Datasheet

163
4337K–USB–04/08
AT89C5130A/31A-M
Figure 27-3. I
CC
Test Condition, Power-down Mode
Figure 27-4. Clock Signal Waveform for I
CC
Tests in Active and Idle Modes
27.2.1 LED’s
Note: 1. (T A = -20°C to +50°C, V
CC
- V
OL
= 2 V ± 20%)
27.3 USB DC Parameters
RST
EA
XTAL2
XTAL1
V
SS
V
CC
V
CC
I
CC
(NC)
P0
V
CC
All other pins are disconnected.
V
CC
V
CC
-0.5V
0.45V
0.7V
CC
0.2V
CC
-0.1
T
CLCH
T
CHCL
T
CLCH
= T
CHCL
= 5ns.
Table 27-1. LED Outputs DC Parameters
Symbol Parameter Min Typ Max Unit Test Conditions
I
OL
Output Low Current, P3.6 and P3.7 LED modes
1
2
5
2
4
10
4
8
20
mA
mA
mA
2 mA configuration
4 mA configuration
10 mA configuration
1
4
23
1 - V
BUS
2 - D -
3 - D +
4 - GND
USB “B”
Receptacle
V
REF
D +
D -
R
Rpad
Rpad
R = 1.5 kΩ
Rpad = 27Ω