LC877424A

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 100ns On-chip ROM Maximum Capacity: LC877448A 48K bytes LC877440A 40K bytes LC877432A 32K bytes LC877424A 24K bytes On-chip RAM capacity: 1536 bytes LCD controller / driver 16 bit timer / counter (can be divided into 8 bit timers) 16 bit timer (can be divided into 8 bit timers, 8 bit timer can be PWM) Four 8 bit timer with prescalers Timer for use as date / time clock Synchronous serial I/O port (with automatic block transmit / receive function) Asynchronous / synchronous serial I/O port 15 channel × 8 bit AD converter Small signal detector High-speed clock counter System clock divider 20 source 10 vectored interrupt system Package Dimensions unit: mm 3151A [ LC877448A/40A/32A/24A ] unit: mm 3274 [ LC877448A/40A/32A/24A ] Ver.1.02 O1502 22504 TN IM SK No.7776-1/22 LC877448A/40A/32A/24A 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 ti...