87C752 Philips Semiconductors, 87C752 Datasheet - Page 18

• Manufacturer Part Number: 87C752
• Description: 80C51 8-bit microcontroller family 2K/64 OTP/ROM/ 5 channel 8 bit A/D/ I2C/ PWM/ low pin count
• Manufacturer: Philips Semiconductors

1. Address should be valid at least 24t
2. For a pure verify mode, i.e., no program mode in between, t
Philips Semiconductors
EPROM PROGRAMMING AND VERIFICATION
T
NOTES:
1999 Jul 23
amb
1/t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
AVGL
GHAX
DVGL
DVGL
GHDX
SHGL
GHSL
GLGH
AVQV
GHGL
SYNL
SYNH
MASEL
MAHLD
HASET
ADSTA
80C51 8-bit microcontroller family
2K/64 OTP/ROM, 5 channel 8 bit A/D, I
SYMBOL
CLCL
= 21 C to +27 C, V
1
2
V
PP
PROGRAMMING
/V
CLK SOURCE
IH
RESET
XTAL1
VOLTAGE
P0.2
P0.1
Oscillator/clock frequency
Address setup to P0.1 (PROG–) low
Address hold after P0.1 (PROG–) high
Data setup to P0.1 (PROG–) low
Data setup to P0.1 (PROG–) low
Data hold after P0.1 (PROG–) high
V
V
P0.1 (PROG–) width
V
P0.1 (PROG–) high to P0.1 (PROG–) low
P0.0 (sync pulse) low
P0.0 (sync pulse) high
ASEL high time
Address hold time
Address setup to ASEL
Low address to address stable
SOURCE
PULSES
PP
PP
PP
setup to P0.1 (PROG–) low
hold after P0.1 (PROG–)
low (V
UNDEFINED
UNDEFINED
CC
ADDRESS STROBE
MIN 2 MACHINE
= 5 V 10%, V
CC
CYCLES
) to data valid
A0–A10
CLCL
PARAMETER
BIT 0
SS
before the rising edge of P0.2 (V
= 0 V
CONTROL
RESET
LOGIC
Figure 8. Entry into Program/Verify Modes
BIT 1
Figure 7. Programming Configuration
BIT 2
2
AVQV
C, PWM, low pin count
BIT 3
is 14t
TEN BIT SERIAL CODE
18
CLCL
BIT 4
P3.0–P3.7
P0.0/ASEL
P0.1
P0.2
XTAL1
RESET
PP
maximum.
).
10 s + 24t
BIT 5
87C752
48t
38t
38t
36t
13t
13t
13t
4t
8t
2t
MIN
1.2
CLCL
CLCL
CLCL
10
10
90
10
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
P1.0–P1.7
BIT 6
CLCL
V
V
CC
SS
BIT 7
BIT 8
+5V
48t
83C752/87C752
MAX
110
CLCL
6
BIT 9
Product specification
SU00320
DATA BUS
SU00302
UNIT
MHz
s
s
s
s