uPD789871 Subseries 8-Bit Single-Chip Microcontrollers PUM
uPD789871 Subseries 8-Bit Single-Chip Microcontrollers PUM
uPD789871 Subseries 8-Bit Single-Chip Microcontrollers PUM
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11.2 VFD Controller/Driver Configuration<br />
CHAPTER 11 VFD CONTROLLER/DRIVER<br />
The VFD controller/driver consists of the following hardware.<br />
Table 11-2. Configuration of VFD Controller/Driver<br />
Item Configuration<br />
Display 25<br />
Control register Display mode register 0 (DSPM0)<br />
Display mode register 1 (DSPM1)<br />
Display mode register 2 (DSPM2)<br />
Figure 11-1. Block Diagram of VFD Controller/Driver<br />
Internal bus<br />
Display data memory<br />
Display data selector<br />
Display data latch<br />
Port output latch<br />
High-voltage buffer<br />
FIP0 FIP9/P97 FIP24/P80<br />
Preliminary User’s Manual U14938EJ1V0UM<br />
105
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