80CL31 Datasheet, PDF (23/40 Pages) NXP Semiconductors – Low-voltage single-chip 8-bit microcontrollers

Philips Semiconductors
Low-voltage single-chip 8-bit microcontrollers
Product specification
80CL31/80CL51
OSCILLATOR TYPE SELECTION GUIDE
RESONATOR
Quartz
f(MHz)
0.032
OPTION
OSC. 1
C1 EXT. (pF)
MIN.
MAX.
0
0
C2 EXT. (pF)
MIN.
MAX.
5
15
MAX. RESONATOR
SERIES RESISTANCE
15 kΩ ¹
Quartz
1.0
OSC. 2
0
30
0
30
600 Ω
Quartz
3.58
Quartz
4.0
OSC. 2
0
15
0
15
OSC. 2
0
20
0
20
100 Ω
75 Ω
Quartz
6.0
Quartz
10.0
Quartz
12.0
OSC. 3
0
10
0
10
OSC. 4
0
15
0
15
OSC. 4
0
10
0
10
60 Ω
60 Ω
40 Ω
Quartz
16.0
OSC. 4
0
15
0
15
20 Ω
PXE
PXE
0.455
1.0
OSC. 2
40
50
40
50
OSC. 2
15
50
15
50
10 Ω
100 Ω
PXE
3.58
OSC. 2
0
40
0
40
10 Ω
PXE
4.0
PXE
6.0
OSC. 2
0
40
0
40
OSC. 2
0
20
0
20
10 Ω
5Ω
PXE
10.0
OSC. 3
0
15
0
15
6Ω
PXE
12.0
LC
OSC. 4
10
40
10
40
OSC. 2
20
90
20
90
6Ω
10 µH = 1 Ω
100 µH = 5 Ω
1 mH = 75 Ω
NOTES:
1. 32 kHz quartz crystals with a series resistance higher than 15 kΩ will reduce the guaranteed supply voltage range to 2.5 -3.5V.
2. The equivalent circuit data of the internal oscillator compares with that of matched crystals.
OSCILLATOR EQUIVALENT CIRCUIT PARAMETERS (SEE FIGURE 15)
SYMBOL
PARAMETER
OPTION
CONDITION
MIN.
g_m
Transconductance
g_m
g_m
g_m
C1_i
Input Capacitance
C1_i
C1_i
C1_i
C2_i
Output Capacitance
C2_i
C2_i
C2_i
R2
Output Capacitance
R2
R2
R2
Osc.1
Osc.2
Osc.3
Osc.4
Osc.1
Osc. 2
Osc. 3
Osc. 4
Osc.1
Osc. 2
Osc. 3
Osc. 4
Osc.1
Osc. 2
Osc. 3
Osc. 4
T = +25 °C; V_DD = 4.5V
T = +25 °C; V_DD = 4.5V
T = +25 °C; V_DD = 4.5V
T = +25 °C; V_DD = 4.5V
-
200
400
1000
-
-
-
-
-
-
-
-
-
-
-
-
TYP.
15
600
1500
4000
3.0
8.0
8.0
8.0
23
8.0
8.0
8.0
3800
65
18
5.0
MAX.
-
1000
4000
10000
-
-
-
-
-
-
-
-
-
-
-
-
UNIT
µs
µs
µs
µs
pF
pF
pF
pF
pF
pF
pF
pF
kΩ
kΩ
kΩ
kΩ
January 1995
23