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PDF HT48R066G Data sheet ( Hoja de datos )
| Número de pieza | HT48R066G | |
| Descripción | Enhanced I/O Type 8-bit OTP MCU | |
| Fabricantes | Holtek Semiconductor | |
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www.DataSheet4U.com
HT48R066G
Enhanced I/O Type 8-bit OTP MCU with OPA
Features
CPU Features
· Operating voltage:
fSYS= 4MHz: 2.2V~5.5V
fSYS= 8MHz: 3.0V~5.5V
fSYS= 12MHz: 4.5V~5.5V
· Program Memory: 4K´15
· Data Memory: 128´8
· Up to 0.33ms instruction cycle with 12MHz system
clock at VDD= 5V
· Idle/Sleep mode and wake-up functions to reduce
power consumption
· Oscillator types:
External high freuency Crystal -- HXT
External RC -- ERC
Internal high frequency RC -- HIRC
External low frequency crystal -- LXT
Internal low frequency RC -- LIRC
· Four operational modes: Normal, Slow, Idle, Sleep
· Fully integrated internal 4MHz, 8MHz and 12MHz
oscillator requires no external components
· Watchdog Timer function
· LIRC oscillator function for watchdog timer
· All instructions executed in one or two instruction
cycles
· Table read instructions
· 63 powerful instructions
· 4-level subroutine nesting
· Bit manipulation instruction
· Low voltage reset function
· 20-pin DIP/SOP/SSOP and
24/28-pin SKDIP/SOP/SSOP package types
Peripheral Features
· Up to 26 bidirectional I/O lines
· Software controlled 4-SCOM lines LCD COM driver
with 1/2 bias
· External interrupt input shared with an I/O line
· Two 8-bit programmable Timer/Event Counter with
overflow interrupt and prescaler
· Time-Base function
· Programmable Frequency Divider - PFD shared
with I/O line
· Two integrated operational amplifiers with interrupt
function - one with programmable gain control
· Single comparator with interrupt and low power
consumption
General Description
The device is an 8-bit high performance, RISC architec-
ture microcontrollers specifically designed for opera-
tional amplifier applications. The usual Holtek
microcontroller features of low power consumption, I/O
flexibility, timer functions, oscillator options, internal
comparator, internal operational amplifiers, power down
and wake-up functions, watchdog timer and low voltage
reset, combine to provide the device with a wide range
of functional options while still maintaining a high level
of cost effectiveness. The fully integrated system oscil-
lator HIRC, which requires no external components and
which has three frequency selections, opens up a huge
range of new application possibilities for this device,
some of which may include remote control appliances,
car reversing systems, level meters, consumer prod-
ucts, household appliances subsystem controllers, etc.
Rev. 1.00
1 February 26, 2010
1 page  
www.DataSheet4U.com
HT48R066G
D.C. Characteristics
Symbol
Parameter
VDD Operating Voltage
IDD1
Operating Current
(HXT, HIRC, ERC)
IDD2
Operating Current
(HXT, HIRC, ERC)
IDD3
Operating Current
(HXT, HIRC, ERC)
IDD4
Operating Current
(HIRC + LXT, Slow Mode)
ISTB1
Standby Current
(LIRC On, LXT Off)
ISTB2
Standby Current
(LIRC Off, LXT Off)
ISTB3
VIL1
VIH1
VIL2
VIH2
VLVR1
VLVR2
VLVR3
Standby Current
(LIRC Off, LXT On, LXTLP=1)
Input Low Voltage for I/O,
TCn and INT
Input High Voltage for I/O,
TCn and INT
Input Low Voltage (RES)
Input High Voltage (RES)
Low Voltage Reset
Low Voltage Reset
Low Voltage Reset
IOH I/O Port Source Current
IOL1
I/O Port Sink Current
(PA, PB, PC, PD)
IOL2 PA7 Sink Current
RPH Pull-high Resistance (I/O)
ISCOM SCOM Operating Current
VSCOM VDD/2 Voltage for LCD COM
Test Conditions
VDD Conditions
fSYS=4MHz
¾ fSYS=8MHz
fSYS=12MHz
3V
No load, fSYS=4MHz
5V
3V
No load, fSYS=8MHz
5V
5V No load, fSYS=12MHz
3V No load, fSYS=32768Hz
5V (LVR disabled, LXTLP=1)
3V
No load, system HALT
5V
3V
No load, system HALT
5V
3V
No load, system HALT
5V
¾¾
Min.
2.2
3.0
4.5
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
0
Ta=25°C
Typ. Max. Unit
¾
¾
¾
0.8
1.50
1.4
2.8
5.5
5.5
5.5
1.2
2.25
2.1
4.2
V
V
V
mA
mA
mA
mA
4 6 mA
5 10 mA
12 24 mA
¾ 5 mA
¾ 10 mA
¾ 1 mA
¾ 2 mA
¾ 5 mA
¾ 10 mA
¾ 0.3VDD V
¾¾
¾¾
¾¾
¾ VLVR=4.20V
¾ VLVR=3.15V
¾ VLVR=2.10V
3V
VOH=0.9VDD
5V
3V
VOL=0.1VDD
5V
5V VOL=0.1VDD
3V ¾
5V ¾
SCOMC, ISEL[1:0]=00
SCOMC, ISEL[1:0]=01
5V
SCOMC, ISEL[1:0]=10
SCOMC, ISEL[1:0]=11
5V No load
0.7VDD ¾ VDD V
0 ¾ 0.4VDD
0.9VDD ¾
VDD
3.98 4.20 4.42
2.98 3.15 3.32
1.98 2.10 2.22
-2 -4 ¾
-5 -10 ¾
4 8¾
10 20 ¾
2 3¾
20 60 100
10 30 50
17.5 25.0 32.5
35 50 65
70 100 130
140 200 260
0.475 0.500 0.525
V
V
V
V
V
mA
mA
mA
mA
mA
kW
kW
mA
mA
mA
mA
VDD
Rev. 1.00
5 February 26, 2010
5 Page 
www.DataSheet4U.com
HT48R066G
Program Memory
The Program Memory is the location where the user
code or program is stored. The device is supplied with
One-Time Programmable, OTP, memory where users
can program their application code into the device. By
using the appropriate programming tools, OTP devices
offer users the flexibility to freely develop their applica-
tions which may be useful during debug or for products
requiring frequent upgrades or program changes.
Structure
The Program Memory has a capacity of 4K´15. The
Program Memory is addressed by the Program Counter
and also contains data, table information and interrupt
entries. Table data, which can be setup in any location
within the Program Memory, is addressed by separate
table pointer registers.
Device
Capacity
HT48R066G
4K´15
Special Vectors
Within the Program Memory, certain locations are re-
served for special usage such as reset and interrupts.
· Reset Vector
This vector is reserved for use by the device reset for
program initialisation. After a device reset is initiated,
the program will jump to this location and begin execu-
tion.
· External interrupt vector
This vector is used by the external interrupt. If the ex-
ternal interrupt pin on the device receives an edge
transition, the program will jump to this location and
begin execution if the external interrupt is enabled and
the stack is not full. The external interrupt active edge
transition type, whether high to low, low to high or both
is specified in the CTRL1 register.
000H R eset
004H
E x te rn a l
In te rru p t
008H
T im e r 0
In te rru p t
00C H
T im e r 1
In te rru p t
010H
014H
T im e B a s e
In te rru p t
018H
M u lti- fu n c tio n
In te rru p t
· Timer/Event 0/1 counter interrupt vector
This internal vector is used by the Timer/Event Coun-
ters. If a Timer/Event Counter overflow occurs, the
program will jump to its respective location and begin
execution if the associated Timer/Event Counter inter-
rupt is enabled and the stack is not full.
· Time base interrupt vector
This internal vector is used by the internal Time Base.
If a Time Base overflow occurs, the program will jump
to this location and begin execution if the Time Base
counter interrupt is enabled and the stack is not full.
· Multi-function interrupt vector
This vector is used by the OPA0,OPA1 and Compara-
tor. When either an OPA or Comparator, dependent
upon which one is selected, requires interrupt servic-
ing, the program will jump to this location and begin
execution if the output interrupt is enabled and the
stack is not full.
Look-up Table
Any location within the Program Memory can be defined
as a look-up table where programmers can store fixed
data. To use the look-up table, the table pointer must
first be setup by placing the lower order address of the
look up data to be retrieved in the table pointer register,
TBLP. This register defines the lower 8-bit address of
the look-up table.
After setting up the table pointer, the table data can be
retrieved from the current Program Memory page or last
Program Memory page using the ²TABRDC[m]² or
²TABRDL [m]² instructions, respectively. When these in-
structions are executed, the lower order table byte from
the Program Memory will be transferred to the user de-
fined Data Memory register [m] as specified in the in-
struction. The higher order table data byte from the
Program Memory will be transferred to the TBLH special
register. Any unused bits in this transferred higher order
byte will be read as ²0².
F F F H 1 5 b its
Program Memory Structure
Rev. 1.00
11
February 26, 2010
11 Page | ||
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| PDF Descargar | [ Datasheet HT48R066G.PDF ] | |
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