LC72338

Ordering number : EN5157C CMOS LSI LC72336, 72338 Single-Chip Microcontrollers with Built-In LCD Driver and PLL Circuits Overview The LC72336 and LC72338 are single-chip microcontrollers for use in electronic tuners. These products include on chip a PLL circuit that can operate at up to 150 MHz and 1/3 duty LCD drivers. They feature a highly efficient instruction set and powerful hardware. Package Dimensions unit: mm 3174-QFP80E [LC72336, 72338] Functions High-speed programmable divider Program memory (ROM) — LC72336: 6143 × 16 bits (12 kB) — LC72338: 8191 × 16 bits (16 kB) Data memory (RAM): 512 × 4 bits All instructions are one-word instructions Cycle time: 1.33 µs Stack: 8 levels LCD drivers: Up to 96 segments (1/3 duty, 1/3 bias) Serial I/O: Up to 3 channels (8-bit 3-wire type) External interrupts: 2 interrupts (INT0, INT1) Interrupt on rising or falling edge (selectable) Internal interrupts: 3 interrupt Two built-in timer interrupts and 1 serial I/O interrupt Nested interrupt levels: 4 levels D/A converter: 4 channels (8-bit PWM output) A/D converter: 4 channels (6-bit successive approximation) General-purpose ports: — Input ports: 8 — Output ports: 12 (16 maximum) — I/O ports: 8 (20 maximum, can be switched between input and output in bit units.) PLL block: Supports 4 types of dead zone control, and includes a built-in unlock detection circuit. Supports 12 different reference frequencies. Universal counter: 20 bits (Can be used for e...