參數(shù)資料
型號: MC68HC05RC17DW
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.097 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 42/128頁
文件大小: 561K
代理商: MC68HC05RC17DW
NON-DISCLOSURE
AGREEMENT
REQUIRED
General Description
General Release Specification
MC68HC05RC17 Rev. 2.0
20
General Description
MOTOROLA
STOPEN — STOP Instruction Enable
When the STOP option is selected (STOPEN = 1), the STOP
instruction is enabled.
When the STOP option is deselected (STOPEN = 0), the STOP
instruction is equivalent to a WAIT instruction.
IRQ — IRQ sensitivity
When the IRQ option is selected (IRQ = 1), edge- and level-sensitive
IRQ is enabled.
When the IRQ option is deselected (IRQ = 0), edge-only sensitive IRQ
is enabled.
NOTE:
The port B keyscan interrupt sensitivity will match that of the IRQ
information.)
1.5 Signal Description
Pinout for the 28-pin small outline integrated circuit (SOIC) package is
shown in Figure 1-2. Pinout for the 28-pin plastic dual in-line (PDIP)
package is shown in Figure 1-3. The signals are described in the
following subsections.
NOTE:
Consult the factory for availability of 28-pin dual in-line and higher pin
count packages.
1.5.1 VDD and VSS
Power is supplied to the microcontroller’s digital circuits using these two
pins. V
DD is the positive supply and VSS is ground.
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