參數(shù)資料
型號: PIC12C672-04I/SM
廠商: Microchip Technology
文件頁數(shù): 78/129頁
文件大小: 0K
描述: IC MCU OTP 2KX14 A/D 8-SOIJ
產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標準包裝: 90
系列: PIC® 12C
核心處理器: PIC
芯體尺寸: 8-位
速度: 4MHz
外圍設(shè)備: POR,WDT
輸入/輸出數(shù): 5
程序存儲器容量: 3.5KB(2K x 14)
程序存儲器類型: OTP
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 4x8b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 8-SOIC(0.209",5.30mm 寬)
包裝: 管件
配用: XLT08SO-1-ND - SOCKET TRANSITION 8SOIC 150/208
AC164312-ND - MODULE SKT FOR PM3 16SOIC
ISPICR1-ND - ADAPTER IN-CIRCUIT PROGRAMMING
309-1048-ND - ADAPTER 8-SOIC TO 8-DIP
309-1047-ND - ADAPTER 8-SOIC TO 8-DIP
AC124001-ND - MODULE SKT PROMATEII 8DIP/SOIC
PIC12C67X
DS30561B-page 52
1999 Microchip Technology Inc.
FIGURE 8-4:
FLOWCHART OF A/D OPERATION
TABLE 8-2:
SUMMARY OF A/D REGISTERS
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
Power-on
Reset
Value on
all other
Resets
0Bh/8Bh
INTCON(1)
GIE
PEIE
T0IE
INTE
GPIE
T0IF
INTF
GPIF
0000 000x
0000 000u
0Ch
PIR1
—ADIF
-0-- ----
8Ch
PIE1
—ADIE
-0-- ----
1Eh
ADRES
A/D Result Register
xxxx xxxx
uuuu uuuu
1Fh
ADCON0
ADCS1
ADCS0
reserved
CHS1
CHS0
GO/DONE
reserved
ADON
0000 0000
9Fh
ADCON1
PCFG2
PCFG1
PCFG0
---- -000
05h
GPIO
SCL(2)
SDA(2)
GP5
GP4
GP3
GP2
GP1
GP0
11xx xxxx
11uu uuuu
85h
TRIS
TRIS5
TRIS4
TRIS3
TRIS2
TRIS1
TRIS0
--11 1111
Legend: x = unknown, u = unchanged, - = unimplemented read as '0'. Shaded cells are not used for A/D conversion.
Note 1:
These registers can be addressed from either bank.
2: The SCL (GP7) and SDA (GP6) bits are unimplemented on the PIC12C671/672 and read as ’0’.
Acquire
ADON = 0
ADON = 0?
GO = 0?
A/D Clock
GO = 0
ADIF = 0
Abort Conversion
SLEEP
Power-down A/D
Wait 2 TAD
Wake-up
Yes
No
Yes
No
Yes
Finish Conversion
GO = 0
ADIF = 1
Device in
No
Yes
Finish Conversion
GO = 0
ADIF = 1
Wait 2 TAD
Stay in Sleep
Selected Channel
= RC?
SLEEP
No
Yes
Instruction?
Start of A/D
Conversion Delayed
1 Instruction Cycle
From Sleep?
Power-down A/D
Yes
No
Wait 2 TAD
Finish Conversion
GO = 0
ADIF = 1
SLEEP?
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