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参数资料
| 型号： | P89C61X2 |
| 厂商： | NXP Semiconductors N.V. |
| 元件分类： | 8位微控制器 |
| 英文描述： | 80C51 8-bit Flash microcontroller family |
| 中文描述： | 80C51的8位闪存微控制器系列 |
| 文件页数： | 13/56页 |
| 文件大小： | 342K |
| 代理商： | P89C61X2 |
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Philips Semiconductors
Product data
P89C60X2/61X2
80C51 8-bit Flash microcontroller family
64KB Flash, 512B/1024B RAM
2003 Sep 11
13
Table 1.
CLOCK MODE CONFIG BIT (FX2)
erased
erased
programmed
X2 bit in CKCON
0
1
x
DESCRIPTION
12-clock mode (default)
6-clock mode
6-clock mode
NOTE:
1. Default clock mode after ChipErase is set to 12-clock.
FFFF
C000
8000
4000
2000
0000
PROGRAM
ADDRESS
BOOT ROM
(1 kB)
SU01673
P89C60X2
P89C61X2
BLOCK 1
BLOCK 0
BLOCK 3
BLOCK 2
BLOCK 5
BLOCK 4
BLOCK 7
BLOCK 6
BLOCK 9
BLOCK 8
BLOCK 11
BLOCK 10
BLOCK 13
BLOCK 12
BLOCK 15
BLOCK 14
Each block is
4 kbytes in size
Figure 1. Flash Memory Configuration
Power-On Reset Code Execution
The P89C60X2/61X2 contains a special Flash register, the STATUS
BYTE. At the falling edge of reset, the P89C60X2/61X2 examines
the contents of the Status Byte. If the Status Byte is set to zero,
power-up execution starts at location 0000H, which is the normal
start address of the user’s application code. When the Status Byte is
set to a value other than zero, the factory masked-ROM ISP boot
loader is invoked. The factory default for the Status Byte is FFh.
Once set to 00h, the Status Byte can only be changed back to FFh
by a full-chip erase operation when using ISP.
Hardware Activation of the Boot Loader
The boot loader can also be executed by holding PSEN LOW,
EA greater than V
IH
(such as +5 V), and ALE HIGH (or not connected)
at the falling edge of RESET. This is the same effect as having a
non-zero status byte. This allows an application to be built that will
normally execute the end user’s code but can be manually forced
into ISP operation.
After programming the Flash, the status byte should be programmed
to zero in order to allow execution of the user’s application code
beginning at address 0000H.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| P89C61X2BA/00 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:80C51 8-bit Flash microcontroller family |
| P89C61X2BA/00,512 | 功能描述:IC 80C51 MCU 512 RAM 44PLCC RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:89C 标准包装:250 系列:56F8xxx 核心处理器:56800E 芯体尺寸:16-位 速度:60MHz 连通性:CAN，SCI，SPI 外围设备:POR，PWM，温度传感器，WDT 输入/输出数:21 程序存储器容量:40KB（20K x 16） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:6K x 16 电压 - 电源 (Vcc/Vdd):2.25 V ~ 3.6 V 数据转换器:A/D 6x12b 振荡器型:内部 工作温度:-40°C ~ 125°C 封装/外壳:48-LQFP 包装:托盘 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| P89C61X2BBD/00 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:80C51 8-bit Flash microcontroller family |
| P89C61X2BBD/00,557 | 功能描述:IC 80C51 MCU 512 RAM 44LQFP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:89C 标准包装:250 系列:56F8xxx 核心处理器:56800E 芯体尺寸:16-位 速度:60MHz 连通性:CAN，SCI，SPI 外围设备:POR，PWM，温度传感器，WDT 输入/输出数:21 程序存储器容量:40KB（20K x 16） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:6K x 16 电压 - 电源 (Vcc/Vdd):2.25 V ~ 3.6 V 数据转换器:A/D 6x12b 振荡器型:内部 工作温度:-40°C ~ 125°C 封装/外壳:48-LQFP 包装:托盘 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| P89C61X2BN/00 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:80C51 8-bit Flash microcontroller family |
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