LC868116 Datasheet, PDF (2/28 Pages) Sanyo Semicon Device – 8-Bit Single Chip Microcontroller with 16/12/08K-Byte ROM and 640-Byte RAM On Chip

Features
(1) Read Only Memory (ROM)
LC868116/12/08A
: LC868116A
: LC868112A
: LC868108A
16384 × 8 bits
12288 × 8 bits
8192 × 8 bits
(2) Random Access Memory (RAM) : 512 × 8 bits (calculation area)
128 × 8 bits (display area)
(3) Bus Cycle Time / Instruction Cycle Time
Bus cycle Instruction System clock
time
cycle time oscillation
0.5µs
1µs
Ceramic (CF)
Oscillation
frequency
12MHz
6MHz
1µs
2µs
Ceramic (CF)
2µs
4µs
Ceramic (CF)
7.5µs
15µs
Internal RC
3.8µs
7.5µs
183µs
366µs Crystal (XTAL)
91.5µs
183µs
* Bus cycle time means ROM-read period.
OCR7 : Bit-7 of the oscillation control register.
6MHz
3MHz
3MHz
1.5MHz
800kHz
32.768kHz
Voltage
Note
4.5-6.0V
4.5-6.0V
2.5-6.0V
2.5-6.0V
2.5-6.0V
OCR7=0
OCR7=1
OCR7=0
OCR7=1
OCR7=0
OCR7=1
OCR7=0
OCR7=1
OCR7=0
OCR7=1
excluding
external memory
access function
for external
memory access
(4) Ports
- Input / output ports
: 6 ports (47 terminals)
Input/output port programmable in a nibble
: 1 port (8 terminals)
Input/output port programmable every function unit : 1 port (7 terminals)
Input/output port programmable in a bit
: 4 ports (32 terminals)
- Input port
: 1 port (4 terminals)
- Ports at external memory mode
1. External Latch
Port 0 : Address output of lower 8-bit, input/output of data
Port 2 : Address output of upper 8-bit
Port 5 : Bank address output
2. No External Latch
Port 0 : Input/output of data
Port 3 : Address output of lower 8-bit
Port 2 : Address output of upper 8-bit
Port 5 : Bank address output
(Set whether the external latch is used or not by program.)
- LCD segment driver output ports
: 48 terminals
(Function change available : segment/common)
- LCD common driver output ports
: 16 terminals
(1/32 duty maximum : at using segment output ports as common output by mask option)
(5) External memory access
- External program memory access function
External program memory capacity : 64K bytes
Programable switch internal program/external program
(At initial : Internal program)
Enable/disable control of external program ! internal program memory switch
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