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68HC05PL4B Datasheet(PDF) 11 Page - Freescale Semiconductor, Inc

Part # 68HC05PL4B
Description  Industry standard 8-bit M68HC05 CPU core
PDF  98 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

68HC05PL4B Datasheet(HTML) 11 Page - Freescale Semiconductor, Inc

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April 30, 1998
GENERAL RELEASE SPECIFICATION
MC68HC05PL4
GENERAL DESCRIPTION
REV 2.0
1-1
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.
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
Table 1-1.
MC68HC05PL4 and MC68HC05PL4B Differences
Device
Pin 27
MC68HC05PL4
PA0
MC68HC05PL4B
OSC2
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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