參數資料
型號: SC16C554BIB80,557
廠商: NXP Semiconductors
文件頁數: 39/57頁
文件大?。?/td> 0K
描述: IC UART QUAD SOT315-1
標準包裝: 595
通道數: 4,QUART
FIFO's: 16 字節(jié)
電源電壓: 2.5V,3.3V,5V
帶自動流量控制功能:
帶故障啟動位檢測功能:
帶調制解調器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 80-LQFP
供應商設備封裝: 80-LQFP(12x12)
包裝: 托盤
其它名稱: 568-8272
935274934557
SC16C554BIB80
SC16C554BIB80,557-ND
SC16C554BIB80-ND
2010-2012 Microchip Technology Inc.
DS41413C-page 45
PIC12(L)F1822/PIC16(L)F1823
FIGURE 3-7:
ACCESSING THE STACK EXAMPLE 4
3.4.2
OVERFLOW/UNDERFLOW RESET
If the STVREN bit in Configuration Word 2 is
programmed to ‘1’, the device will be reset if the stack
is PUSHed beyond the sixteenth level or POPed
beyond the first level, setting the appropriate bits
(STKOVF or STKUNF, respectively) in the PCON
register.
3.5
Indirect Addressing
The INDFn registers are not physical registers. Any
instruction that accesses an INDFn register actually
accesses the register at the address specified by the
File Select Registers (FSR). If the FSRn address
specifies one of the two INDFn registers, the read will
return ‘0’ and the write will not occur (though Status bits
may be affected). The FSRn register value is created
by the pair FSRnH and FSRnL.
The FSR registers form a 16-bit address that allows an
addressing space with 65536 locations. These locations
are divided into three memory regions:
Traditional Data Memory
Linear Data Memory
Program Flash Memory
0x0F
0x0E
0x0D
0x0C
0x0B
0x0A
0x09
0x08
0x07
0x06
0x05
0x04
0x03
0x02
0x01
Return Address
0x00
STKPTR = 0x10
When the stack is full, the next CALL or
an interrupt will set the Stack Pointer to
0x10. This is identical to address 0x00
so the stack will wrap and overwrite the
return address at 0x00. If the Stack
Overflow/Underflow Reset is enabled, a
Reset will occur and location 0x00 will
not be overwritten.
Return Address
TOSH:TOSL
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SC16C554BIB80-T 功能描述:UART 接口集成電路 4CH. UART 16B FIFO RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
SC16C554BIBM 功能描述:UART 接口集成電路 16CB 2.5V-5V 4CH UART 16B FIFO RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
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