PORTE DATA DIRECTION CONTROL REGISTER<" />
參數(shù)資料
型號: PIC16C745/JW
廠商: Microchip Technology
文件頁數(shù): 99/165頁
文件大?。?/td> 0K
描述: IC MCU EPROM8KX14 USB A/D 28CDIP
標(biāo)準(zhǔn)包裝: 15
系列: PIC® 16C
核心處理器: PIC
芯體尺寸: 8-位
速度: 24MHz
連通性: SCI,UART/USART,USB
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 22
程序存儲器容量: 14KB(8K x 14)
程序存儲器類型: EPROM,UV
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 4.35 V ~ 5.25 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 5x8b
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 28-CDIP(0.300",7.62mm)窗口
包裝: 管件
2000 Microchip Technology Inc.
Preliminary
DS41124C-page 39
PIC16C745/765
REGISTER 5-1:
PORTE DATA DIRECTION CONTROL REGISTER(1) (TRISE: 89h)
TABLE 5-10:
SUMMARY OF REGISTERS ASSOCIATED WITH PORTE
R-0
R/W-0
U-0
R/W-1
IBF
OBF
IBOV
PSPMODE
TRISE2
TRISE1
TRISE0
R
= Readable bit
W = Writable bit
U
= Unimplemented bit,
read as ‘0’
- n = Value at POR reset
bit7
bit0
bit 7 :
IBF: Input Buffer Full Status bit
1
= A word has been received and is waiting to be read by the CPU
0
= No word has been received
bit 6:
OBF: Output Buffer Full Status bit
1
= The output buffer still holds a previously written word
0
= The output buffer has been read
bit 5:
IBOV: Input Buffer Overflow Detect bit (in microprocessor mode)
1
= A write occurred when a previously input word has not been read (must be cleared in software)
0
= No overflow occurred
bit 4:
PSPMODE: Parallel Slave Port Mode Select bit
1
= Parallel slave port mode
0
= General purpose I/O mode
bit 3:
Unimplemented: Read as '0'
PORTE Data Direction Bits
bit 2:
TRISE2: Direction Control bit for pin RE2/CS/AN7
1
= Input
0
= Output
bit 1:
TRISE1: Direction Control bit for pin RE1/WR/AN6
1
= Input
0
= Output
bit 0:
TRISE0: Direction Control bit for pin RE0/RD/AN5
1
= Input
0
= Output
Note 1:
PIC16C765 only.
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on:
POR,
BOR
Value on all
other resets
09h
PORTE(1)
RE2
RE1
RE0
---- -xxx
---- -uuu
89h
TRISE(1)
IBF
OBF
IBOV
PSPMODE
PORTE Data Direction Bits
0000 -111
9Fh
ADCON1
PCFG2
PCFG1
PCFG0
---- -000
Legend: x = unknown, u = unchanged, - = unimplemented read as '0'. Shaded cells are not used by PORTE.
Note 1:
PIC16C765 only.
745cov.book Page 39 Wednesday, August 2, 2000 8:24 AM
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