參數(shù)資料
型號(hào): MC68HC05P18CP
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28
封裝: PLASTIC, DIP-28
文件頁數(shù): 118/144頁
文件大?。?/td> 1348K
代理商: MC68HC05P18CP
EEPROM
Mask Option Registers
MC68HC(8)05P18 — Rev. 2.0
Advance Information
MOTOROLA
EEPROM
75
8.5 Mask Option Registers
The mask option registers (MOR) consist of two EEPROM bytes located
at $3F00 and $3F01. The MORs hold the 16 option bits for:
The SIOP data format, interrupt sensitivity
COP enable/disable
SIOP clock rate
LVR enable/disable
Stop conversion to halt, pullup/interrupt enable on port A
Clock output option to replace PD5
When in the erased state, the EEPROM cells will read as logic 0s. These
registers are refreshed every 256
s during power-on reset and every
16 ms after the part is out of reset (assuming f
OSC = 4 MHz).
Address:
$3F00
Bit 7
654321
Bit 0
Read: CLKOUT
LVRE
SWAIT
SPR1
SPR0
LSBF
LEVIRQ
COPEN
Write:
Reset:
Unaffected by reset
= Unimplemented
Figure 8-2. Mask Option Register 1 (MOR1)
Address:
$3F01
Bit 7
654321
Bit 0
Read:
PA7PU
PA6PU
PA5PU
PA4PU
PA3PU
PA2PU
PA1PU
PA0PU
Write:
Reset:
Unaffected by reset
= Unimplemented
Figure 8-3. Mask Option Register 2 (MOR2)
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