MC68HC705P6A Datasheet, PDF (20/130 Pages) Motorola, Inc – HCMOS Microcontroller Unit

General Description
available in either a 28-pin plastic dual in-line (PDIP) or a 28-pin small
outline integrated circuit (SOIC) package.
A functional block diagram of the MC68HC705P6A is shown in
Figure 1-1.
1.3 Features
Advance Information
20
Features of the MC68HC705P6A include:
• Low cost
• M68HC05 core
• 28-pin SOIC, PDIP, or windowed DIP package
• 4672 bytes of user EPROM (including 48 bytes of page zero
EPROM and 16 bytes of user vectors)
• 239 bytes of bootloader ROM
• 176 bytes of on-chip RAM
• 4-channel 8-bit A/D converter
• SIOP serial communications port
• 16-bit timer with output compare and input capture
• 20 bidirectional I/O lines and 1 input-only line
• PC0 and PC1 high-current outputs
• Single-chip, bootloader, and test modes
• Power-saving stop, halt, and wait modes
• Static EPROM mask option register (MOR) selectable options:
– COP watchdog timer enable or disable
– Edge-sensitive or edge- and level-sensitive external interrupt
– SIOP most significant bit (MSB) or least significant bit (LSB)
first
– SIOP clock rates: OSC divided by 8, 16, 32, or 64
– Stop instruction mode, STOP or HALT
– EPROM security external lockout
– Programmable keyscan (pullups/interrupts) on PA0–PA7
General Description
MC68HC705P6A — Rev. 2.0
MOTOROLA