MC912D60ACPVE8 Datasheet, PDF (189/460 Pages) Freescale Semiconductor, Inc – MC68HC912D60A MC68HC912D60C MC68HC912D60P Technical Data

Oscillator
MC68HC912D60C Colpitts Oscillator Specification
Table 12-1. MC68HC912D60C EXTAL–XTAL Capacitor Values vs. Maximum ESR, Shunt
Capacitance, and VDDPLL setting
Maximum ESR vs. EXTAL–XTAL capacitor value, 1MHz resonators
3 1570 2080 2620 2700 1870 1140 630 170
Shunt
Capacitance ^{5 1460 1890 2340 2010 1370 830}
460
120
(pF)
(VDDPLL=VDD)
7
1350 1730 2100 1550 1050
630
350
90
10 1210 1520 1600 1100 740 440 240
60
C_EXTAL-XTAL (pF) 100pF 82pF 68pF 56pF 47pF 39pF 33pF 27pF
22pF
18pF
Maximum ESR vs. EXTAL–XTAL capacitor value, 2MHz resonators
3 360 480 620 780 940 1100 1080 730
Shunt
Capacitance ⁵
340
450
570
700
830
950
800
530
(pF)
(VDDPLL=VDD)
7
320
410
520
630
740
830
620
410
10 290 370 450 550 620 600 440 290
C_EXTAL-XTAL (pF) 100pF 82pF 68pF 56pF 47pF 39pF 33pF 27pF
440
320
250
170
22pF
240
170
130
90
18pF
Maximum ESR vs. EXTAL–XTAL capacitor value, 4MHz resonators
3 210
255
290
335
370
340
175
Shunt
Capacitance ⁵
190
225
254
290
310
255
130
(pF)
(VDDPLL=VDD)
7
170
200
227
250
270
200
100
10 145
170
190
205
205
140
70
3 250
300
350
400
440
325
165
Shunt
Capacitance ⁵
225
265
305
340
345
245
120
(pF)
(VDDPLL=0)
7 200
235
265
295
270
190
90
10 175
200
220
240
195
135
65
C_EXTAL-XTAL (pF) 47pF 39pF 33pF 27pF 22pF 18pF 13pF
80
60
45
25
75
55
40
20
10pF
MC68HC912D60A — Rev. 3.1
Freescale Semiconductor
Oscillator
Technical Data
189