LC868016 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)
LC868016/12/08A
: LC868016A
: LC868012A
: LC868008A
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 time Instruction cycle time System clock oscillation
0.5µs
1µs
Ceramic (CF)
2.0µs
4µs
Ceramic (CF)
7.5µs
15µs
Internal RC
3.8µs
7.5µs
183µs
366µs
Crystal (XTAL)
91.5
183µs
* Bus cycle time means ROM-read period.
OCR7 : Bit-7 of the oscillation control register.
Oscillation frequency
12MHz
6MHz
3MHz
1.5MHz
800kHz
32.768kHz
Voltage
4.5-6.0V
2.5-6.0V
2.5-6.0V
2.5-6.0V
Note
OCR7=0
OCR7=1
OCR7=0
OCR7=1
OCR7=0
OCR7=1
OCR7=0
OCR7=1
(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
(1/64 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
No.6723-2/28