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KS57C3204 Datasheet(PDF) 5 Page - Samsung semiconductor |
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KS57C3204 Datasheet(HTML) 5 Page - Samsung semiconductor |
5 / 38 page ![]() KS57C3204/P3204 PRODUCT OVERVIEW 1-5 PIN DESCRIPTIONS Table 1-1. KS57C3204 Pin Descriptions Pin Name Pin Type Description Number Share Pin Reset Value Circuit Type P1.0 P1.1 P1.2 P1.3 I/O 4-bit I/O port. 1-bit or 4-bit read, write, and test are possible. Each pin can be specified as input or output port. Pull-up resistors can be configured by software. 17 18 19 20 INT0 INT1 INT2 INT4 Input D-4 P2.0 P2.1 P2.2 P2.3 I 4-bit input port. 1-bit and 4-bit read and test are possible. Pull-up resistors can be configured by software. 1 2 3 4 – – FMF AMF Input A-4 A-4 B-4 B-4 P3.0 P3.1 P3.2 P3.3 I 4-bit input port. 1-bit and 4-bit read and test are possible Pull-up resistors can be configured by software. 5 6 7 8 ADC0 ADC1 ADC2 ADC3 Input F-13 P4.0–P4.3 P5.0–P5.3 I/O 4-bit I/O ports. N-channel open-drain output up to 5 V. 1-bit and 4-bit read, write, and test are possible. Ports 4 and 5 can be paired to support 8-bit data. Pull-up resistors can be configured by software. 21–24 25–28 – – Input E-2 P6.0 P6.1 P6.2 P6.3 I/O 1-bit and 4-bit read, write, and test are possible. Each pin can be specified as input or output port. Pull-up resistors can be configured by software. 29 30 31 32 BUZ KS0 KS1 KS2 Input D-2 D-4 D-4 D-4 SEG0–SEG19 O LCD segment signal output 60–41 – Output H-16 P8.0–P8.3 P9.0–P9.3 O 4-bit output ports. 1-bit and 4-bit write and test are possible. Ports 8 and 9 can be paired to support 8-bit data. 33–36 37–40 SEG27– SEG20 Output H-16 COM0–COM3 O LCD common signal output 64–61 – Output H-16 V DD – Main power supply 9 – – – V SS – Main ground 10 – – – X OUT, XIN – 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) 11,12 – – – XT OUT, XTIN – Crystal oscillator pin for a subsystem clock. (For external clock input, use XT IN and input XT IN's reverse phase to XT OUT) 15,14 – – – |