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參數資料
| 型號： | MC68HC11N4 |
| 廠商： | Motorola, Inc. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-Bit microcontroller(8位微控制器) |
| 中文描述： | 8位微控制器（8位微控制器） |
| 文件頁數： | 6/24頁 |
| 文件大小： | 261K |
| 代理商： | MC68HC11N4 |
MOTOROLA
6
AN1215/D
OVF — Overflow Flag
OVF is set if overflow from MSB on CREG is detected. This bit is cleared automatically by a write to this
register with bit 2 set.
DZF — Divide by Zero Flag
DZF is set if a divide by zero condition is detected. DZF is cleared automatically by a write to this register
with bit 1 set.
ACF — Arithmetic Completion Flag
ACF is set by completion of the arithmetic operation. ACF is cleared automatically by a write to this reg-
ister with bit 0 set.
Data register A (AREG) can hold either a 16-bit multiplicand or a 16-bit divisor. Data register B (BREG) can
hold either a 16-bit multiplier or a 16-bit remainder after division. Data register C (CREG), which is treated
as two 16-bit registers (CREG High and CREG Low), can hold a 32-bit product or accumulated product after
multiplication, or it can hold a 32-bit numerator before division and a 32-bit quotient after division. There is
an implied fixed radix point to the right of bits AREG0, BREG0, and CREG0.
Table 2
shows fractional numeric representation.
shows numeric ranges of ALU registers.
Table 3
shows typical data register formats.
shows signed expression of numbers. Table 4
Figure 3
Table 2 Numeric Ranges of ALU Registers
Register
AREG
BREG
CREG
Size
16 bits
16 bits
32 bits
Unsigned
0 to 65535
0 to 65535
0 to 4,294,967,295
Signed
–32,768 to +32,767
–32,768 to +32,767
–2,147,483,648 to +2,147,483,647
Table 3 Representation of Signed Numbers
Decimal
+2,147,483,647
+32,767
+1
0
–1
–2
–32,768
–2,147,483,647
16-Bit Hexadecimal
—
—
—
$7FFF
$0001
$0000
$FFFF
$FFFE
$8000
—
—
—
32-Bit Hexadecimal
$7FFF FFFF
$0000 7FFF
$0000 0001
$0000 0000
$FFFF FFFF
$FFFF FFFE
$FFFF 8000
$8000 0000
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| MC68HC16Z1CAG | 制造商:Freescale Semiconductor 功能描述: |
| MC68HC16Z1CAG16 | 功能描述:16位微控制器 - MCU 16 BIT MCU 1K RAM RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數據總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風格:SMD/SMT |
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| MC68HC16Z1CAG20 | 功能描述:16位微控制器 - MCU 16 BIT MCU 1K RAM RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數據總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風格:SMD/SMT |
| MC68HC16Z1CAG20 | 制造商:Freescale Semiconductor 功能描述:Microcontroller |
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