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KS57C5304 Datasheet(PDF) 10 Page - Samsung semiconductor |
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KS57C5304 Datasheet(HTML) 10 Page - Samsung semiconductor |
10 / 40 page PRODUCT OVERVIEW KS57C5204/C5208/P5208/C5304/C5308/P5308/C5312/P5312 1-10 Table 1-2. KS57C5304/C5308/C5312 Pin Descriptions (Continued) Pin Name I/O Type Description Pin Number Share Pin Circuit Type DTMF O DTMF output. 22 (23) – G-6 INT0 I External interrupt input. The triggering edge for INT0 is selectable. 23 (25) P1.0 A-3 TCLO0 I/O Timer/counter 0 clock output 24 (26) P2.0 D-2 TCLO1 I/O Timer/counter 1 clock output 25 (27) P2.1 D-2 CLO I/O Clock output 26 (28) P2.2 D-2 BUZ I/O 2 kHz, 4 kHz, 8 kHz, or 16 kHz frequency output at the watch timer clock frequency of 4.19 MHz for buzzer sound 27 (29) P2.3 D-2 TCL0 I/O External clock input for timer/counter 0 28 (30) P3.0 D-4 TCL1 I/O External clock input for timer/counter 1 29 (31) P3.1 D-4 BTCO I/O Basic timer clock output 5 (5) P4.0 E-2 VDD – Power supply 30 (32) – – VSS – Ground 1 (1) – – XIN XOUT – Crystal, or ceramic oscillator signal for main system clock. (For external clock input, use XIN and input XIN's reverse phase to XOUT) 3 (3) 2 (2) – – NC – No connection (9, 24) – – TEST – Chip test input pin, Hold GND when the device is operating. 4 (4) – – RESET – RESET signal 7 (7) – B KS0-KS3 KS4-KS7 I/O Quasi-interrupt inputs with falling edge detection 14-17 (15-18) 18-21 (19-22) P6.0-P6.3 P7.0-P7.3 D-4 NOTE: Parentheses indicate the pin number for 32-SOP package. |
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