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| 型号： | EM78459 |
| 英文描述： | Dual Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: -40°C to 85°C; Package: 14-SOIC |
| 中文描述： | 8位微控制器的通用产品 |
| 文件页数： | 14/57页 |
| 文件大小： | 854K |
| 代理商： | EM78459 |
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EM78458/459
MASK ROM
This specification is subject to change without prior notice.
2002/03/01
21
8-bit Counter
8-to-1 MUX
MUX
M
U
X
WDT
TCC
Pin
M
U
X
M
U
X
SYNC
2 cycles
TCC (R1)
PAB
TS
TE
0
1
0
WDTE
(in IOCE)
WDT timeout
PSR0 ~ PSR2
0
1
DATA BUS
CLK (Fosc/2 or Fosc/4)
TCC overflow
interrupt
Fig. 5 Block Diagram of TCC and WDT
4.4 I/O Ports
Port 5, Port 6, and the I/O registers are bi-directional tri-state I/O ports. The function of Pull-high,
Pull-down, and Open-drain can be set internally by IOCB0, IOCC0, and IOCD0, respectively. Port 6
features an input status changed interrupt (or wake-up) function. Each I/O pin can be defined as
"input" or "output" pin by the I/O control register (IOC50 ~ IOC60). The I/O registers and I/O control
registers are both readable and writable. The I/O interface circuits for Port 5 and Port 6 are shown in
the following Fig. 6, Fig. 7, and Fig. 8 respectively.
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相关代理商/技术参数 |
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| EM78459AK | 制造商:EMC 制造商全称:ELAN Microelectronics Corp 功能描述:8-Bit Microcontroller with MASK ROM |
| EM78459AM | 制造商:EMC 制造商全称:ELAN Microelectronics Corp 功能描述:8-Bit Microcontroller with MASK ROM |
| EM78468 | 制造商:EMC 制造商全称:ELAN Microelectronics Corp 功能描述:8-BIT Microcontroller |
| EM78468AQ | 制造商:EMC 制造商全称:ELAN Microelectronics Corp 功能描述:8-BIT Microcontroller |
| EM78468BQ | 制造商:EMC 制造商全称:ELAN Microelectronics Corp 功能描述:8-BIT Microcontroller |
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