KS57P21408 Datasheet | Samsung Semiconductor

OVERVIEW OVERVIEW PRODUCT OVERVIEW The KS57C21408/C21418/P21408 is a SAM47 core-based 4-bit CMOS single-chip microcontroller. It has a timer/counter and LCD drivers. The KS57P21408 is especially suited for use in data bank, telephone and LCD general purpose. It is built around the SAM47 core CPU and contains ROM, RAM, 39 I/O lines, programmable timer/counter, buzzer output, enough LCD dot matrix, and segment drive pins. The KS57C21408/C21418/P21408 can be used for dedicated control functions in a variety of applications, and is especially designed for multi data bank, telephone and LCD game. The KS57C21408/C21418 microcontroller is also available in OTP (One Time Programmable) version, KS57P21408. KS57P21408 microcontroller has an on-chip 8 K-byte one-time-programable EPROM instead of masked ROM. The KS57P21408 is parable to KS57C21408/C21418, both in function and in pin configuration. 1-1 PRODUCT OVERVIEW KS57C21408/C21418/P21408 FEATURES SUMMARY Memory - - - - 8192 × 8 bit program memory 5120 × 4 bit data memory in KS57C21408 2560 x 4 bit data memory in KS57C21418 108 x 5 bit display memory LCD Display - - - 12 characters dot matrix display (5 x 7) 12 digit display (8 segments) 60 segments and 9 mon pins Power-Down Modes - - Idle mode (only CPU clock stops) Stop mode (Main-System clock and CPU clock stops) 39 I/O Pins - - - Input: 6 pins I/O: 17 pins Output: maximum 16 pins for 1-bit level output (sharing with segment driver outputs) Oscillation Sources - - - - Crystal, ceramic, or External RC for system clock Main-system clock frequency: 0.4 MHz - 6MHz Sub-system clock frequency: 32,768k Hz CPU clock divider circuit (by 4,8, or 64) 8-Bit Basic Timer - Four internal timer functions 8-Bit Timer/Counter 0 - - - - Programmable 8-bit timer External event counter Arbitrary clock frequency output External clock signal divider Instruction Execution Times - - - 0.67, 1.33, 10.7 µs at 6MHz 0.95, 1.91, 15.3 µs at 4.19 MHz 122 µs at 32.768 k Hz Watch Timer...