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参数资料
| 型号： | MC68HC11C0FN3 |
| 厂商： | MOTOROLA INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, 3 MHz, MICROCONTROLLER, PQCC68 |
| 封装： | PLASTIC, LCC-68 |
| 文件页数： | 25/76页 |
| 文件大小： | 394K |
| 代理商： | MC68HC11C0FN3 |
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MC68HC11C0
MOTOROLA
MC68HC11C0TS/D
31
DOD[6:0] — Port D Open Drain Bits [6:0]
0 = Corresponding port D output pin configured as normal CMOS driver.
1 = Corresponding port D output pin configured as open-drain output driver.
Port E has four general-purpose input pins and shares functions with the A/D converter system. When
any port E pins are being used as A/D inputs, PORTE should not be read during the sample portion of
an A/D conversion. Refer to 11 Analog-to-Digital Converter.
Port F has seven bidirectional I/O lines. Each line can be either general-purpose I/O or a maskable in-
terrupt source. When corresponding bits in FINTEN are set, port F lines become interrupt request in-
puts. Writes to PORTF drive pins only if the pins are configured for output and corresponding IRQ is
disabled. Refer to FINTEN and FISTAT registers. Refer to 6 Resets and Interrupts.
Bit 7 — Not implemented
Always reads zero.
DDF[6:0] — Data Direction for Port F
Overridden if corresponding interrupt request input is enabled.
0 = Input
1 = Output
IS7 is the interrupt status bit for IRQ in port D. FISTAT can be read any time but cannot be written. All
bits are cleared after CPU has read the register following an interrupt request.
PORTE — Port E Data
$000A
Bit 7
654321
Bit 0
————
PE3
PE2
PE1
PE0
RESET:
0000
IIII
Alt. Pin
Func.:
————
AN3
AN2
AN1
AN0
PORTF — Port F Data Register
$0002
Bit 7
654321
Bit 0
—
PF6
PF5
PF4
PF3
PF2
PF1
PF0
RESET:
00000000
Alt. Pin
Func.:
—
IRQ7
IRQ6
IRQ5
IRQ4
IRQ3
IRQ2
IRQ1
DDDRF — Data Direction Register for Port F
$0003
Bit 7
654321
Bit 0
—
DDF6
DDF5
DDF4
DDF3
DDF2
DDF1
DDF0
RESET:
00000000
FISTAT — Port F Interrupt Status
$0004
Bit 7
654321
Bit 0
IS7
IS6
IS5
IS4
IS3
IS2
IS1
IS0
RESET:
00000000
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