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KS57P2304 Datasheet(PDF) 6 Page - Samsung semiconductor |
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KS57P2304 Datasheet(HTML) 6 Page - Samsung semiconductor |
6 / 295 page PRODUCT OVERVIEW KS57C2302/C2304/P2304 MICROCONTROLLER 1- 6 Table 1-1. KS57P2304 Pin Descriptions (Continued) Pin Name Pin Type Description Number Share Pin Reset Value Circuit Type LCDSY I/O LCD synchronization clock output for LCD display expansion 26 P3.1 Input D TCL0 I External clock input for timer/counter 0 20 P1.3 Input A-4 TCLO0 I/O Timer/counter 0 clock output 21 P2.0 Input D INT0 INT1 I External interrupt. The triggering edge for INT0 and INT1 is selectable. Only INT0 is synchronized with the system clock. 17 18 P1.0 P1.1 Input A-4 INT2 I Quasi-interrupt with detection of rising edge signals. 19 P1.2 Input A-4 KS0–KS3 I/O Quasi-interrupt input with falling edge detection. 29–32 P6.0–P6.3 Input D CLO I/O CPU clock output 23 P2.2 Input D BUZ I/O 2, 4, 8 or 16 kHz frequency output for buzzer sound with 4.19 MHz main system clock or 32.768 kHz subsystem clock. 24 P2.3 Input D X IN, XOUT – Crystal, ceramic or RC oscillator pins for main system clock. (For external clock input, use X IN and input XIN’s reverse phase to X OUT) 12,11 – – – XT IN, XTOUT – Crystal oscillator pins for subsystem clock. (For external clock input, use XT IN and input XT IN’s reverse phase to XT OUT) 14,15 – – – V DD – Main power supply 9 – – – V SS – Ground 10 – – – RESET – Reset signal 16 – Input B TEST – Test signal input (must be connected to V SS) 13 – – – NOTE: Pull-up resistors for all I/O ports automatically disabled if they are configured to output mode. |
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