NT6611
NT6611 is 1K 4-bit Microcontroller manufactured by Novatek.
1K 4-bit Microcontroller with LCD Driver
Features
! NT6610C-based single-chip 4-bit microcontroller w ith LCD driver ! ROM: 1024 × 16 bits ! RAM: 256 × 4 bits (data memory) ! Operation Voltage Range: 2.2V
- 5.4V (3V typically) ! 16 CMOS I/O pins (PORTA
- D, CMOS or Open Drain by code option ) ! 4 level subroutine nesting (including interrupts) ! Two 8-bit timers with pre-divider circuit ! Oscillator warm-up timer ! 4 priority interrupt sources:
- External interrupt (falling edge)
- Timer0 interrupt
- Timer1 interrupt
- Port B interrupt (falling edge) ! Clock source: 32.768KHz crystal or 262K RC (type is programmable by code option) ! Instruction cycle time: 4/32.768KHz (≈ 122µs) for 32.768KHz crystal 4/262KHz (≈ 15µs) for 262KHz RC ! LC D driver 4 × 26 (1/4 duty , 1/3 bias or 1/3 duty , 1/2 bias) ! Two low power operation modes
- H ALT or STOP mode ! Built-in alarm generator (carrier frequency : 2KH z or 4KHz code option) ! Low power consumption (Iop < 10µA, 32.768KHz, 3V) ! Bonding option for multi-code software ! Available in CHIP FORM
General Description
NT6611 is a single-chip microcontroller integrated with an NT6610C CPU core, SRAM, timer, alarm generator, LCD driver, I/O port, and program ROM.
Pad Configuration
S E G 1 7 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 S E G 2 2 S E G 1 3 T E S T 4 B0 5 V
S E G 1 8 37
S E G 1 9 36
S E G 2 0 35
S E G 2 1 34
S E G 2 2 33
S E G 2 3 32
S E G 2 4 31
S E G 2 5 30
S E G 2 6 29
C O M 1 28
C O M 2 27 26 25 24 23 B1 22 21 3 4 OSCI OSCO GND PORTD3 PORTD2 PORTD1 PORTD0 PORTC3 PORTC2 PORTC1 PORTC0 PORTB3
20 19 18 17 16 15 14
6 P O R T A 0
7 P O R T A 1
8 P O R T A 2
9 P O R T A...