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PDF HPC36104 Data sheet ( Hoja de datos )
| Número de pieza | HPC36104 | |
| Descripción | (HPC46164 / HPC36164 / HPC46104 / HPC36104) High-Performance microController with A/D | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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January 1993
HPC36164 46164 HPC36104 46104
High-Performance microController with A D
General Description
The HPC46164 and HPC46104 are members of the HPCTM
family of High Performance microControllers Each member
of the family has the same core CPU with a unique memory
and I O configuration to suit specific applications The
HPC46164 has 16k bytes of on-chip ROM The HPC46104
has no on-chip ROM and is intended for use with external
memory Each part is fabricated in National’s advanced
microCMOS technology This process combined with an ad-
vanced architecture provides fast flexible I O control effi-
cient data manipulation and high speed computation
The HPC devices are complete microcomputers on a single
chip All system timing internal logic ROM RAM and I O
are provided on the chip to produce a cost effective solution
for high performance applications On-chip functions such
as UART up to eight 16-bit timers with 4 input capture regis-
ters vectored interrupts WATCHDOGTM logic and MICRO-
WIRE PLUSTM provide a high level of system integration
The ability to address up to 64k bytes of external memory
enables the HPC to be used in powerful applications typical-
ly performed by microprocessors and expensive peripheral
chips The term ‘‘HPC46164’’ is used throughout this data-
sheet to refer to the HPC46164 and HPC46104 devices un-
less otherwise specified
The HPC46164 and HPC46104 have as an on-board pe-
ripheral an 8-channel 8-bit Analog-to-Digital Converter This
A D converter can operate in a single-ended mode where
the analog input voltage is applied across one of the eight
input channels (D0–D7) and AGND The A D converter can
also operate in differential mode where the analog input
voltage is applied across two adjacent input channels The
A D converter will convert up to eight channels in single-
ended mode and up to four channel pairs in differential
mode
The microCMOS process results in very low current drain
and enables the user to select the optimum speed power
product for his system The IDLE and HALT modes provide
further current savings The HPC is available only in an
80-pin PQFP package
Features
Y HPC family core features
16-bit architecture both byte and word
16-bit data bus ALU and registers
64k bytes of external direct memory addressing
FAST 200 ns for fastest instruction when using
20 0 MHz clock 134 ns at 30 0 MHz
High code efficiency most instructions are single
byte
16 x 16 multiply and 32 x 16 divide
Eight vectored interrupt sources
Four 16-bit timer counters with 4 synchronous out-
puts and WATCHDOG logic
MICROWIRE PLUS serial I O interface
CMOS very low power with two power save modes
IDLE and HALT
Y A D 8-channel 8-bit analog-to-digital converter with
g LSB non-linearity
Y UART full duplex programmable baud rate
Y Four additional 16-bit timer counters with pulse width
modulated outputs
Y Four input capture registers
Y 52 general purpose I O lines (memory mapped)
Y 16k bytes of ROM 512 bytes of RAM on-chip
Y ROMless version available (HPC46104)
Y Commercial (0 C to a70 C) and industrial (b40 C to
a85 C) temperature ranges
Block Diagram (HPC46164 with 16k ROM shown)
Series 32000 and TRI-STATE are registered trademarks of National Semiconductor Corporation
MOLETM HPCTM COPSTM microcontrollers WATCHDOGTM and MICROWIRE PLUSTM are trademarks of National Semiconductor Corporation
PC-AT is a registered trademark of International Business Machines Corp
SunOSTM is a trademark of Sun Microsystems
C1995 National Semiconductor Corporation TL DD 9682
TL DD 9682 – 1
RRD-B30M105 Printed in U S A
1 page  
A D Converter Specifications
VCC e 5V g10% (VSS b 0 05V) s Any Input s (VCC a 0 05V) fC e 20 MHz and Prescalar e fC 12
Parameter
Conditions
Min Typ Max
Units
Resolution
8 Bits
Reference Voltage Input
Absolute Accuracy
Non-Linearity
Differential Non-Linearity
Input Reference Resistance
AGND e 0V
VCC e 5 5V VREF e 5V
VCC e 5V VREF e 5V and
VCC e 4 5V VREF e 4 5V
VCC e 5 5V VREF e 5V
VCC e 5V VREF e 5V and
VCC e 4 5V VREF e 4 5V
VCC e 5 5V VREF e 5V
VCC e 5V VREF e 5V and
VCC e 4 5V VREF e 4 5V
3
16
VCC
V
g2 LSB
g LSB
g LSB
4 8 kX
Common Mode Input Range (Note 9)
DC Common Mode Error
AGND
VREF
g
V
LSB
Off Channel Leakage Current
g2 mA
On Channel Leakage Current
g2 mA
A D Clock Frequency (Note 8)
0 1 1 67 MHz
Conversion Time (Note 7)
12 5 A D Clock Cycles
Note 7 Conversion Time includes sample and hold time See following diagrams
Note 8 See Prescalar description
Note 9 For VIN(b) l VIN(a) the digital output code will be 0000 0000 Two on-chip diodes are tied to each analog input The diodes will forward conduct for analog
input voltages below ground or above the VCC supply Be careful during testing at low VCC levels (4 5V) as high level analog inputs (5 0V) can cause this input
diode to conduct especially at elevated temperatures and cause errors for analog inputs near full-scale The spec allows 50 mV forward bias of either diode This
means that as long as the analog VIN does not exceed the supply voltage by more than 50 mV the output code will be correct To achieve an absolute 0 VDC to
5 0VDC input voltage range will therefore require a minimum supply voltage of 4 950 VDC over temperature variations initial tolerance and loading
Timing Diagram
TL DD 9682 – 11
Note The trigger condition generated by the start conversion method selected by the SC bits requires one CK2 to propagate through before the trigger condition is
known Once the trigger condition is known the sample and hold will start at the next rising edge of ADCLK The figure shows worst case
5
5 Page 
Timing Waveforms (Continued)
FIGURE 9 UPI Read Timing
TL DD 9682 – 9
FIGURE 10 UPI Write Timing
TL DD 9682 – 10
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet HPC36104.PDF ] | |
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