參數(shù)資料
型號： MC68HC705C9ACP
廠商： Freescale Semiconductor
文件頁數(shù)： 82/118頁
文件大?。?/td> 0K
描述： IC MCU 2.1MHZ 16K OTP 40-DIP
標(biāo)準(zhǔn)包裝： 9
系列： HC05
核心處理器： HC05
芯體尺寸： 8-位
速度： 2.1MHz
連通性： SCI，SPI
外圍設(shè)備： POR，WDT
輸入/輸出數(shù)： 24
程序存儲器容量： 16KB（16K x 8）
程序存儲器類型： OTP
RAM 容量： 352 x 8
電壓 - 電源 (Vcc/Vdd)： 3 V ~ 5.5 V
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 40-DIP（0.600"，15.24mm）
包裝： 管件
Serial Communications Interface (SCI)
MC68HC05C9A Advance Information Data Sheet, Rev. 4.1
66
Freescale Semiconductor
T8 — Bit 8 (Transmitted)
When the SCI is transmitting 9-bit characters, T8 is the ninth bit of the transmitted character. T8 is
loaded into the transmit shift register at the same time that the SCDR is loaded into the transmit
register. Resets have no effect on the T8 bit.
M — Character Length Bit
This read/write bit determines whether SCI characters are 8 bits long or 9 bits long. The ninth bit can
be used as an extra stop bit, as a receiver wakeup signal, or as a mark or space parity bit. Resets have
no effect on the M bit.
1 = 9-bit SCI characters
0 = 8-bit SCI characters
WAKE — Wakeup Method Bit
This read/write bit determines which condition wakes up the SCI: a logic 1 (address mark) in the most
significant bit (MSB) position of a received character or an idle condition on the PD0/RDI pin. Resets
have no effect on the WAKE bit.
1 = Address mark wakeup
0 = Idle line wakeup
9.13.3 SCI Control Register 2
SCI control register 2 (SCCR2), shown in Figure 9-10, has these functions:
Enables the SCI receiver and SCI receiver interrupts
Enables the SCI transmitter and SCI transmitter interrupts
Enables SCI receiver idle interrupts
Enables SCI transmission complete interrupts
Enables SCI wakeup
Transmits SCI break characters
TIE — Transmit Interrupt Enable Bit
This read/write bit enables SCI interrupt requests when the TDRE flag becomes set. Resets clear the
TIE bit.
1 = TDRE interrupt requests enabled
0 = TDRE interrupt requests disabled
TCIE — Transmission Complete Interrupt Enable Bit
This read/write bit enables SCI interrupt requests when the TC flag becomes set. Resets clear the
TCIE bit.
1 = TC interrupt requests enabled
0 = TC interrupt requests disabled
$000F
Bit 7
6543
2
1
Bit 0
Read:
TIE
TCIE
RIE
ILIE
TE
RE
RWU
SBK
Write:
Reset:
00000
0
Figure 9-10. SCI Control Register 2 (SCCR2)
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MC68HC705C9ACPE 制造商:Freescale Semiconductor 功能描述:
MC68HC705C9AFNE 功能描述:8位微控制器 -MCU 8B MCU 352 BYTES RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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