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參數(shù)資料
| 型號： | EM78860AQ |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | 8-BIT MICRO-CONTROLLER |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 13/25頁 |
| 文件大?。?/td> | 125K |
| 代理商： | EM78860AQ |
13
* This specification are subject to be changed without notice.
6.24.1998
EM78860
8-BIT MICRO-CONTROLLER
TCC/WDT Prescaler
There is an 8-bit counter available as prescaler for the TCC or WDT. The prescaler is available for the TCC
only or WDT only at the same time.
An 8 bit counter is available for TCC or WDT determined by the status of the bit 3 (PAB) of the CONT
register.
See the prescaler ratio in CONT register.
Fig. 10 depicts the circuit diagram of TCC/WDT.
Both TCC and prescaler will be cleared by instructions which write to TCC each time.
The prescaler will be cleared by the WDTC and SLEP instructions, when assigned to WDT mode.
The prescaler will not be cleared by SLEP instructions, when assigned to TCC mode.
WDTE
WDT timeout
PAB
PAB
MUX
8-to-1 MUX
PSR0~PSR2
8-bit Counter
M
U
X
0
1
WDT
PAB
TCC overflow interrupt
Data Bus
TCC(R1)
SYNC
2 cycle
M
U
X
M
U
X
1
0
0
1
TE
TS
TCC
(32K CLK)
CLK(=Fosc/2)
Fig. 10 Block diagram of TCC WDT
I/O Ports
The I/O registers, Port 6 ~ Port 9, are bi-directional tri-state I/O ports. Port 7 can be pulled-high internally by
software control. The I/O ports can be defined as “input” or “output” pins by the I/O control registers (IOC6 ~
IOC9 ) under program control. The I/O registers and I/O control registers are both readable and writable. The
I/O interface circuit is shown in Fig.11.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EM78860BQ | 8-BIT MICRO-CONTROLLER |
| EM78860H | 8-BIT MICRO-CONTROLLER |
| EM78860 | 8-Bit Micro-Controller(用于信息顯示的工作電壓2.5V-5.5V的8位精簡指令集（RISC）微控制器) |
| EM78861 | 8-BIT MOCRO-CONTROLLER |
| EM78862 | 8-BIT MICRO-CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EM78860BQ | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8 -BIT MICRO-CONTROLLER |
| EM78860H | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8 -BIT MICRO-CONTROLLER |
| EM78861 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MOCRO-CONTROLLER |
| EM78862 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER |
| EM78862B | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-Bit RISC Type Microprocessor |
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