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PDF HT82K75RE Data sheet ( Hoja de datos )
| Número de pieza | HT82K75RE | |
| Descripción | 2.4GHz Transceiver 8-Bit OTP MCU | |
| Fabricantes | Holtek Semiconductor | |
| Logotipo |  |
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HT82M75R/HT82M75RE/HT82M75REW
HT82K75R/HT82K75RE/HT82K75REW
2.4GHz Transceiver 8-Bit OTP MCU
Features
· Operating voltage:
fSYS= 6MHz: 1.8V~3.3V
· Internal 6MHz RC oscillator for fSYS
· Power down and wake-up functions to reduce
power consumption
· Two bit to define microcontroller system clock
(fSYS/1, fSYS/2, fSYS/4)
· All instructions executed in one or two machine
cycles
· Table read instructions
· 63 powerful instructions
· 6-level subroutine nesting
· Bit manipulation instruction
· Program Memory: 4K´15
· Data Memory: 128´8~160´8
· Watchdog Timer function
· Up to 40 bidirectional I/O lines with pull-high options
· All I/O pins have falling and rising edge wake-up
function
· Single 16-bit internal timer with overflow interrupt
and timer input
· SPI interface shared with I/O lines
· Low voltage reset function (LVR) for DC_DC output
controlled by configuration option
· Built-in DC/DC to provide stable 2.8V, 3.0V, 3.3V
with error ±5% selected by configuration options
· Low voltage detector (LVD) with levels
1.8V/2.0V/2.2V/2.5V/2.8V ±5% for battery input
(BAT_IN) selected by application program
· Wide range of available package types
· Optional Peripheral -- EEPROM Memory with
128´8 capacity
· Optional Peripheral -- RF Transceiver with 2.4GHz
RF frequency
General Description
The device is an 8-bit high performance, RISC architec-
ture microcontroller devices specifically designed for
multiple I/O, mouse/keyboard appliances and SPI con-
trol product applications. The advantages of low power
consumption, I/O flexibility, Timer functions, Watchdog
timer, Power Down, wake-up functions together with the
optional peripherals such as EEPROM Memory and RF
transceiver provide the devices with versatility for indus-
trial control, consumer products, subsystem controllers,
RF module control, etc.
Rev. 1.00
1 March 15, 2010
1 page  
HT82M75R/HT82M75RE/HT82Mw7w5wR.DEatWaSheet4U.com
HT82K75R/HT82K75RE/HT82K75REW
D.C. Characteristics
Ta=25°C
Symbol
Parameter
Test Conditions
VDD Conditions
Min.
VBAT
BAT_IN Operating Voltage
¾
¾
1.8
IDD Operating Current (Crystal OSC) 3V No load, fSYS= 6MHz
¾
ISTB Standby Current
¾
No load, system HALT
WDT disable, LVR disable
¾
VIL1
Input Low Voltage for I/O
(Schmitt Trigger)
¾
¾
0
VIH1
Input High Voltage for I/O
(Schmitt Trigger)
¾
¾ 0.7VDD
VIL2 Input Low Voltage (RES)
¾
¾
0
VIH2 Input High Voltage (RES)
¾
¾ 0.9VDD
IOL1 Other I/O Pins Sink Current
3V VOL=0.1VDD
4
IOH1 Other I/O Pins Source Current 3V VOH=0.9VDD
-2.5
RPH1
Other Pins Internal Pull-high
Resistance
3V
¾
10
Typ.
2.2
3
¾
¾
¾
¾
¾
¾
-4.5
30
Max.
3.3
6
20
0.3VDD
VDD
0.3VDD
VDD
¾
¾
50
Unit
V
mA
mA
V
V
V
V
mA
mA
kW
A.C. Characteristics
Symbol
Parameter
fSYS
tRCSYS
tWDT1
tRES
tSST
tLVR
tWake-up
tconfigure
System Clock
Watchdog OSC Period
Watchdog Time-out Period with
6-stage Prescaler
External Reset Low Pulse Width
System Start-up Timer
Low Voltage Width to Reset
MCU Wake-up Timer
Watchdog Time-out Period
Test Conditions
VDD Conditions
3V ¾
3V ¾
3V WDTS=1
¾¾
¾¾
¾¾
¾¾
¾¾
Ta=25°C
Min.
5.7
¾
¾
1
¾
0.25
¾
¾
Typ.
6
71
4.57
¾
512
1
¾
1024
Max. Unit
6.3 MHz
¾ ms
¾ ms
¾ ms
¾ 1/fSYS
2 ms
1 ms
¾ tRCSYS
Rev. 1.00
5 March 15, 2010
5 Page 
HT82M75R/HT82M75RE/HT82Mw7w5wR.DEatWaSheet4U.com
HT82K75R/HT82K75RE/HT82K75REW
tempreg1
tempreg2
mov
mov
tabrdl
dec
tabrdl
org
dc
db ?
db ?
:
:
a,06h
tblp,a
:
:
tempreg1
tblp
; temporary register #1
; temporary register #2
; initialise table pointer - note that this address
; is referenced
; to the last page or present page
; transfers value in table referenced by table pointer
; to tempregl
; data at prog. memory address ²F06H² transferred to
; tempreg1 and TBLH
; reduce value of table pointer by one
tempreg2
:
:
F00h
; transfers value in table referenced by table pointer
; to tempreg2
; data at prog.memory address ²F05H² transferred to
; tempreg2 and TBLH
; in this example the data ²1AH² is transferred to
; tempreg1 and data ²0FH² to register tempreg2
; the value ²00H² will be transferred to the high byte
; register TBLH
; sets initial address of last page
00Ah, 00Bh, 00Ch, 00Dh, 00Eh, 00Fh, 01Ah, 01Bh
:
:
Because the TBLH register is a read-only register and cannot be restored, care should be taken to ensure its protection
if both the main routine and Interrupt Service Routine use the table read instructions. If using the table read instructions,
the Interrupt Service Routines may change the value of TBLH and subsequently cause errors if used again by the main
routine. As a rule it is recommended that simultaneous use of the table read instructions should be avoided. However,
in situations where simultaneous use cannot be avoided, the interrupts should be disabled prior to the execution of any
main routine table-read instructions. Note that all table related instructions require two instruction cycles to complete
their operation.
Rev. 1.00
11 March 15, 2010
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet HT82K75RE.PDF ] | |
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