MC68HC16Z1CAG16 Datasheet, PDF (292/500 Pages) Freescale Semiconductor, Inc – M68HC16Z Series users manual

Freescale Semiconductor, Inc.
Table A-9 20.97-MHz Clock Control Timing
(V_DD and V_DDSYN = 5.0 Vdc ± 5%, V_SS = 0 Vdc, T_A = T_L to T_H)
Num
Characteristic
PLL Reference Frequency Range¹
1
MC68HC16Z1
MC68HC16Z2
MC68HC16Z3
System Frequency²
On-Chip PLL System Frequency
2
Slow On-Chip PLL System Frequency
Fast On-Chip PLL System Frequency
External Clock Operation
PLL Lock Time^{1, 7, 8, 9}
Changing W or Y in SYNCR or exiting from
3
LPSTOP³
Warm Start-Up⁴
Cold Start-Up (fast reference option only)⁵
4 VCO Frequency⁶
Limp Mode Clock Frequency
5 SYNCR X bit = 0
SYNCR X bit = 1
CLKOUT Jitter^{1, 7, 8, 9, 10}
6 Short term (5 µs interval)
Long term (500 µs interval)
Symbol
f_ref
f_sys
t_lpll
f_VCO
f_limp
J_clk
Minimum
20
3.2
3.2
dc
4 (f_ref)
4 (f_ref) /128
dc
Maximum
50
5.2
5.2
20.97
20.97
20.97
20.97
—
—
—
—
–1.0
–0.5
20
50
75
2 (f_sys max)
f_sys max /2
f_sys max
1.0
0.5
NOTES:
1. Refer to notes in Table A-10
Unit
kHz
MHz
MHz
MHz
ms
MHz
MHz
%
ELECTRICAL CHARACTERISTICS
M68HC16 Z SERIES
A-8
For More Information On This Product,
USER’S MANUAL
Go to: www.freescale.com