参数资料
型号: MC68HC705CT4FN
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 2.048 MHz, MICROCONTROLLER, PQCC44
封装: PLASTIC, LCC-44
文件页数: 152/152页
文件大小: 668K
代理商: MC68HC705CT4FN
MC68HC705CT4 Rev. 2.0
General Release Specification
MOTOROLA
Comparators
99
NON-DISCLOSURE
AGREEMENT
REQUIRED
General Release Specification — MC68HC705CT4
Section 13. Comparators
13.1 Contents
13.2 Introduction
Port D shares its pins with CMP3+/PD0, CMP1–/PD1 and
CMP12+/PD2, CMP2–/PD3 of the comparators. The output of the
comparators is a status bit internal to the MCU. This circuitry is used for
the comparison of analog signals, with a digital output. The comparator
circuitry may be powered up by setting the CEN1, CEN2, and the CEN3
bits in the comparator control/status register. This register is located at
$0022 and is cleared by reset. The state of the comparator output bit
upon RESET is logic 0. For further electrical information see Section 17.
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