SNC552 Description
I Bit3 ~ Bit0 of Input port 1 I/O Bit3 ~ Bit0 of I/O port 2 I/O Bit3 ~ Bit0 of I/O port 3 P Positive power supply P Negative power supply I Reset pin (active high) O Oscillator / Crystal Out O Positive Output of PWM or DA output O Negative Output of PWM Ver: 1.2 2 November 26, 2002 SNC552 Two Channel Direct Drive Speech Controller 5 FUNCTION DESCRIPTIONS 5.1. Oscillator SNC552 accept RC type oscillator for system...