mc68hc705e5 Freescale Semiconductor, Inc, mc68hc705e5 Datasheet - Page 113

• Manufacturer Part Number: mc68hc705e5
• Description: M68hc05 Family Of Microcontrollers Mcus
• Manufacturer: Freescale Semiconductor, Inc

13.5 Mask Option Register
MC68HC705E5
—
Rev. 1.0
Address:
The MOR contains programmable EPROM bits to control mask options.
The MOR register is latched upon reset going away.
STOPEN — STOP Enable
CPI1, CPI0 — CPI Rate bits
IRQ — IRQ sensitivity
Write::
Reset:
Read:
When set, STOP is enabled.
READ: Any time
WRITE: In special modes, writing these bits activates the function
Freescale Semiconductor, Inc.
For More Information On This Product,
1 = This bit selects the edge and level sensitive IRQ.
0 = This bit selects the edge-only sensitive IRQ (EPROM erased
$1F00
Bit 7
—
state).
0
without having to program it and can be written many times.
In user mode, writing has no effect. These bits must be
programmed. Refer to
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Figure 13-5. Mask Option Register (MOR)
CPI1
0
1
1
—
6
0
User EPROM
Table 13-2. CPI Rate
—
5
0
CPI0
X
0
1
STOPEN
4
0
Table
0.25 Second CPI Rate
0.5 Second CPI Rate
CPI1
1 Second CPI Rate
13-2.
3
1
Interrupt Rate
General Release Specification
CPI0
2
0
Mask Option Register
IRQ
1
0
User EPROM
COP
Bit 0
0