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HT66F13 Datasheet(PDF) 53 Page - Holtek Semiconductor Inc

Part # HT66F13
Description  Enhanced A/D Flash Type MCU
PDF  173 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT66F13 Datasheet(HTML) 53 Page - Holtek Semiconductor Inc

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Input/OutputPorts
Holtek microcontrollers offer considerable flexibility on their I/O ports. With the input or output
designation of every pin fully under user program control, pull-high selections for all ports and
wake-up selections on certain pins, the user is provided with an I/O structure to meet the needs of a
wide range of application possibilities.
The device provides bidirectional input/output lines labeled with port names PA~PD. These I/O ports
are mapped to the RAM Data Memory with specific addresses as shown in the Special Purpose Data
Memory table. All of these I/O ports can be used for input and output operations. For input operation,
these ports are non-latching, which means the inputs must be ready at the T2 rising edge of instruction
²MOV A,[m]², where m denotes the port address. For output operation, all the data is latched and
remains unchanged until the output latch is rewritten.
I/ORegisterList
HT66F13
Register
Name
Bit
7
6
5
4
3
2
1
0
PAWU
D7
D6
D5
D4
D3
D2
D1
D0
PAPU
D7
D6
D5
D4
D3
D2
D1
D0
PA
D7
D6
D5
D4
D3
D2
D1
D0
PAC
D7
D6
D5
D4
D3
D2
D1
D0
PBPU
D7
D6
D5
D4
D3
D2
D1
D0
PB
D7
D6
D5
D4
D3
D2
D1
D0
PBC
D7
D6
D5
D4
D3
D2
D1
D0
PCPU
¾
¾
¾
¾
¾
¾
D1
D0
PC
¾
¾
¾
¾
¾
¾
D1
D0
PCC
¾
¾
¾
¾
¾
¾
D1
D0
HT66F14
Register
Name
Bit
7
6
5
4
3
2
1
0
PAWU
D7
D6
D5
D4
D3
D2
D1
D0
PAPU
D7
D6
D5
D4
D3
D2
D1
D0
PA
D7
D6
D5
D4
D3
D2
D1
D0
PAC
D7
D6
D5
D4
D3
D2
D1
D0
PBPU
D7
D6
D5
D4
D3
D2
D1
D0
PB
D7
D6
D5
D4
D3
D2
D1
D0
PBC
D7
D6
D5
D4
D3
D2
D1
D0
PCPU
¾
¾
¾
¾
D3
D2
D1
D0
PC
¾
¾
¾
¾
D3
D2
D1
D0
PCC
¾
¾
¾
¾
D3
D2
D1
D0
PDPU
¾
¾
¾
¾
¾
¾
D1
D0
PD
¾
¾
¾
¾
¾
¾
D1
D0
PDC
¾
¾
¾
¾
¾
¾
D1
D0
Rev.1.10
53
February9,2011
HT66F13/HT66F14/HT66F15
EnhancedA/DFlashType MCU



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