ENA1841A Datasheet, PDF (1/30 Pages) ON Semiconductor – 8-bit 1-chip Microcontroller

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LC87F7932B
CMOS IC
32K-byte FROM and 2048-byte RAM integrated
8-bit 1-chip Microcontroller
http://onsemi.com
Overview
The LC87F7932B is an 8-bit microcontroller that, centered around a CPU running at a minimum bus cycle time of
250ns, integrates on a single chip a number of hardware features such as 32K-byte flash ROM (onboard
programmable), 2048-byte RAM, an on-chip debugger, an LCD controller/driver, two sophisticated 16-bit
timers/counters (may be divided into 8-bit timers), two 16-bit timers/counters (may be divided into 8-bit
timers/counters or 8-bit PWMs), four 8-bit timers with a prescaler, a real time clock function (RTC), a base timer
serving as a time-of-day clock, a synchronous SIO interface with automatic transfer function, an
asynchronous/synchronous SIO interface, a UART interface (full duplex), a 7-channel AD converter with a 12-/8-bit
resolution selector, a high-speed clock counter, a system clock frequency divider, an internal reset circuit, and a 21-
source 10-vector interrupt function.
Features
Flash ROM
• Capable of on-board programming with a wide supply voltage range of 3.0V to 5.5V
• 128-byte block erase
• 32768 × 8 bits
RAM
• 2048 × 9 bits
Minimum Bus Cycle Time
• 250ns (4MHz) VDD=2.4V to 3.6V
Note: The bus cycle time here refers to the ROM read speed.
Minimum Instruction Cycle Time (tCYC)
• 750ns (4MHz) VDD=2.4V to 3.6V
* This product is licensed from Silicon Storage Technology, Inc. (USA).
Semiconductor Components Industries, LLC, 2013
May, 2013
Ver.1.04
41812HKIM 20120328-S00004 No.A1841-1/30