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LC87F1HC8AUWA-2H Datasheet, PDF (2/27 Pages) ON Semiconductor – 8-bit 1-chip Microcontroller with USB-host controller | |||
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LC87F1HC8A
ï®Bus Cycle Time
⢠83.3ns (When CF=12MHz)
Note: The bus cycle time here refers to the ROM read speed.
ï®Minimum Instruction Cycle Time (tCYC)
⢠250ns (When CF=12MHz)
ï®Ports
⢠I/O ports
Ports whose I/O direction can be designated in 1-bit units 28 (P10 to P17, P20 to P27, P30 to P34,
P70 to P73, PWM0, PWM1, XT2)
Ports whose I/O direction can be designated in 4-bit units
⢠USB ports
⢠Dedicated oscillator ports
⢠Input-only port (also used for oscillation)
⢠Reset pins
⢠Power supply pins
8 (P00 to P07)
2 (UHD+, UHD-)
2 (CF1, CF2)
1 (XT1)
1 (RES)
6 (VSS1 to 3, VDD1 to 3)
ï®Timers
⢠Timer 0: 16-bit timer/counter with 2 capture registers.
Mode 0: 8-bit timer with an 8-bit programmable prescaler (with two 8-bit capture registers) Ã 2 channels
Mode 1: 8-bit timer with an 8-bit programmable prescaler (with two 8-bit capture registers)
+ 8-bit counter (with two 8-bit capture registers)
Mode 2: 16-bit timer with an 8-bit programmable prescaler (with two 16-bit capture registers)
Mode 3: 16-bit counter (with two 16-bit capture registers)
⢠Timer 1: 16-bit timer/counter that supports PWM/toggle outputs
Mode 0: 8-bit timer with an 8-bit prescaler (with toggle outputs) + 8-bit timer/
counter with an 8-bit prescaler (with toggle outputs)
Mode 1: 8-bit PWM with an 8-bit prescaler à 2 channels
Mode 2: 16-bit timer/counter with an 8-bit prescaler (with toggle outputs)
(toggle outputs also possible from lower-order 8 bits)
Mode 3: 16-bit timer with an 8-bit prescaler (with toggle outputs)
(lower-order 8 bits may be used as a PWM output)
⢠Timer 4: 8-bit timer with a 6-bit prescaler
⢠Timer 5: 8-bit timer with a 6-bit prescaler
⢠Timer 6: 8-bit timer with a 6-bit prescaler (with toggle outputs)
⢠Timer 7: 8-bit timer with a 6-bit prescaler (with toggle outputs)
⢠Base timer
1) The clock is selectable from the subclock (32.768kHz crystal oscillation), system clock, and timer 0 prescaler
output.
2) Interrupts programmable in 5 different time schemes
ï®SIO
⢠SIO0: Synchronous serial interface
1) LSB first/MSB first mode selectable
2) Transfer clock cycle: 4/3 to 512/3 tCYC
3) Automatic continuous data transmission (1 to 256 bits, specifiable in 1-bit units)
(Suspension and resumption of data transmission possible in 1 byte units)
⢠SIO1: 8-bit asynchronous/synchronous serial interface
Mode 0: Synchronous 8-bit serial I/O (2- or 3-wire configuration, 2 to 512 tCYC transfer clocks)
Mode 1: Asynchronous serial I/O (half-duplex, 8 data bits, 1 stop bit, 8 to 2048 tCYC baudrates)
Mode 2: Bus mode 1 (start bit, 8 data bits, 2 to 512 tCYC transfer clocks)
Mode 3: Bus mode 2 (start detect, 8 data bits, stop detect)
⢠SIO4: Synchronous serial interface
1) LSB first/MSB first mode selectable
2) Transfer clock cycle: 4/3 to 1020/3 tCYC
3) Automatic continuous data transmission (1 to 4096 bytes, specifiable in 1 byte units)
(Suspension and resumption of data transmission possible in 1 byte units or in word units)
4) Auto-start-on-falling-edge function
5) Clock polarity selectable
6) CRC16 calculator circuit built in
No.A0956-2/27
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