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PDF 68HC705PL4 Data sheet ( Hoja de datos )
| Número de pieza | 68HC705PL4 | |
| Descripción | SPECIFICATION (General Release) | |
| Fabricantes | Freescale Semiconductor | |
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Freescale Semiconductor
HC05wPwLw4.DGataRShSee/t4HU.com
REV 2.0
68HC05PL4
68HC05PL4B
68HC705PL4
68HC705PL4B
SPECIFICATION
(General Release)
April 30, 1998
Consumer Systems Group
Semiconductor Products Sector
© Freescale Semiconductor, Inc., 2004. All rights reserved.
For More Information On This Product,
Go to: www.freescale.com
1 page  
Freescale Semiconductor, Inc.
April 30, 1998
GENERAL RELEASE SPEwCwIwF.IDCaAtaSThIeOet4NU.com
Section
TABLE OF CONTENTS
Page
7.4 PORT C ........................................................................................................... 7-3
7.5 SUMMARY OF PORT A AND PORT B SHARED PINS .................................. 7-3
SECTION 8
SYSTEM CLOCKS
8.1 SYSTEM CLOCK SOURCE AND FREQUENCY OPTION.............................. 8-1
SECTION 9
16-BIT PROGRAMMABLE TIMER
9.1 TIMER REGISTERS (TMRH, TMRL)............................................................... 9-2
9.2 ALTERNATE COUNTER REGISTERS (ACRH, ACRL) .................................. 9-4
9.3 INPUT CAPTURE REGISTERS ...................................................................... 9-5
9.4 OUTPUT COMPARE REGISTERS ................................................................. 9-6
9.5 TIMER CONTROL REGISTER (TCR) ............................................................. 9-8
9.5.1 Miscellaneous Control and Status Register for Timer16 ............................. 9-9
9.6 TIMER STATUS REGISTER (TSR)............................................................... 9-10
9.7 16-BIT TIMER OPERATION DURING WAIT MODE ..................................... 9-11
9.8 16-BIT TIMER OPERATION DURING STOP MODE .................................... 9-11
SECTION 10
8-BIT TIMER
10.1
10.2
10.3
10.4
10.5
10.6
OVERVIEW.................................................................................................... 10-1
TIMER8 CONTROL AND STATUS REGISTER (T8CSR) ............................. 10-2
TIMER8 COUNTER REGISTER (T8CNTR) .................................................. 10-3
COMPUTER OPERATING PROPERLY (COP) WATCHDOG ...................... 10-3
8-BIT TIMER OPERATION DURING WAIT MODE ....................................... 10-4
8-BIT TIMER OPERATION DURING STOP MODE ...................................... 10-4
SECTION 11
DIGITAL TO ANALOG CONVERTER
11.1
11.2
11.3
11.4
DAC CONTROL AND DATA REGISTER ...................................................... 11-1
DAC OPERATION DURING WAIT MODE .................................................... 11-1
DAC OPERATION DURING STOP MODE.................................................... 11-1
DAC CHARACTERISTICS ............................................................................ 11-2
SECTION 12
INSTRUCTION SET
12.1 ADDRESSING MODES ................................................................................. 12-1
12.1.1 Inherent...................................................................................................... 12-1
12.1.2 Immediate .................................................................................................. 12-1
12.1.3 Direct ......................................................................................................... 12-2
12.1.4 Extended.................................................................................................... 12-2
12.1.5 Indexed, No Offset..................................................................................... 12-2
12.1.6 Indexed, 8-Bit Offset .................................................................................. 12-2
MC68HC05PL4
REV 2.0
For More Information On This Product,
Go to: www.freescale.com
iii
5 Page 
Freescale Semiconductor, Inc.
April 30, 1998
GENERAL RELEASE SPEwCwIwF.IDCaAtaSThIeOet4NU.com
SECTION 1
GENERAL DESCRIPTION
The MC68HC05PL4 HCMOS microcontroller is a member of the M68HC05 Fam-
ily of low-cost single-chip microcontroller units (MCUs). This MCU is designed
speci cally f or the handset and base set of cost-sensitive CT0/1 analog cordless
phones.
References to MC68HC05PL4 apply to both MC68HC05PL4 and
MC68HC05PL4B, unless otherwise stated.
Table 1-1. MC68HC05PL4 and MC68HC05PL4B Differences
Device
MC68HC05PL4
MC68HC05PL4B
Pin 27
PA0
OSC2
1.1 FEATURES
• Industry standard 8-bit M68HC05 CPU core
• Bus frequency: 2.56MHz @ 4V and 1MHz @ 2V
• Built-in low-frequency RC oscillator (500kHz and 20kHz)
• OSC input pin (OSC output pin on MC68HC05PL4B)
• 256 bytes of user RAM
• 4k-bytes of user ROM
• ROM security
• 23 (22 for MC68HC05PL4B) bidirectional I/O lines with:
– 4 keyboard interrupts with pull-up resistor
– 6 high current sink pins
• Open-drain output for LED drive
• Multiplexed DTMF output with built-in 6-bit D/A
• 16-bit programmable timer with input capture and output compare
functions
• Reloadable 8-bit event timer
• COP watchdog reset
• Power saving STOP and WAIT modes
• Available in 28-pin PDIP, SOIC, and SSOP packages
MC68HC05PL4
REV 2.0
GENERAL DESCRIPTION
For More Information On This Product,
Go to: www.freescale.com
1-1
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| PDF Descargar | [ Datasheet 68HC705PL4.PDF ] | |
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