参数资料
型号: MC68HSC05K0P
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PDIP16
封装: PLASTIC, DIP-16
文件页数: 141/154页
文件大小: 1544K
代理商: MC68HSC05K0P
Personality EPROM (MC68HC05K1 Only)
PEPROM Registers
MC68HC05K0 MC68HC05K1 — Rev. 2.0
Technical Data
MOTOROLA
Personality EPROM (MC68HC05K1 Only)
87
9.3 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)
9.3.1 PEPROM Bit Select Register
The PEPROM bit select register (PEBSR), shown in Figure 9-2, 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 9-1. 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 9-2. PEPROM Bit Select Register (PEBSR)
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