UPD7225 datasheet(13/50 Pages) RENESAS

tên linh kiện	UPD7225

Giải thích chi tiết về linh kiện	MOS INTEGRATED CIRCUIT

PDF	50 Pages

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nhà sản xuất	RENESAS [Renesas Technology Corp]

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13 / 50 page

Data Sheet S14308EJ6V1DS

µµµµPD7225

Figure 2-2. 14-Segment LCD

The 14-segment type LCD can be used only in the divide-by-4 time division mode. For the 14-segment LCD type,

connect segments and commons as follows:

SEGn + 3

SEGn + 2

SEGn + 1

SEGn

COM3

COM2

COM1

COM0

;;;

;

;;

;;;

;

;;

;

;;

;

;;

SEGn

SEGn + 1

SEGn + 2

SEGn + 3

COM0

COM1

COM2

COM3

: h, i, k, n

: d, e, f

: a, b, c, DP

: g, j, l, m

: a, g, h

: b, i, j, f

: c, e, k, l

: d, m, n, DP

The following shows the input data and display pattern, and the configuration of the display data which is

automatically written into the data memory. For the 7-segment type, the lower 4 bits (D3 to D0) are decoded. For the

14-segment type, the input data and display pattern correspond to 8-bit ASCII code. The first address to which the

display data is written is indicated as address N.

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