參數(shù)資料
型號(hào)： PCD6003U
廠商： NXP SEMICONDUCTORS
元件分類： 通信及網(wǎng)絡(luò)
英文描述： Digital telephone answering machine chip
中文描述： SPECIALTY TELECOM CIRCUIT, UUC
文件頁數(shù)： 53/96頁
文件大?。?/td> 385K
代理商： PCD6003U
2001 Apr 17
53
Philips Semiconductors
Product specification
Digital telephone answering machine chip
PCD6003
12 EXTERNAL MEMORY INTERFACE
The external memory interface consists of the interface from the 80C51 microcontroller to external flash memory and
software debugging circuitry such as a Metalink emulator or target debugger. The external memory interface is shown in
Fig.22.
handbook, full pagewidth
MBL284
80C51
MCB
and
P4
EA
ALE
P0_INT
P2_INT
ARD
ALE
RST
P4.3
RD
WR
PSE
P4.1/FSK
P4.2/FSO
P4.4/FSI
P4.0/LE
P4.5/GPC
WNCAD
SCK/CLE
DI/ALE
DO
PSEN
E_LCD
P0
P0
P1
P3
MA
P2
MA
P2
IO7 to IO0
CENFLASH
OENCAD
FLASH
and
LCD
OTP
PCD6003
EXTERNAL
MEMORY
INTERFACE
control
XRAM MAPPED
REGISTERS
Fig.22 External memory interface.
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