LC877G16A

No.A2006-2/17

Ports

• Normal withstand voltage I/O ports

Ports whose I/O direction can be designated in 1-bit units:

13 (2 for UART, 1 for remote control, and 10 for

key-scan signal I/O)

• Normal withstand voltage input port

1 (XT1)

• LCD ports

Segment output:

74 (S00 to S73)

Common output:

4 (COM0 to COM3)

Bias power supply for LCD driving:

3 (V1 to V3)

Multiplexed pin functions

Input/output ports:

8 (P1n)

• Dedicated oscillator ports

2 (CF1, CF2)

• Reset pin

1 (RES)

• Power pins

2 (VDD1, VSS1)

LCD Controller

(1) Display duty: 1/3duty, 1/4duty

(2) Display bias: 1/2bias, 1/3bias

UART

• Full duplex

• 7/8/9 bits data bit selectable

• 1 stop bit (2-bit in continuous data transmission)

• Built-in baudrate generator

• Maximum transfer rate: 200kbps (5MHz)

Timers

• Timer 0: 16-bit timer/counter with a capture register

Mode 0: 8-bit timer with an 8-bit programmable prescaler (with an 8-bit capture register)

× 2 channels

Mode 1: 8-bit timer with an 8-bit programmable prescaler (with an 8-bit capture register)

+ 8-bit counter (with an 8-bit capture registers)

Mode 2: 16-bit timer with an 8-bit programmable prescaler (with a 16-bit capture register)

Mode 3: 16-bit counter (with a 16-bit capture register)

• Timer 4: 8-bit timer with a 6-bit prescaler

• Timer 5: 8-bit timer with a 6-bit prescaler

• Timer 8: 16-bit timer

Mode 0: 8-bit timer with an 8-bit prescaler

× 2 channels

Mode 1: 16-bit timer with an 8-bit prescaler

• Base Timer

1) The clock can be selected from the system clock and timer 0 prescaler output.

2) An interrupt can be generated at five different time intervals.