参数资料
型号: PIC14000-04I/SP
厂商: Microchip Technology
文件页数: 121/153页
文件大小: 0K
描述: IC MCU OTP 4KX14 A/D 28DIP
产品培训模块: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
标准包装: 15
系列: PIC® 14
核心处理器: PIC
芯体尺寸: 8-位
速度: 4MHz
连通性: I²C
外围设备: POR,温度传感器,WDT
输入/输出数: 20
程序存储器容量: 7KB(4K x 14)
程序存储器类型: OTP
RAM 容量: 192 x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 6 V
数据转换器: 斜率 A/D
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 28-DIP(0.300",7.62mm)
包装: 管件
配用: ISPICR1-ND - ADAPTER IN-CIRCUIT PROGRAMMING
ICE2000-ND - EMULATOR MPLAB-ICE 2000 POD
1996 Microchip Technology Inc.
Preliminary
DS40122B-page 7
PIC14000
3.0
ARCHITECTURAL OVERVIEW
The PIC14000 addresses 4K x 14 program memory. All
program memory is internal. The PIC14000 can directly
or indirectly address its register les or data memory. All
special function registers including the program counter
are mapped in the data memory. The PIC14000 has an
orthogonal instruction set that makes it possible to
carry out any operation on any register using any
addressing mode. This symmetrical nature and lack of
‘special optimal situations’ make programming with the
PIC14000 simple yet efcient. In addition, the learning
curve is reduced signicantly.
The PIC14000 contains an 8-bit ALU and working
register. The ALU performs arithmetic and Boolean
functions between data in the working register and any
register le.
The ALU is capable of addition, subtraction, shift, and
logical
operations.
Unless
otherwise
mentioned,
arithmetic
operations
are
two's
complement.
In
two-operand instructions, typically one operand is the
working register (W register). The other operand is a
le register or an immediate constant. In single
operand instructions, the operand is either the
W register or a le register.
Depending on the instruction executed, the ALU may
affect the values of the Carry (C), Digit Carry (DC), and
Zero (Z) bits in the STATUS register. The C and DC bits
operate as a borrow bit and a digit borrow out bit,
respectively, in subtraction. See the SUBLW and SUBWF
instructions for examples.
A simplied block diagram for the PIC14000 is shown
in Figure 3-1, its corresponding pin description is
shown in Table 3-1.
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