-s2-05-q_tmb.jpg)
Part Number:
Description:
SWITCH ROCKER DPDT BLK
Manufacturer:
C&K Components
Datasheet:
![DM62J12S205Q](/photos/15/7/150719/dm62j12s205q_tmb.jpg)
Part Number:
Description:
SWITCH ROCKER POWER DPST 10A QC
Manufacturer:
C&K Components
Datasheet:
![DM22J12S205PQ](/photos/15/7/150722/dm22j12s205pq_tmb.jpg)
Part Number:
Description:
SWITCH PWR ROCKER DPST SNAP-IN
Manufacturer:
C&K Components
Datasheet:
![DM62J11S205Q](/photos/15/7/150726/dm62j11s205q_tmb.jpg)
Part Number:
Description:
SWITCH ROCKER DPST SNAP-IN QC
Manufacturer:
C&K Components
Datasheet:
![DM54J72S205Q3](/photos/15/7/150727/dm14j72s205q3__dm54j72s205q3_tmb.jpg)
Part Number:
Description:
SWITCH ROCKER SPST ILUM 10A/125V
Manufacturer:
C&K Components
Datasheet:
![DM61J12S205PQ](/photos/15/7/150750/dm61j12s205pq_tmb.jpg)
Part Number:
Description:
SWITCH ROCKER DPDT W/MRK QC
Manufacturer:
C&K Components
Datasheet:
![DM24J72S205Q6](/photos/15/7/150754/dm24j72s205q4__dm24j72s205q6__dm64j72s205q6__dm64j72s205q3_tmb.jpg)
Part Number:
Description:
SWITCH ROCKER POWER DPST 3A QC
Manufacturer:
C&K Components
Datasheet:
![DM64J72S205Q6](/photos/15/7/150754/dm24j72s205q4__dm24j72s205q6__dm64j72s205q6__dm64j72s205q3_tmb.jpg)
Part Number:
Description:
SWITCH ROCKER ILLUM 10A GRN
Manufacturer:
C&K Components
Datasheet:
![DM22J12S205Q](/photos/15/10/151010/dm22j12s205q_tmb.jpg)
Part Number:
Description:
SWITCH ROCKER DPST SNAP-IN QC
Manufacturer:
C&K Components
Datasheet:
![DM24J72S205Q4](/photos/15/7/150754/dm24j72s205q4__dm24j72s205q6__dm64j72s205q6__dm64j72s205q3_tmb.jpg)
Part Number:
Description:
SWITCH ROCKER POWER DPST 3A QC
Manufacturer:
C&K Components
Datasheet:
![DM21J12S205Q](/photos/38/60/386005/dm_247c82af6b6e19d2d4dbec7f03f8c106-en_tmb.jpg)
Part Number:
Description:
MINI ROCKER DPDT BLK
Manufacturer:
C&K Components
Datasheet:
![DM14J72S205Q3](/photos/15/7/150727/dm14j72s205q3__dm54j72s205q3_tmb.jpg)
Part Number:
Description:
SWITCH ROCKER POWER SPST 3A QC
Manufacturer:
C&K Components
Datasheet: