參數(shù)資料
型號: PIC17C43
英文描述: PIC17C42/42A/43/44/CR42A/CR43 Datasheet
中文描述: PIC17C42/42A/43/44/CR42A/CR43數(shù)據(jù)表
文件頁數(shù): 60/71頁
文件大?。?/td> 1173K
代理商: PIC17C43
1996 Microchip Technology Inc.
DS30412C-page 63
PIC17C4X
TABLE 9-9:
PORTE FUNCTIONS
TABLE 9-10:
REGISTERS/BITS ASSOCIATED WITH PORTE
Name
Bit
Buffer Type
Function
RE0/ALE
bit0
TTL
Input/Output or system bus Address Latch Enable (ALE) control pin.
RE1/OE
bit1
TTL
Input/Output or system bus Output Enable (OE) control pin.
RE2/WR
bit2
TTL
Input/Output or system bus Write (WR) control pin.
Legend: TTL = TTL input.
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
(Note1)
15h, Bank 1
PORTE
RE2/WR
RE1/OE
RE0/ALE
---- -xxx
---- -uuu
14h, Bank 1
DDRE
Data direction register for PORTE
---- -111
Legend: x = unknown, u = unchanged, - = unimplemented read as '0'. Shaded cells are not used by PORTE.
Note 1:
Other (non power-up) resets include: external reset through MCLR and the Watchdog Timer Reset.
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