91400 RM (IM) Ohsawa No.6686-1/21
Ver.1.02
11800
Preliminary
Overview
The LC86F1216A is an 8-bit single chip microcontroller with the following on-chip functional blocks:
- CPU: Operable at a minimum bus cycle time of 0.5
μ
s
- On-chip Flash EEPROM capacity: 144 Kbytes
- On-chip RAM capacity: 1222 bytes
- Dot matrix liquid crystal display controller / driver
- 16-bit timer/counter (or two channels
×
8-bit timer)
- 16-bit timer/PWM (or two channels
×
8-bit timer)
- Serial interface circuit
All of the above functions are fabricated on a single chip.
Features
(1)Flash EEPROM:
64K
×
8 bits:
16K
×
8 bits:
(2) Mask ROM:
4K
×
8 bits:
(3) Random Access Memory (RAM):
512
×
8 bits (calculation area) + 512
×
8 bits
198
×
8 bits (display area)
(4) Bus Cycle Time
Bus Cycle Time
Cycle Time System Clock Oscillation Oscillation Frequency
0.5
μ
s
1.0
μ
s
Ceramic
3.8
μ
s
7.5
μ
s
External RC
93
μ
s
183
μ
s
X’tal
Note: Bus cycle time means cycle time of reading ROM. OCR7: Bit 7 of the oscillation control register
(5) Ports
- Input / Output Ports:
2 ports (16 terminals)
- Input port:
1 port (4 terminals)
(program/data area) + 64K
×
8 bits (data area)
(program area)
(4K: BIOS program area)
Voltage
Notes
OCR7 = 1
OCR7 = 1
OCR7 = 1
6MHz
600kHz
32.768kHz
3.15–3.85V
8-Bit Single Chip Microcontroller with
16K-Byte ROM and 1220-Byte RAM On Chip
LC86F1216A
Ordering number : ENN*6686
CMOS IC