 English |
|
|
|
|
|
|
|
| MC68HC05J3 Datasheet, PDF (16/92 Pages) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit | |||
| |||
| ◁ |
1
2048 bytes
User ROM
(plus 16 bytes user vectors)
240 bytes
self-check ROM
RESET
IRQ
OSC2
OSC1
8-bit timer and COP
watchdog system
Oscillator and divide by 2
128 bytes
RAM
Keyboard
Interrupt
16-bit timer
KI0
KI1
KI2
K!3
TCMP
TCAP
M68HC05
CPU
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB2
PB3
PB4
PB5
VDD
VSS
Figure 1-1 MC68HC05J3 block diagram
1.2
MC68HC05J3 mask options
There are four mask options on the MC68HC05J3 which are programmed during manufacture and
therefore must be speciï¬ed on the order form: IRQ sensitivity (edge sensitive or edge-and-level
sensitive), COP watchdog enable/disable, STOP instruction enable/disable and RC or crystal
clock selection.
MOTOROLA
1-2
INTRODUCTION
TPG
MC68HC05J3
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese