參數(shù)資料
型號(hào): MC68HC11EA9MFN2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC52
封裝: PLASTIC, LCC-52
文件頁(yè)數(shù): 49/58頁(yè)
文件大?。?/td> 583K
代理商: MC68HC11EA9MFN2
MC68HC11EA9
MOTOROLA
MC68HC11EA9TS/D
53
PF — Parity Error Flag
Set if received data has incorrect parity. Cleared by SCSR1 read with PE set, followed by SCDR read.
Bits [7:1] — Not implemented
Always read zero
RAF — Receiver Active Flag (Read only)
0 = The receiver circuitry is idle
1 = A character is being received
R8 — Receiver Bit 8
Ninth serial data bit received when SCI is configured for nine data bit operation (M = 1).
T8 — Transmitter Bit 8
Ninth serial data bit transmitted when SCI is configured for nine data bit operation (M = 1).
Bits [5:0] — Not implemented
Always read zero
R/T[7:0] — Receiver/Transmitter Data Bits 7 to 0
SCI data is double buffered in both directions.
SCSR2 — SCI Status Register 2
$102D
BIT 7
654321
BIT 0
———————
RAF
RESET:
00000000
SCDRH, SCDRL — SCI Data High, SCI Data Low
$102E, $102F
BIT 7
654321
BIT 0
$102E
R8
T8
——————
High
$102F
R7/T7
R6/T6
R5/T5
R4/T4
R3/T3
R2/T2
R1/T1
R0/T0
Low
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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