參數(shù)資料
型號: PIC14000-04/SO
廠商: Microchip Technology
文件頁數(shù): 35/153頁
文件大?。?/td> 0K
描述: IC MCU OTP 4KX14 A/D 28SOIC
產(chǎn)品培訓模塊: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標準包裝: 27
系列: PIC® 14
核心處理器: PIC
芯體尺寸: 8-位
速度: 4MHz
連通性: I²C
外圍設(shè)備: POR,溫度傳感器,WDT
輸入/輸出數(shù): 20
程序存儲器容量: 7KB(4K x 14)
程序存儲器類型: OTP
RAM 容量: 192 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 6 V
數(shù)據(jù)轉(zhuǎn)換器: 斜率 A/D
振蕩器型: 內(nèi)部
工作溫度: 0°C ~ 70°C
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
包裝: 管件
配用: ISPICR1-ND - ADAPTER IN-CIRCUIT PROGRAMMING
309-1073-ND - ADAPTER 28-SOIC TO 28-SOIC
309-1024-ND - ADAPTER 28-SOIC TO 28-DIP
309-1023-ND - ADAPTER 28-SOIC TO 28-DIP
1996 Microchip Technology Inc.
Preliminary
DS40122B-page 13
PIC14000
4.0
MEMORY ORGANIZATION
4.1
Program Memory Organization
The PIC14000 has a 13-bit program counter capable of
addressing an 8K x 14 program memory space. Only
the rst 4K x 14 (0000-0FFFh) are physically imple-
mented. Accessing a location above the physically
implemented address will cause a wraparound. The
reset vector is at 0000h and the interrupt vector is at
The 4096 words of Program Memory space are divided
into:
Address Vectors (addr 0000h-0004h)
Program Memory Page 0 (addr 0005h-07FFH)
Program Memory Page 1 (addr 0800h-0FBFh)
Calibration Space (64 words, addr 0FC0h-0FFFh)
Program code may reside in Page 0 and Page 1.
FIGURE 4-1:
PIC14000 PROGRAM
MEMORY MAP AND STACK
PC<12:0>
Stack Level 1
Stack Level 8
Reset Vector
Interrupt Vector
Program
Memory
&
Calibration
Space
CALL, RETURN,
RETFIE, RETLW
13
0000h
0004h
0005h
0FFFh
1000h
20FFh
07FFh
(4096
words)
On-chip Program
Memory (Page 0)
0800h
On-chip Program
Memory (Page 1)
Calibration Space
(64 words)
0FC0h
0FBFh
4.1.1
CALIBRATION SPACE
The calibration space is not used for instructions. This
section stores constants and factors for the arithmetic
calculations to calibrate the analog measurements.
TABLE 4-1:
CALIBRATION DATA
OVERVIEW*
* Refer to AN621 for details.
** Microchip modied IEEE754 32-bit oating point format.
Refer to application note AN575 for details.
Address
Parameter
Symbol
Units
Format
0FC0h-0FC3h
Slope
reference
ratio
K
REF
N/A
32-bit
oating
point**
0FC4h-0FC7h
Bandgap
reference
voltage
K
BG
Volts
32-bit
oating
point
0FC8h-0FCBh
Tempera-
ture sensor
voltage
V
THERM
Volts
32-bit
oating
point
0FCCh-0FCFh
Tempera-
ture sensor
coefcient
K
TC
Volts/
degree
Celsius
32-bit
oating
point
0FD0h
Internal
oscillator
frequency
multiplier
F
OSC
N/A
byte
0FD2h
WDT
time-out
T
WDT
ms
byte
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