參數資料
型號: HT82M99AE
廠商: Holtek Semiconductor Inc.
英文描述: USB Mouse Encoder 8-Bit MCU
中文描述: USB鼠標編碼器8位微控制器
文件頁數: 26/47頁
文件大?。?/td> 336K
代理商: HT82M99AE
HT82M99EE/HT82M99AE
Rev. 1.00
26
February 8, 2006
Clock Control Register
SCC
There is a system clock control register implemented to select the clock used in the MCU. This register consists of USB
clockcontrolbit(USBCKEN),secondsuspendmodecontrolbit(SUSPEND2)andsystemclockselection(SCLKSEL).
Bit No.
Label
Read/Write
Option
Functions
2~0,
5
PF2~PF0,
PF5
R/W
Reserved
3
PF3
R/W
USBCKEN
USB clock control bit. When set to 1 , indicates a USBCK ON,
else USBCK OFF. The default value is 0 .
4
PF4
R/W
SUSPEND2
When set to 1 , enables a 7.5k
to 5V VDD. The default value is 0 .
resistor connected to D-pin
6
PF6
R/W
SCLKSEL
System clock 6MHz or 12MHz option, when working on exter-
nal oscillator mode. The default value is 0 .
0: Operating at external 12MHz mode
1: Operating at external 6MHz mode
The default value is 0 .
7
PF7
R/W
PS2_flag
This flag is used to show that the MCU is in PS2 mode (Bit=1).
ThisbitisR/WbyFWandwillbeclearedtozeroafterpower-on
reset. The default value is 0 .
SCC (0X1C) Register
Table High Byte Pointer for Current Table Read
TBHP
Bit No.
Label
Read/Write
Option
Functions
2~0
PGC2~PG0
R/W
Store current table read bit10~bit8 data
TBHP (0X1F) Register
Options
No.
Option
1
WDT clock source: RC (system/4) (default: T1)
2
WDT clock source: enable/disable for normal mode (default: disable)
3
PA0~PA7 ,PB4, PB7 wake-up by bit (PA2, PA3 both wake-up by falling or rising edge)
(default: non wake-up)
4
PA0~PA7 pull-high by bit (default: Pull-high)
5
PB pull-high by nibble (default: Pull-high)
6
2.7 V (error 0.3V) LVR enable/disable (default: enable)
7
PA0~PA3, PB2, PB3 Pull-low by bit (default: non pull-low 30k )
8
CLR WDT , 1 or 2 instructions
9
TBHP enable/disable (default: disable)
10
PA output mode (CMOS/NMOS/PMOS) by bit (default: CMOS)
Note: The LVR voltage is define as 2.7V 0.3V and default is enable.
相關PDF資料
PDF描述
HT82M99EE USB Mouse Encoder 8-Bit MCU
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相關代理商/技術參數
參數描述
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HT82M99E-20 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Mouse Encoder 8-Bit OTP MCU