MC812A4CPVE8 Freescale Semiconductor, MC812A4CPVE8 Datasheet - Page 17

• Manufacturer Part Number: MC812A4CPVE8
• Description: IC MCU 16BIT EEPROM 4K 112-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC12r

Specifications of MC812A4CPVE8

• Core Processor: CPU12
• Core Size: 16-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 83
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: EEPROM
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 112-LQFP
• Processor Series: HC812A
• Core: HC12
• Data Bus Width: 16 bit
• Data Ram Size: 1 KB
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 91
• Number Of Timers: 8
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 8 Channel
• Controller Family/series: 68HC12
• No. Of I/o's: 91
• Eeprom Memory Size: 4KB
• Ram Memory Size: 1KB
• Cpu Speed: 8MHz
• No. Of Timers: 1
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Chapter 1
General Description
1.1 Introduction
The MC68HC812A4 microcontroller unit (MCU) is a 16-bit device composed of standard on-chip
peripheral modules connected by an intermodule bus. Modules include:
1.2 Features
Features of the MC68HC812A4 include:
Freescale Semiconductor
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
16-bit central processor unit (CPU12)
Lite integration module (LIM)
Two asynchronous serial communications interfaces
(SCI0 and SCI1)
Serial peripheral interface (SPI)
Timer and pulse accumulator module
8-bit analog-to-digital converter (ATD)
1-Kbyte random-access memory (RAM)
4-Kbyte electrically erasable, programmable read-only memory (EEPROM)
Memory expansion logic with chip selects, key wakeup ports, and a phase-locked loop (PLL)
Low-power, high-speed M68HC12 CPU
Power-saving stop and wait modes
Memory:
–
–
–
Single-wire background debug mode
Non-multiplexed address and data buses
Seven programmable chip-selects with clock stretching (expanded modes)
8-channel, enhanced 16-bit timer with programmable prescaler:
–
–
16-bit pulse accumulator
Real-time interrupt circuit
Computer operating properly (COP) watchdog
Clock monitor
Phase-locked loop (PLL)
1024-byte RAM
4096-byte EEPROM
On-chip memory mapping allows expansion to more than 5-Mbyte address space
All channels configurable as input capture or output compare
Flexible choice of clock source
MC68HC812A4 Data Sheet, Rev. 7
17