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參數資料
| 型號： | LC72F3661 |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | 14 X 20 MM, QIP-80 |
| 文件頁數： | 14/15頁 |
| 文件大小： | 113K |
| 代理商： | LC72F3661 |
LC72F3661
No.0461-8/15
Pin Description
Pin name
Pin No.
I/O
Pin explanation
Equivalent circuit
PA0
PA1
PA2
PA3
26
25
24
23
I
Dedicated input ports.
These ports are designed with a low threshold voltage.
Input is disabled in Backup mode.
PB0
PB1
PB2
PB3
22
21
20
19
I/O
General-purpose I/O ports.
The mode (input or output) is set using the IOS2 instruction.
Input is disabled and the pins go to the high-impedance state in
Backup mode.
These ports are set up as general-purpose input ports after a power
on reset.
PD0/INT4
PD1/INT5
PD2
PD3
18
17
16
15
I/O
General-purpose I/O and external interrupt shared function ports.
The input formats are Schmitt inputs.
The external interrupt function is enabled when the external interrupt
enable flag is set.
When used as general-purpose I/O ports :
The mode (input or output) is set in 1-bit units using the IOS2
instruction.
When used as external interrupt pins :
The external interrupt functions are enabled by setting the
corresponding external interrupt enable flag (INT4EN or INT5EN).
In this case, the pins must be set to input mode in advance.
Input is disabled and the pins go to the high-impedance state in
Backup mode.
These ports are set up as general-purpose input ports after a power
on reset.
PE0
PE1
14
13
I/O
General-purpose I/O ports
The input formats are Schmitt inputs.
The mode (input or output) is set in 1-bit units using the IOS1
instruction
Input is disabled and the pins go to the high-impedance state in
Backup mode.
These ports are set up as general-purpose input ports after a power
on reset.
PF0
PF1/SCK1
PF2/SO1
PF3/SI1
PG0
PG1/SCK0
PG2/SO0
PG3/SI0
12
11
10
9
8
7
6
5
I/O
General-purpose I/O ports with shared functions as serial I/O ports.
The input formats are Schmitt inputs.
The IOS1 instruction is used to switch between the general-purpose
I/O port and serial I/O port functions.
When used as general-purpose I/O ports :
The pins are set to the general-purpose I/O port function using the
IOS1 instruction.
The mode (input or output) is set in 1-bit units using the IOS1
instruction
When used serial I/O ports :
The pins are set to the serial I/O port function using the IOS1
instruction.
[Pin states when set to the serial I/O port function]
PF0, PG0 … General-purpose I/O
PF1, PG1 … SCK input or output
PF2, PG2 … SO output
PF3, PG3 … SI input
Input is disabled and the pins go to the high-impedance state in
Backup mode.
These ports are set up as general-purpose input ports after a power
on reset.
Continued on next page.
ILC05529
BACK UP
ILC05530
BACK UP
ILC05532
BACK UP
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