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68HC05PL4B Datenblatt(PDF) 12 Page - Freescale Semiconductor, Inc

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

68HC05PL4B Datenblatt(HTML) 12 Page - Freescale Semiconductor, Inc

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GENERAL RELEASE SPECIFICATION
April 30, 1998
GENERAL DESCRIPTION
MC68HC05PL4
1-2
REV 2.0
1.2
MCU BLOCK DIAGRAM
Figure 1-1. MC68HC05PL4 Block Diagram
NOTE
A line over a signal name indicates an active low signal. Any reference to voltage,
current, or frequency speci ed in the following sections will refer to the nominal
values. The exact values and their tolerance or limits are speci ed in Electrical
Speci cations section.
USER ROM - 4k BYTES
USER RAM - 256 BYTES
ACCUMULATOR
INDEX REGISTER
STACK POINTER
PROGRAM COUNTER
CONDITION CODE REGISTER
M68HC05
CPU
RESET
0
12
1
1 H I NZC
OSC
POWER
OSC1
VDD
VSS
PB4- PB7
4
1 1
7
0
7
50
1
0
0
0
0
0
0
4
15
0
7
KEYBOARD
INTERRUPT
WATCHDOG
SYSTEM
PA6
PA5
PA4
PA3/TCMP
PA2/TCAP
PA1/DTMF
PA0†
4
16-BIT
PROGRAMMABLE TIMER
VERY LOW
FREQUENCY OSC
(RC: 500kHz or 20kHz)
(÷ N OPTIONAL)
DTMF
MODULE
LED/IRQ
LED
DRIVE
PC0 - PC7
8
8-BIT RELOADABLE
EVENT TIMER
PB0/KBI0
PB1/KBI1
PB2/KBI2
PB3/KBI3
OSC2††
††Available on MC68HC05PL4B only.
†Available on MC68HC05PL4 only.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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