MC912DG128ACPVE Datasheet, PDF (207/478 Pages) Freescale Semiconductor, Inc – Upward compatible with M68HC11 instruction set

Freescale Semiconductor, Inc.
Oscillator
MC68HC912Dx128C Colpitts Oscillator Specification
Table 13-1. MC68HC912Dx128C 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)
7 1350 1730 2100 1550 1050 630 350
90
(VDDPLL=VDD)
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)
7 320 410 520 630 740 830 620 410
(VDDPLL=VDD)
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)
7 170
200
227
250
270
200
100
(VDDPLL=VDD)
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)
7 200
235
265
295
270
190
90
(VDDPLL=0)
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
MC68HC912DT128A — Rev 4.0
MOTOROLA
Oscillator
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Technical Data
207