LC877424A - Sanyo Electric

LC877424A 8-Bit Single-Chip Microcontroller

Ordering number : ENN*7776 CMOS IC LC877448A/40A/32A/24A 8 Bit Single Chip Microcontroller Incorporating 48K/40K/32K/24K Byte ROM and 1536 Byte RAM on Chip Preliminary Overview The LC877448A, LC877440A, LC877432A and LC877424A are 8 bit single chip microcontrollers with the following on-chip functional blocks: • CPU: operable at a minimum bus cycle time of.

Features

(1) Read-Only Memory (ROM)
• 49152 × 8 bits (LC877448A)
• 40960 × 8 bits (LC877440A)
• 32768 × 8 bits (LC877432A)
• 24576 × 8 bits (LC877424A) (2) Random Access Memory (RAM): 1536 × 9 bits (LC877448A, LC877440A, LC877432A, LC877424A) (3) Minimum Bus Cycle Time: 100 ns (10MHz) Note: The bus cycle time indicates ROM read time. (4) Minimum Instruction Cycle Time: 300 ns (10MHz) (5) Ports
• Input / output ports Data direction programmable for each bit individually: 26 (P1n, P30 to P35, P70 to P73, P8n) Data direction programmable in nibble units: 8 (P0n) (When N-channel open drain output is select.