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68HC05P9A Datasheet(PDF) 11 Page - Freescale Semiconductor, Inc

Part # 68HC05P9A
Description  SPECIFICATION(General Release)
PDF  90 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

68HC05P9A Datasheet(HTML) 11 Page - Freescale Semiconductor, Inc

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GENERAL RELEASE SPECIFICATION
GENERAL DESCRIPTION
Rev. 2.0
1-1
SECTION 1
GENERAL DESCRIPTION
The MC68HC05P9A is a 28-pin device based on the MC68HC05P9. The memory
map includes 2112 bytes of user ROM and 128 bytes of RAM. The MCU has two
8-bit input/output (I/O) ports, A and C. Port B has three I/O pins and port D has
two pins, one that is I/O and the other input only. The MC68HC05P9A includes a
four-channel 8-bit analog-to-digital (A/D) converter, a simple serial I/O peripheral
(SIOP), and an on-chip mask programmable computer operating properly (COP)
watchdog circuit.
1.1
Features
•
Low Cost
•
HC05 Core
•
28-Pin Package
•
On-Chip Oscillator with RC or Crystal/Ceramic Resonator Mask Options
•
2112 Bytes of User ROM Including 16 User Vector Locations
•
ROM Security Feature
•
128 Bytes of On-Chip RAM
•
16-Bit Timer
•
20 Bidirectional I/O Lines, One Input-Only Line
•
Mask Programmable Keyscan (Pullups and Interrupt) on Eight Port Pins
(PA0 through PA7)
•
Two Port Pins with High Current Drive Capability (PC0, PC1)
•
User Mode
•
Four-Channel 8-Bit A/D Converter
•
Self-Check Mode
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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