參數(shù)資料
型號(hào): MC68HC11KA4TS
廠商: Motorola, Inc.
英文描述: KPT 3C 3#16 PIN PLUG
中文描述: 8位微控制器
文件頁數(shù): 43/68頁
文件大小: 365K
代理商: MC68HC11KA4TS
MC68HC11KA4
MC68HC11KA4TS/D
MOTOROLA
43
FE — Framing Error
FE is set when a zero is detected where a stop bit was expected. Clear the FE flag by reading SCSR1
with FE set and then reading SCDR.
0 = Stop bit detected
1 = Zero detected
PF — Parity Error Flag
PF is set if received data has incorrect parity. Clear PF by reading SCSR1 with PE set and then reading
SCDR.
0 = Parity correct
1 = Incorrect parity detected
Bits [7:1] — Not implemented
Always read zero
RAF — Receiver Active Flag (Read only)
0 = A character is not being received
1 = A character is being received
R8 — Receiver Bit 8
Ninth serial data bit received when SCI is configured for a nine data bit operation.
T8 — Transmitter Bit 8
Ninth serial data bit transmitted when SCI is configured for a nine data bit operation.
Bits [5:0] — Not implemented
Always read zero
R/T[7:0] — Receiver/Transmitter Data Bits [7:0]
SCI data is double buffered in both directions.
SCSR2
—SCI Status Register 2
$0075
Bit 7
6
5
4
3
2
1
Bit 0
RAF
RESET:
0
0
0
0
0
0
0
0
SCDRH/L
—SCI Data Register High/Low
$0076, $0077
Bit 7
6
5
4
3
2
1
Bit 0
$0076
R8
T8
SCDRH (High)
$0077
R7/T7
R6/T6
R5/T5
R4/T4
R3/T3
R2/T2
R1/T1
R0/T0
SCDRL (Low)
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參數(shù)描述
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