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TC9328AF Datasheet(PDF) 5 Page - Toshiba Semiconductor |
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TC9328AF Datasheet(HTML) 5 Page - Toshiba Semiconductor |
5 / 84 page TC9328AF 2002-02-07 5 Pin No. Symbol Pin Name Function and Operation Remarks 32~34 P2-0~P2-2 I/O port 2 35 P2-3/PSC I/O port 2 /Prescaller /PSC output The input and output of these 4-bit I/O ports can be programmed in 1-bit units. The P2-3 pin is also used as a PLL prescaller PSC signal output pin. A PLL can be configured using an external prescaller. In such a case, set the pin to I/O port output. 54~57 P3-0~P3-3 I/O port 3 58~61 P5-0/ADin1~ P5-3/ADin4 I/O port 5 /AD analog voltage input 62~69 P6-0~P7-3 I/O port 6, 7 4-bit I/O ports, allowing input and output to be programmed in 1 bit units. Pins P5-0 to P5-3 can also be used for analog input to the built-in 6-bit, 4-channel AD converter. The conversion time of the built-in AD converter using the successive comparison method is 280 µs. The necessary pin can be programmed to AD analog input in 1-bit units. Up to the doubled voltage VDB (VDD × 2) can be input as the AD input voltage. The I/O ports are N-ch open drain output. Up to the VDB voltage can be applied to the AD input pins, and up to 3.6 V can be applied to the I/O port pins. I/O port 3 can obtain N-ch high-output current (2 mA typ.) even at low voltage. The AD converter and all associated controls are performed via sortware. VLCD VDD Input instruction Input instruction VDD To AD converter |
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