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參數(shù)資料
| 型號(hào)： | UPD784218YGC |
| 廠商： | NEC Corp. |
| 英文描述： | Cable; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No |
| 中文描述： | 16-/8-bit的單晶片微控制器 |
| 文件頁(yè)數(shù)： | 40/92頁(yè) |
| 文件大?。?/td> | 617K |
| 代理商： | UPD784218YGC |
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μ
PD784218, 784218Y
Data Sheet U12304EJ2V0DS00
40
8.7.1 Asynchronous serial interface/3-wire serial I/O (UART/IOE)
Two channels of serial interfaces for which an asynchronous serial interface mode and 3-wire serial I/O mode
can be selected are provided.
(1) Asynchronous serial interface mode
In this mode, data of 1 byte following the start bit is transmitted or received.
Because an on-chip baud rate generator is provided, a wide range of baud rates can be set.
Moreover, the clock input to the ASCK pin can be divided to define a baud rate.
When the baud rate generator is used, a baud rate conforming to the MIDI standard (31.25 kbps) can also
be obtained.
Figure 8-10. Block Diagram When in Asynchronous Serial Interface Mode
Internal bus
8
8
8
Receive buffer register
1, 2 (RXB1, RXB2)
Receive shift register
1, 2 (RX1, RX2)
Transmit shift register
1, 2 (TXS1, TXS2)
Receive control
parity check
Transmit control
parity added
RxD1, RxD2
TxD1, TxD2
ASCK1, ASCK2
Baud rate generator
INTSR1,
INTSR2
INTST1,
INTST2
Selector
5-bit counter
×
2
transmit/receive clock generation
f
XX
to f
XX
/2
5
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| UPD784218GC | Connector assemblies, Network cables; |
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| UPD784218Y | 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD784218 | 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD784218GC-XXX-8EU | 16-Bit Microcontroller |
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