2 parameters, 6 usb connection, 1 schematic – Atmel AT89C5132 User Manual
Page 18: 7 in-system programming
18
4173ES–USB–09/07
AT89C5132
6.2.5.2
Parameters
Table 4. PLL Filter Characteristics
V
DD
= 2.7 to 3.3V , T
A
= -40 to +85
°
C
6.2.6
USB Connection
6.2.6.1
Schematic
Figure 6-6.
USB Connection
6.2.6.2
Parameters
Table 16. USB Characteristics
V
DD
= 3 to 3.3 V, T
A
= -40 to +85
°
C
6.2.7
In-system Programming
6.2.7.1
Schematic
Figure 6-7.
ISP Pull-down Connection
6.2.7.2
Parameters
Table 5. ISP Pull-Down Characteristics
V
DD
= 3 to 3.3V , T
A
= -40 to +85
°
C
Symbol
Parameter
Min
Typ
Max
Unit
R
Filter Resistor
100
Ω
C1
Filter Capacitance 1
10
nF
C2
Filter Capacitance 2
2.2
nF
D+
D-
VBUS
GND
D+
D-
VSS
To Power
R
USB
R
USB
VDD
Supply
R
FS
Symbol
Parameter
Min
Typ
Max
Unit
R
USB
USB Termination Resistor
27
Ω
R
FS
USB Full Speed Resistor
1.5
K
Ω
VSS
ISP
R
ISP
Symbol
Parameter
Min
Typ
Max
Unit
R
ISP
ISP Pull-Down Resistor
2.2
k
Ω