MC68HC705KJ1 Datasheet, PDF (15/108 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Programmable Options
1.3 Programmable Options
The options in Table 1-1 are programmable in the mask option register.
Table 1-1. Programmable Options
Feature
COP watchdog timer
External interrupt triggering
Port A IRQ pin interrupts
Port pulldown resistors
STOP instruction mode
Crystal oscillator internal resistor
EPROM security
Short oscillator delay counter
Option
Enabled or disabled
Edge-sensitive only or edge- and level-sensitive
Enabled or disabled
Enabled or disabled
Stop mode or halt mode
Enabled or disabled
Enabled or disabled
Enabled or disabled
1.4 Pin Functions
Pin assignments are shown in Figure 1-2 with the functions described in the following subsections.
RESET 1
OSC1 2
16 IRQ/V_PP
15 PA0
OSC2 3
14 PA1
PB3 4
13 PA2
PB2 5
12 PA3
V_DD 6
V_SS 7
PA7 8
11 PA4
10 PA5
9 PA6
Figure 1-2. Pin Assignments
MC68HC705KJ1 • MC68HRC705KJ1 • MC68HLC705KJ1 Data Sheet, Rev. 4.1
Freescale Semiconductor
15