參數(shù)資料
型號(hào)： PIC16CR77T-I/PT
廠商： Microchip Technology
文件頁數(shù)： 156/172頁
文件大小： 0K
描述： IC PIC MCU 8KX14 44TQFP
標(biāo)準(zhǔn)包裝： 1,200
系列： PIC® 16C
核心處理器： PIC
芯體尺寸： 8-位
速度： 20MHz
連通性： I²C，SPI，UART/USART
外圍設(shè)備： 欠壓檢測/復(fù)位，POR，PWM，WDT
輸入/輸出數(shù)： 33
程序存儲(chǔ)器容量： 14KB（8K x 14）
程序存儲(chǔ)器類型： ROM
RAM 容量： 368 x 8
電壓 - 電源 (Vcc/Vdd)： 2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 8x8b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 44-TQFP
包裝： 帶卷 (TR)
PIC18F2220/2320/4220/4320
DS39599G-page 82
2007 Microchip Technology Inc.
REGISTER 7-1:
EECON1: DATA EEPROM CONTROL REGISTER 1
R/W-x
U-0
R/W-0
R/W-x
R/W-0
R/S-0
EEPGD
CFGS
—
FREE
WRERR(1)
WREN
WR
RD
bit 7
bit 0
Legend:
S = Settable bit
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
EEPGD: Flash Program or Data EEPROM Memory Select bit
1 = Access Flash program memory
0 = Access data EEPROM memory
bit 6
CFGS: Flash Program/Data EEPROM or Configuration Select bit
1 = Access Configuration or Calibration registers
0 = Access Flash program or data EEPROM memory
bit 5
Unimplemented: Read as ‘0’
bit 4
FREE: Flash Row Erase Enable bit
1 = Erase the program memory row addressed by TBLPTR on the next WR command (cleared by
completion of erase operation)
0 = Perform write-only
bit 3
WRERR: EEPROM Error Flag bit(1)
1 = A write operation was prematurely terminated (MCLR or WDT Reset during self-timed erase or
program operation)
0 = The write operation completed normally
bit 2
WREN: Erase/Write Enable bit
1 = Allows write cycles
0 = Inhibits write cycles
bit 1
WR: Write Control bit
1 = Initiates a data EEPROM erase/write cycle or a program memory erase cycle or write cycle
(The operation is self-timed and the bit is cleared by hardware once write is complete.
The WR bit can only be set (not cleared) in software.)
0 = Write cycle is completed
bit 0
RD: Read Control bit
1 = Initiates a memory read (Read takes one cycle. RD is cleared in hardware. The RD bit can only be
set (not cleared) in software. RD bit cannot be set when EEPGD = 1.)
0 = Read completed
Note 1:
When a WRERR occurs, the EEPGD or FREE bits are not cleared. This allows tracing of the error
condition.
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