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N76E885 데이터시트 PDF : 부품 기능 및 핀배열

부품번호 N76E885
기능 8051-based Microcontroller
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N76E885 데이터시트 및 N76E885 PDF

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N76E885 pdf, 반도체, 판매, 대치품
N76E885 Datasheet
22.3 Using Flash Memory as Data Storage................................................................................................ 150
22.4 In-System-Programming (ISP)............................................................................................................ 152
23. POWER MANAGEMENT............................................................................................................................ 157
23.1 Idle Mode ............................................................................................................................................ 158
23.2 Power-Down Mode ............................................................................................................................. 158
24. CLOCK SYSTEM ........................................................................................................................................ 160
24.1 System Clock Sources........................................................................................................................ 160
24.1.1 Internal Oscillators ................................................................................................................... 161
24.1.2 External Crystal/Resonator or Clock Input............................................................................... 161
24.2 System Clock Switching ..................................................................................................................... 161
24.3 System Clock Divider.......................................................................................................................... 164
24.4 System Clock Output .......................................................................................................................... 164
25. POWER MONITORING .............................................................................................................................. 165
25.1 Power-On Reset (POR) ...................................................................................................................... 165
25.2 Brown-Out Detection (BOD) ............................................................................................................... 165
26. RESET......................................................................................................................................................... 170
26.1 Power-On Reset ................................................................................................................................. 170
26.2 Brown-Out Reset ................................................................................................................................ 170
26.3 External Reset .................................................................................................................................... 171
26.4 Watchdog Timer Reset ....................................................................................................................... 172
26.5 Software Reset ................................................................................................................................... 172
26.6 Boot Select.......................................................................................................................................... 173
26.7 Reset State ......................................................................................................................................... 174
27. AUXILIARY FEATURES............................................................................................................................. 175
27.1 Dual DPTRs ........................................................................................................................................ 175
27.2 96-Bit Unique Code ............................................................................................................................ 176
28. ON-CHIP-DEBUGGER (OCD).................................................................................................................... 177
28.1 Functional Description ........................................................................................................................ 177
28.2 Limitation of OCD................................................................................................................................ 177
29. CONFIG BYTES.......................................................................................................................................... 179
30. IN-CIRCUIT-PROGRAMMING (ICP) .......................................................................................................... 182
31. INSTRUCTION SET .................................................................................................................................... 183
32. ELECTRICAL CHARACTERISTICS .......................................................................................................... 187
32.1 Absolute Maximum Ratings ................................................................................................................ 187
32.2 D.C. Electrical Characteristics ............................................................................................................ 187
32.3 A.C. Electrical Characteristics ............................................................................................................ 189
32.4 Analog Electrical Characteristics ........................................................................................................ 190
33. PACKAGE DIMENSIONS........................................................................................................................... 193
34. DOCUMENT REVISION HISTORY ............................................................................................................ 195
Dec. 21, 2015
Page 4 of 196
Rev. 1.01

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N76E885 전자부품, 판매, 대치품
N76E885 Datasheet
Peripherals:
Up to 25 general purpose I/O pins and one input-only pin. All output pins have individual 2-level
slew rate control. Five pins provide normal/high sink current selected via software.
Standard interrupt pins ̅̅̅̅̅̅̅ and ̅̅̅̅̅̅̅.
Two 16-bit Timers/Counters 0 and 1 compatible with standard 8051.
One 16-bit Timer 2 with three-channel input capture module.
One 16-bit auto-reload Timer 3, which can be the baud rate clock source of UARTs.
One programmable Watchdog Timer (WDT) clocked by dedicated 10 kHz internal source.
One dedicated Self Wake-up Timer (WKT) for self-timed wake-up for power reduced modes.
Two full-duplex UART ports with frame error detection and automatic address recognition. Up
to 781.25 kbps when system clock is 25 MHz. TXD and RXD pins of UART0 exchangeable via
software.
One SPI port with master and slave modes, up to 6.25 Mbps when system clock is 25 MHz.
One I2C bus with master and slave modes, up to 400 kbps data rate.
Four pairs, eight channels of pulse width modulator (PWM) output, up to 12-bit resolution, with
different modes and Fault Brake function for motor control.
Eight channels of pin interrupt, shared for all I/O ports, with variable configuration of edge/level
detection.
One 10-bit ADC with external VREF input available, up to 300 ksps converting rate, hardware
triggered and conversion result compare facilitating motor control.
Power management:
Two power reduced modes: Idle and Power-down mode.
Power monitor:
Brown-out detection (BOD) with low power mode available, 8-level selection, interrupt or reset
options.
Power-on reset (POR).
Strong ESD and EFT immunity.
Development Tools:
TM
Nuvoton On-Chip-Debugger (OCD) with KEIL development environment.
Nuvoton In-Circuit-Programmer (ICP).
Nuvoton In-System-Programming (ISP) via UART.
Dec. 21, 2015
Page 7 of 196
Rev. 1.01

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