参数资料
型号: MC68HC05V12CFNR2
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC68
封装: PLASTIC, LCC-68
文件页数: 61/135页
文件大小: 2080K
代理商: MC68HC05V12CFNR2
General Description
MCU Structure
MC68HC05V12 Rev. 2.0
Technical Data
MOTOROLA
General Description
25
NON-DISCLOSURE
AGREEMENT
REQUIRED
23 general-purpose input/output (I/O) pins:
Eight I/O pins with interrupt wakeup capability
Eight I/O pins multiplexed with timer, PWMs, and serial
peripheral interface (SPI) pins
Seven general-purpose I/O pins
Five input-only pins multiplexed with A/D
On-chip H-bridge driver circuitry to drive six gauges:
Four minor gauges
Two major gauges
Mask option selectable low-voltage reset (LVR)
Power-saving stop mode and wait mode instructions (mask option
selectable STOP instruction disable)
1.4 MCU Structure
The overall block diagram of the MC68HC05V12 is shown in
NOTE:
A line over a signal name indicates an active low signal. For example,
RESET is active high and RESET is active low. Any reference to voltage,
current, or frequency specified in the following sections will refer to the
nominal values. The exact values and their tolerance or limits are
1.5 Selectable Mask Options
These mask options are selectable:
Sensitivity on IRQ interrupt, edge- and level-sensitive or edge-
sensitive only
Selectable COP watchdog system enable/disable
Selectable low-voltage reset (LVR) to hold the central processor
unit (CPU) in reset
Selectable STOP instruction disable
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