mc68hc05pl4b Freescale Semiconductor, Inc, mc68hc05pl4b Datasheet - Page 11

• Manufacturer Part Number: mc68hc05pl4b
• Description: Low-cost Single-chip Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

1.1
MC68HC05PL4
REV 2.0
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
MC68HC05PL4B, unless otherwise stated.
FEATURES
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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
to
Freescale Semiconductor, Inc.
For More Information On This Product,
MC68HC05PL4
MC68HC05PL4
MC68HC05PL4B
GENERAL DESCRIPTION
GENERAL DESCRIPTION
Go to: www.freescale.com
Device
SECTION 1
April 30, 1998
apply
Pin 27
OSC2
PA0
to
GENERAL RELEASE SPECIFICATION
both
MC68HC05PL4
and
1-1