ST6369 datasheet(45/71 Pages) STMICROELECTRONICS

tên linh kiện	ST6369

Giải thích chi tiết về linh kiện	8-BIT HCMOS MCU FOR DIGITAL CONTROLLED MULTI FREQUENCYMONITOR

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D7-D5. These bits are not used.

VSYNC. This bit reads the status of the VSYNC

pin. It is inverted with respect to the pin.

HSYNC. This bit reads the status of the HSYNC

latch. If a signal has been latched this bit will be

high.

AD2-AD0. These bits store the real time conver-

sion of the value present on the AD input pin. Un-

defined reset value.

D7, D6, D5, D4, D3. These bits are not used.

ADRR

AD Result Register

(E4H, Read Only)

D7 D6 D5 D4 D3 D2 D1 D0

AD2-AD0 A/D = Conv Result

HSYNC

VSYNC

Unused

Figure 53. A/D, HSYNC and VSYNC Result

OCR

Outputs Control Register

(E5H, Write Only)

D7 D6 D5 D4 D3 D2 D1 D0

O0 Data bit

O1 Data bit

A/D Shift Bit

Unuse d

Figure 54. Outputs Control Register

A/D COMPARATOR (Continued)

A/D Shift. This bit determines the voltage range of

the AFC input. Writing a zero will select the 0.5V to

4.5V range. Writing a one will select the 1.0V to

5.0V range. Undefined after reset.

O1,O0. These bits control the output pins O1,O0.

They are undefined after reset.

ST6369

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