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: 71/135页
文件大小: 2080K
代理商: MC68HC05V12CFNR2
NON-DISCLOSURE
AGREEMENT
REQUIRED
General Description
Technical Data
MC68HC05V12 Rev. 2.0
34
General Description
MOTOROLA
1.6.19 MINA(B,C,D)1, MINA(B,C,D)2+, and MINA(B,C,D)2
MINA(B,C,D)2+ and MINA(B,C,D)2
are the full H-bridge driver pins
used with or for the minor gauges. These pins allow the coil current to be
reversed for movement of gauge pointer from 0 to 180 degrees.
MINA(B,C,D)1 is the low-side driver pin used with the minor gauges. The
current flow through the coil is restricted to one direction. Refer to
15.3 Gauge System Overview for more details on the operation of
these pins.
1.7 Power Supply Pin Connections
Refer to Figure 1-4 for a supply decoupling diagram.
Figure 1-4. Supply Decoupling Diagram
VDD
VSSD
0.1
F
VSSA
VCCA
A/D CONVERTER
0.1
F
SINGLE POINT
GROUND
DIGITAL
GAUGE REGISTER
GAUGE DRIVERS
DIGITAL CIRCUIT SUPPLY
DIGITAL CIRCUIT GROUND
VGSUP*
ANALOG
GROUND
ANALOG
SUPPLY
MODULES
**
VDD
VSSD
0.1
F
VPGC*
VSSG
0.1
F
* Refer to Section 15. Gauge Drivers for decoupling recommendations.
**Optional supply isolation circuit
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