LC866548/40/32/28/24A
(2) Random Access Memory (RAM)
: LC866548A/40A/32A
LC866528A/24A
1152 8 bits
896 × 8 bits
×
(3) Bus Cycle Time / Instruction Cycle Time
The bus cycle time indicates the speed to read ROM.
Bus cycle time
Cycle time
Clock divider
System clock oscillation
Oscillation Frequency Voltage
0.5µs
1µs
1/1
1/2
1/2
1/2
Ceramic resonator oscillation
Ceramic resonator oscillation
RC resonator oscillation
Crystal oscillation
6MHz
3MHz
4.5 - 6.0V
4.5 - 6.0V
4.5 - 6.0V
4.5 - 6.0V
2 s
µ
4 s
µ
7.5µs
15µs
800MHz
32.768kHZ
183 s
366 s
µ
µ
Note : External resisters (Rf, Rd) are required when X’tal oscillation is used.
(4) Ports
- Input/output ports
: 3 ports (16 terminals : port 1, 7, 8)
Input/output port programmable in a bit
- 15V withstand Input/output ports
: 2 ports (16 terminals)
Input/output port programmable nibble unit
: 1 port (8 terminals : port 0)
(When the N-channel open drain output is selected, the data in a bit can be inputted.)
Input/output port programmable in a bit
- Input port
- VFD output port
: 1 port (8 terminals : port 3)
: 2 ports (6 terminals : port 7, 8)
: 52 terminals
Large current output for digit
Pull-down resistor option available
- Other function
: 16 terminals
Input/output port
Input port
: 2 ports
: 3 ports
(12 terminals : port F, G)
(24 terminals : port C, D, E)
(5) VFD automatic display controller
- Segment/digit output pattern programmable
Any segment/digit combination available
VFD parallel-drive available
- 16-step dimmer function available
(6) AD converter
- 8-channels 8-bit AD converter
×
(7) Serial interface
- 1-channel 16-bit serial interface circuits
×
- 1-channel 8-bit serial interface circuits
×
- LSB first/MSB first function available
- Internal 8-bit baud-rate generator in common with two serial interface circuits
- SIO automatic transmission available (2-32 byte data can be transmitted with program automatically and
continuously.)
No.6700-2/21
SANYO [ SANYO SEMICON DEVICE ]
