參數(shù)資料
型號: HT48C06
廠商: Holtek Semiconductor Inc.
英文描述: Cost-Effective I/O Type 8-Bit MCU
中文描述: 成本效益的I / O型8位微控制器
文件頁數(shù): 2/38頁
文件大小: 264K
代理商: HT48C06
Pin Assignment
Pad Assignment
* The IC substrate should be connected to VSS in the PCB layout artwork.
Pad Description
Pad Name
I/O
Options
Description
PA0~PA7
I/O
Pull-high*
Wake-up
Bidirectional 8-bit input/output port. Each bit can be configured as wake-up
input by options. Software instructions determine the CMOS output or
Schmitt trigger input with a pull-high resistor (determined by pull-high op-
tions).
PB0/BZ
PB1/BZ
PB2
I/O
Pull-high*
I/O or BZ/BZ
Bidirectional 3-bit input/output port. Software instructions determine the
CMOS output or Schmitt trigger input with a pull-high resistor (determined by
pull-high options).
The PB0 and PB1 are pin-shared with the BZ and BZ, respectively. Once the
PB0 and PB1 are selected as buzzer driving outputs, the output signals come
from an internal PFD generator (shared with a timer/event counter).
VSS
Negative power supply, ground
PC0/INT
PC1/TMR
I/O
Pull-high*
Bidirectional I/O lines. Software instructions determine the CMOS output or
Schmitt trigger input with a pull-high resistor (determined by pull-high op-
tions). The external interrupt and timer input are pin-shared with the PC0 and
PC1, respectively. The external interrupt input is activated on a high to low
transition.
HT48R05A-1/HT48C05/HT48R06A-1/HT48C06
Rev. 1.10
2
June 9, 2004
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6 7 8
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