參數(shù)資料
型號: 935267812557
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP44
封裝: PLASTIC, QFP-44
文件頁數(shù): 30/52頁
文件大?。?/td> 288K
代理商: 935267812557
Philips Semiconductors
Preliminary data
P89C51RB2/P89C51RC2/
P89C51RD2
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM
2001 Jun 27
36
tLLAX
ALE
PSEN
PORT 0
PORT 2
WR
A0–A7
FROM RI OR DPL
DATA OUT
A0–A7 FROM PCL
INSTR IN
P2.0–P2.7 OR A8–A15 FROM DPF
A0–A15 FROM PCH
tWHLH
tLLWL
tWLWH
tAVLL
tAVWL
tQVWX
tWHQX
tQVWH
SU00026
Figure 31. External Data Memory Write Cycle
0
1
2
3
4
5
678
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE TO SBUF
INPUT DATA
CLEAR RI
VALID
SET TI
SET RI
tXLXL
tQVXH
tXHQX
tXHDX
tXHDV
SU00027
12
3
0
456
7
Figure 32. Shift Register Mode Timing
VCC–0.5
0.45V
0.7VCC
0.2VCC–0.1
tCHCL
tCLCL
tCLCH
tCLCX
tCHCX
SU00009
Figure 33. External Clock Drive
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08-50-0031 2.5mm KK Crp Term Chn il W/Ct Ear
08-50-0032 CRIMP PIN, 22-30AWG, PK1000; Series:KK; Connector type:Contact, Crimp; Gender:Socket; Termination method:Crimp; Material, contact:Brass; Plating, contact:Tin; Wire size, AWG:22AWG; Approval Bodies:UL, CSA; Area, wire size RoHS Compliant: Yes
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