参数资料
型号: P89C662
厂商: NXP Semiconductors N.V.
英文描述: 80C51 8-Bit Flash Microcontroller 32KB ISP/IAP FLASH with 1KB RAM(80C51 8位闪速微控制器,带16KB ISP/IAP闪速存储器和1KB RAM)
中文描述: 80C51的8位闪存微控制器具有32KB的ISP /联合会与1kB的内存(80C51的8位闪速微控制器,带16KB的供应商/联合会闪速存储器和闪存的1kB的RAM)
文件页数: 8/89页
文件大小: 490K
代理商: P89C662
Philips Semiconductors
Product data
P89C660/P89C662/P89C664/
P89C668
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/1KB/2KB/8KB RAM
2002 Oct 28
8
MNEMONIC
NAME AND FUNCTION
TYPE
PIN NUMBER
LQFP
PLCC
EA/V
PP
35
29
I
External Access Enable/Programming Supply Voltage:
EA must be externally held low to
enable the device to fetch code from external program memory locations. If EA is held high, the
device executes from internal program memory. The value on the EA pin is latched when RST
is released and any subsequent changes have no effect. This pin also receives the
programming supply voltage (V
PP
) during Flash programming.
Crystal 1:
Input to the inverting oscillator amplifier and input to the internal clock generator
circuits.
XTAL1
21
15
I
XTAL2
20
14
O
Crystal 2:
Output from the inverting oscillator amplifier.
NOTE:
To avoid “latch-up” effect at power-on, the voltage on any pin (other than V
PP
) must not be higher than V
CC
+ 0.5 V or less than V
SS
– 0.5 V.
相关PDF资料
PDF描述
P89C668HBA 80C51 8-bit Flash microcontroller family 64KB ISP FLASH with 8KB RAM
P89C668HFA 80C51 8-bit Flash microcontroller family 64KB ISP FLASH with 8KB RAM
P89C668 80C51 8-bit Flash microcontroller family 64KB ISP FLASH with 8KB RAM
P89C668HBBD 80C51 8-bit Flash microcontroller family 64KB ISP FLASH with 8KB RAM
P89CE558 Single-chip 8-bit microcontroller(8位单片微控制器)
相关代理商/技术参数
参数描述
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P89C662HBBD 制造商: 功能描述: 制造商:undefined 功能描述:
P89C662HBBD/00,557 制造商:NXP Semiconductors 功能描述:
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