參數(shù)資料
型號: P89C536NBBB
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: CMOS single-chip 8-bit microcontrollers with FLASH program memory
中文描述: 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 X 1.75 MM, PLASTIC, SOT-307-2, QFP-44
文件頁數(shù): 28/32頁
文件大小: 269K
代理商: P89C536NBBB
Philips Semiconductors
Preliminary specification
89C536/89C538
80C51 8-bit microcontroller family
16K/64K/512 FLASH
1998 Apr 24
28
A
UTOMATIC
C
HIP
E
RASE
All data in the FLASH memory is erased. External erase verification
is not required. Erasure completion can be verified by DATA polling
and toggle bit checking after automatic erase starts. Device outputs
0 during erasure and 1 after erasure on Q7, Q0 to Q5 (Q6 is for
toggle bit; see toggle bit, DATA polling, timing waveform) are in high
impedance.
SU00878
V
CC
5V
12V
V
PP
A0–A15
WE
CE
OE
Q7
Q0–Q5
OV
SETUP AUTO CHIP ERASE/
ERASE COMMAND
AUTO CHIP ERASE & DATA POLLING
COMMAND IN
COMMAND IN
τ
VPH
τ
DF
τ
CESC
τ
DPA
τ
CESP
τ
CES
τ
CEP
τ
CEPH
1
τ
CEP
τ
QES
τ
CWC
τ
VPS
DATA POLLING
COMMAND IN
COMMAND IN
τ
DS
τ
DH
τ
DS
τ
DH
τ
AETC
Figure 23.
Automatic Chip Erase Timing Waveform
RESET
SU00879
12V
0V
V
PP
A0–A15
WE
CE
OE
FFH
Q0–Q7
COMMAND IN
τ
DS
τ
CEP
t
CWC
V
CC
5V
FFH
COMMAND IN
τ
VPS
τ
QES
τ
CEPH1
τ
CEP
τ
DH
τ
DS
τ
DH
Figure 24.
Reset Timing Waveform
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