M3885中文资料PDF规格书
M3885规格书详情
GENERAL DESCRIPTION
The 3885 group is the 8-bit microcomputer based on the 740 family core technology.
The 3885 group is designed for Keyboard Controller for the note book PC.
The multi-master I2C-bus interface can be added by option.
FEATURES
● Basic machine-language instructions ...................................... 71
● Minimum instruction execution time .................................. 0.5 µs
(at 8 MHz oscillation frequency)
● Memory size
ROM ................................................................. 32K to 60K bytes
RAM ............................................................... 1024 to 2048 bytes
● Programmable input/output ports ............................................ 72
● Software pull-up transistors ....................................................... 8
● Interrupts ................................................. 22 sources, 16 vectors
● Timers ............................................................................. 8-bit ✕ 4
● Watchdog timer ............................................................ 16-bit ✕ 1
● PWM output .................................................................. 14-bit ✕ 2
● Serial I/O....................... 8-bit ✕ 1(UART or Clock-synchronized)
● Multi-master I2C bus interface (option) ........................ 1 channel
● LPC interface .............................................................. 2 channels
● Serialized IRQ .................................................................. 3 factor
● A-D converter ............................................... 10-bit ✕ 8 channels
● D-A converter ................................................. 8-bit ✕ 2 channels
● Comparator circuit ...................................................... 8 channels
● Clock generating circuit ..................................... Built-in 2 circuits
(connect to external ceramic resonator or quartz-crystal oscillator)
● Power source voltage ................................................ 3.0 to 3.6 V
● Power dissipation
In high-speed mode ..........................................................20 mW
(at 8 MHz oscillation frequency, at 3.3 V power source voltage)
In low-speed mode ......................................................... 330 mW
(at 32 kHz oscillation frequency, at 3.3 V power source voltage)
● Operating temperature range.................................... –20 to 85°C
● Supply voltage ................................................. VCC = 3.3 ± 0.3V
● Program/Erase voltage ................................. VPP = 5.0 V ± 10
● Programming method ...................... Programming in unit of byte
● Erasing method
Parallel I/O mode
CPU reprogramming mode
● Program/Erase control by software command
● Number of times for programming/erasing ............................ 100
● Operating temperature range (at programming/erasing)
........................................................................Room temperature
产品属性
- 型号:
M3885
- 制造商:
RENESAS
- 制造商全称:
Renesas Technology Corp
- 功能描述:
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
RENESAS |
2016+ |
QFP |
6000 |
只做原装,假一罚十,公司可开17%增值税发票! |
询价 | ||
RENESAS |
2020+ |
QFP |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
RENESAS/瑞萨 |
22+ |
QFP80 |
100000 |
代理渠道/只做原装/可含税 |
询价 | ||
RENESAS |
2016+ |
QFP80P |
6523 |
只做原装正品现货!或订货! |
询价 | ||
RENESAS |
23+ |
QFP |
20000 |
原厂原装正品现货 |
询价 | ||
RENESAS/瑞萨 |
21+ |
QFP |
5000 |
原装现货/假一赔十/支持第三方检验 |
询价 | ||
MIT |
TQFP80 |
68500 |
一级代理 原装正品假一罚十价格优势长期供货 |
询价 | |||
RENESAS/瑞萨 |
22+ |
QFP80 |
354000 |
询价 | |||
RENESAS |
2023+ |
QFP |
700000 |
柒号芯城跟原厂的距离只有0.07公分 |
询价 | ||
MITSUBIS |
2138+ |
TQFP |
8960 |
专营BGA,QFP原装现货,假一赔十 |
询价 |
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