参数资料
型号: PIC12C671T-04I/SM
厂商: Microchip Technology
文件页数: 13/129页
文件大小: 0K
描述: IC MCU OTP 1KX14 A/D 8-SOIJ
产品培训模块: Asynchronous Stimulus
标准包装: 2,100
系列: PIC® 12C
核心处理器: PIC
芯体尺寸: 8-位
速度: 4MHz
外围设备: POR,WDT
输入/输出数: 5
程序存储器容量: 1.75KB(1K x 14)
程序存储器类型: OTP
RAM 容量: 128 x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 5.5 V
数据转换器: A/D 4x8b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.209",5.30mm 宽)
包装: 带卷 (TR)
配用: AC164312-ND - MODULE SKT FOR PM3 16SOIC
309-1048-ND - ADAPTER 8-SOIC TO 8-DIP
309-1047-ND - ADAPTER 8-SOIC TO 8-DIP
1999 Microchip Technology Inc.
DS30561B-page 11
PIC12C67X
4.0
MEMORY ORGANIZATION
4.1
Program Memory Organization
The PIC12C67X has a 13-bit program counter capable
of addressing an 8K x 14 program memory space.
For the PIC12C671 and the PIC12CE673, the first 1K x
14 (0000h-03FFh) is implemented.
For the PIC12C672 and the PIC12CE674, the first 2K
x 14 (0000h-07FFh) is implemented. Accessing a loca-
tion above the physically implemented address will
cause a wraparound. The reset vector is at 0000h and
the interrupt vector is at 0004h.
FIGURE 4-1:
PIC12C67X PROGRAM
MEMORY MAP AND STACK
PC<12:0>
13
0000h
0004h
0005h
07FFh
1FFFh
Stack Level 1
Stack Level 8
Reset Vector
Interrupt Vector
On-Chip Program
Memory
CALL, RETURN
RETFIE, RETLW
0800h
0400h
03FFh
Peripheral
(PIC12C672 and
PIC12CE674 only)
4.2
Data Memory Organization
The data memory is partitioned into two banks, which
contain the General Purpose Registers and the Special
Function Registers. Bit RP0 is the bank select bit.
RP0 (STATUS<5>) = 1
→ Bank 1
RP0 (STATUS<5>) = 0
→ Bank 0
Each Bank extends up to 7Fh (128 bytes). The lower
locations of each Bank are reserved for the Special
Function Registers. Above the Special Function Regis-
ters are General Purpose Registers implemented as
static RAM. Both Bank 0 and Bank 1 contain Special
Function Registers. Some "high use" Special Function
Registers from Bank 0 are mirrored in Bank 1 for code
reduction and quicker access.
Also note that F0h through FFh on the PIC12C67X is
mapped into Bank 0 registers 70h-7Fh as common
RAM.
4.2.1
GENERAL PURPOSE REGISTER FILE
The register file can be accessed either directly or indi-
rectly
through
the
File
Select
Register
FSR
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