參數(shù)資料
型號: MC68HC805P18CDWR2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, EEPROM, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 8/144頁
文件大?。?/td> 1348K
代理商: MC68HC805P18CDWR2
Serial Input/Output Port (SIOP)
SIOP Registers
MC68HC(8)05P18 — Rev. 2.0
Advance Information
MOTOROLA
Serial Input/Output Port (SIOP)
105
11.4.3 SIOP Data Register
This register is located at address $000C and serves as both the
transmit and receive data register. Writing to this register will initiate a
message transmission if the SIOP is in master mode. The SIOP
subsystem is not double buffered and any write to this register will
destroy the previous contents. The SDR can be read at any time;
however, if a transfer is in progress, the results may be ambiguous and
the DCOL bit will be set. Writing to the SDR while a transfer is in
progress can cause invalid data to be transmitted and/or received.
Figure 11-5 shows the position of each bit in the register. This register
is not affected by reset.
Address:
$000C
BIt 7
654321
Bit 0
Read:
SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0
Write:
Reset:
Unaffected by reset
Figure 11-5. SIOP Data Register (SDR)
相關(guān)PDF資料
PDF描述
MC68HC805P18MDWR2 8-BIT, EEPROM, MICROCONTROLLER, PDSO28
MC68HC05P18CP 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28
MC68HC05P18MP 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28
MC68HC05P18MDW 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
MC68HC05P1AP 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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