Features: ` Read-Only Memory (ROM) - 131072 * 8bits (LC8772C8B) - 114688 * 8bits (LC8772B2B) - 98304 * 8bits (LC877296B) -81920 * 8bits (LC877280B)` Random Access Memory (RAM): 2048 * 9 bits (LC8772C8B, LC8772B2B, LC877296B, LC877280B)` Minimum Bus Cycle Time: 100 ns (10 MHz) Note: The bus cycle t...
LC877296B: Features: ` Read-Only Memory (ROM) - 131072 * 8bits (LC8772C8B) - 114688 * 8bits (LC8772B2B) - 98304 * 8bits (LC877296B) -81920 * 8bits (LC877280B)` Random Access Memory (RAM): 2048 * 9 bits (LC8772...
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Parameter | Symbol | Pins | Conditions |
Ratings |
unit | ||||
VDD[V] |
min. |
typ |
max. | ||||||
Maximum supply voltage |
VDDMAX | VDD1,VDD2, VDD3 | VDD1=VDD2=VDD3 |
-0.3 |
+7.0 |
V | |||
Supply voltage for LCD |
VLCD | V1/PL4, V2/PL5, V3/PL6 |
VDD1=VDD2=VDD3 |
-0.3 |
VDD | ||||
Input voltage | VI | Port L XT1,XT2,CF1, RES |
-0.3 |
VDD+0.3 | |||||
Input/output voltage |
VIO(1) | •Port0, 1, 3, 7, 8 •Port A, B, C, D, E, F |
-0.3 |
VDD+0.3 | |||||
High level output current |
Peak output current |
IOPH(1) | Ports 0,1, 3 |
•CMOS output selected •Current at each pin. |
-10 |
mA | |||
IOPH(2) | Port71,72,73 | Current at each pin |
-3 |
||||||
IOPH(3) | Port A, B, C, D, E, F | Current at each pin |
-5 |
||||||
Total output current |
IOAH(1) | Port 0, 1, 32, 33, 34, 35 | Total of all pins |
-40 |
|||||
IOAH(2) | Port 30,31 | Total of all pins. |
-10 |
||||||
IOAH(3) | Port 7 | Total of all pins |
-5 |
||||||
IOAH(4) | Port A, B, C | Total of all pins |
-25 |
||||||
IOAH(5) | Port D, E, F | Total of all pins |
-25 |
||||||
Low level output current |
Peak output curren |
IOPL(1) | Port 0, 1, 32-35 | Current at each pin |
30 | ||||
IOPL(2) | Port 30, 31 | Current at each pin |
20 | ||||||
IOPL(3 | Port 7, 8 | Current at each pin |
5 | ||||||
IOPL(4) | Port A, B,C, D, E, F | Current at each pin |
15 | ||||||
Total output current |
IOAL(1) | Port 0, 1, 32, 33, 34, 35 | Total of all pins |
60 | |||||
IOAL(2) | Ports 30,31 | Total of all pins |
60 | ||||||
IOAL(3) | Port 7,8 | Total of all pins |
20 | ||||||
IOAL(4) | Port A,B,C | Total of all pins |
40 | ||||||
IOAL(5) | Port D, E, F |
Total of all pins |
40 | ||||||
Maximum power dissipation |
Pdmax | QIP100E | Ta=-30 to+70°C | mW | |||||
SQFP100 | |||||||||
Operating temperature range |
Topr |
-30 |
70 |
||||||
Storage temperature range |
Tstg |
-55 |
125 |
The LC8772C8B, LC8772B2B LC877296B and LC877280B are 8 bit single chip microcontrollers with the following on-chip functional blocks :
- CPU: operable at a minimum bus cycle time of 100 ns
- On-chip ROM Maximum Capacity : LC8772C8B 128K bytes
LC8772B2B 112K bytes
LC877296B 96K bytes
LC877280B 80K bytes
- On-chip RAM capacity: 2048 bytes
- LCD controller / driver
- 16 bit timer / counter (can be divided into two 8 bit timers)
- 16 bit timer / PWM (can be divided into two 8 bit timers)
- Timer for use as date / time clock
- Synchronous serial I/O port (with automatic block transmit / receive function)
- Asynchronous / synchronous serial I/O port
- 12-channel × 8-bit AD converter
- Small signal detector
- 14-source 10-vectored interrupt system
All of the above functions are fabricated on a single chip.