MC68HC05X4 Datasheet, PDF (11/156 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Introduction
Mask options on the MC68HC05X4
OSC2
OSC1
VSS1
VDDH
TX0
TX1
RX0
RX1
RESET
MDS/TCAP(VPP)
VDD
VSS
COP watchdog
Oscillator
÷ 2 / ÷ 10
Line
interface
MCAN
M68HC05
CPU
16-bit
programmable
timer
4112 bytes
user ROM/EPROM
(including 16 bytes
user vectors)
239 bytes
bootstrap ROM
176 bytes
RAM
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7/TCMP
Figure 1. Functional block diagram
Mask options on the MC68HC05X4
There are two mask options on the MC68HC05X4. These bits are
programmed during manufacture and must be specified on the order
form.
• Oscillator division ratio selection (divide-by-2 or divide-by-10)
• COP watchdog timer (enable/disable)
3-intro
Introduction
For More Information On This Product,
Go to: www.freescale.com
MC68HC05X4 Rev 1.0