SH6511B Description
SH6511/SH6511B is a single chip 4 b it µC dedicated chip for handheld games. This device integrates a SH6610 4-bit CPU core with RAM, ROM, timer, 2-channel PSG, and dot matrix LCD driver. SH6511/SH6511B Block Diagram Segment Driver SEG1 - 40 LCD RAM RAM 2-Channel PSG TIMER0 MISC.
SH6511B Key Features
- SH6610-based s ingle-chip 4-bi t M icrocontroller with LCD driver
- ROM: 16 K × 16 bits (bank switched)
- RAM: 512 × 4 bit s (system co ntrol register & data memory)
- Operating Voltage Range: 2.4V
- 8 CMOS I/O ports
- 4 level subroutine nesting including interrupts`
- One 8-bit timer with pre-divider circuit
- Warm-up timer for power-on reset
- Pow erful interrupt sources: -Timer0 interrupt -Port B interrupt (falling edge)
- System clock: 2 M Hz single-p in v oltage-controlled oscillator