參數(shù)資料
型號: MC68HC05V12CFNR2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC68
封裝: PLASTIC, LCC-68
文件頁數(shù): 70/135頁
文件大小: 2080K
代理商: MC68HC05V12CFNR2
General Description
Functional Pin Descriptions
MC68HC05V12 Rev. 2.0
Technical Data
MOTOROLA
General Description
33
NON-DISCLOSURE
AGREEMENT
REQUIRED
1.6.13 IMAX
This pin is used to define the maximum coil current in the gauges by
connecting a resistor from this pin (RMAX) to ground as shown in
1.6.14 VPGC
This pin is the gauge power control pin for the external pass device.
1.6.15 VGSUP
This pin is the regulated gauge voltage input. Refer to 15.7 Coil
1.6.16 VSSG
Two pins are provided for a separate gauge driver ground, VSSG. Used
as the current return only for the coil driver circuitry, it is a high-current
pin.
1.6.17 VGVREF
This pin is the feedback pin for the gauge power regulator. External
the MC68HC705V12 are used to set the gauge input voltage at pin
VGSUP.
1.6.18 MAJA(B)1+, MAJA(B)1
, MAJA(B)2+, and MAJA(B)2
These pins are the full H-bridge coil driver pins. The A or B refer to pins
associated with major gauge A or gauge B, and pin 1+/
or pin 2+/ refer
to coil 1 or coil 2 of that major gauge and the direction of current flow.
Refer to 15.3 Gauge System Overview for more details on the
operation of these pins.
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