参数资料
型号: MC68HC705K1CDW
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PDSO16
封装: SOIC-16
文件页数: 134/140页
文件大小: 3196K
代理商: MC68HC705K1CDW
Personality EPROM (PEPROM)
PEPROM Registers
MC68HC705K1 — Rev. 2.0
Technical Data
Personality EPROM (PEPROM)
10.3 PEPROM Registers
Two input/output (I/O) registers control programming and reading of the
PEPROM:
PEPROM bit select register (PEBSR)
PEPROM status and control register (PESCR)
10.3.1 PEPROM Bit Select Register
The PEPROM bit select register (PEBSR) selects one of 64 bits in the
PEPROM array. Reset clears all the bits in the PEPROM bit select
register.
PEB7 and PEB6 — Not Connected to the PEPROM Array
These read/write bits are available as storage locations. Reset clears
PEB7 and PEB6.
PEB5–PEB0 — PEPROM Bit Select Bits
These read/write bits select one of 64 bits in the PEPROM as shown
in Table 10-1. Bits PEB2–PEB0 select the PEPROM row, and bits
PEB5–PEB3 select the PEPROM column. Reset clears PEB5–PEB0,
selecting the PEPROM bit in row zero, column zero.
Address:
$000E
Bit 7
654321
Bit 0
Read:
PEB7
PEB6
PEB5
PEB4
PEB3
PEB2
PEB1
PEB0
Write:
Reset:
00000000
Figure 10-2. PEPROM Bit Select Register (PEBSR)
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For More Information On This Product,
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