参数资料
型号: MC68HC11ED0CFN2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 2 MHz, MICROCONTROLLER, PQCC44
封装: PLASTIC, LCC-44
文件页数: 68/108页
文件大小: 1672K
代理商: MC68HC11ED0CFN2
Technical Summary
MC68HC11ED0 — Rev. 1.0
Resets and Interrupts
Resets and Interrupts
5.6 Configuration Control Register
In many M68HC11 devices the configuration control register (CONFIG)
is used to define various system functions. In the MC68HC11ED0,
CONFIG controls only one microcontroller (MCU) function. The
NOPCOP bit disables the COP watchdog circuit when it is set. Refer to
Bits [7:3] — Unimplemented
Always read as 0
NOCOP — COP System Disable Bit
Resets to programmed value
0 = COP enabled (forces reset on timeout)
1 = COP disabled (does not force reset on timeout)
Bits [1:0] — Unimplemented
Always read as 0
Address:
$003F
Bit 7
6
5
4
3
2
1
Bit 0
Read:
NOCOP(1)
Write:
Reset States:
Expanded Mode
Special Test Mode
Bootstrap Mode
0
1
0
1. NOCOP must be written during the first 64 cycles after reset in normal modes (SMOD = 0) or at any time in special
modes (SMOD = 1).
= Unimplemented
Figure 5-3. System Configuration Register (CONFIG)
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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