參數(shù)資料
型號(hào): P83C748EBAA
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 80C51 8-bit microcontroller family 2K/64 OTP/ROM, low pin count
中文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQCC28
封裝: PEDESTAL, PLASTIC, SOT-261-3, LCC-28
文件頁(yè)數(shù): 13/18頁(yè)
文件大?。?/td> 131K
代理商: P83C748EBAA
Philips Semiconductors
Preliminary specification
83C748/87C748
80C51 8-bit microcontroller family
2K/64 OTP/ROM, low pin count
1999 Apr 15
13
A0–A10
ADDRESS STROBE
PROGRAMMING
PULSES
V
PP
/V
IH
VOLTAGE
SOURCE
CLK SOURCE
CRESET
LOGIC
87C748
P3.0–P3.7
P0.0/ASEL
P0.1
P0.2
XTAL1
RESET
V
CC
V
SS
P1.0–P1.7
+5V
DATA BUS
SU00301
Figure 5. Programming Configuration
MIN 2 MACHINE
CYCLES
TEN BIT SERIAL CODE
BIT 0
BIT 1
BIT 2
BIT 3
BIT 4
BIT 5
BIT 6
BIT 7
BIT 8
BIT 9
UNDEFINED
UNDEFINED
XTAL1
RESET
P0.2
P0.1
SU00302
Figure 6. Entry into Program/Verify Modes
5V
12.75V
5V
25 PULSES
t
SHGL
t
GHSL
t
GLGH
t
GHGL
98
μ
s MIN
10
μ
s MIN
t
MASEL
t
HASET
t
ADSTA
t
DVGL
t
GHDX
t
AVQV
VERIFY MODE
PROGRAM MODE
VERIFY MODE
P0.2 (V
PP
)
P0.1 (PGM)
P0.0 (ASEL)
PORT 3
PORT 1
INVALID DATA
VALID DATA
DATA TO BE PROGRAMMED
INVALID DATA
VALID DATA
HIGH ADDRESS
LOW ADDRESS
t
HAHLD
t
AVGL
SU00303
Figure 7. Program/Verify Cycle
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