SH7058 Datasheet, PDF (121/1130 Pages) Renesas Technology Corp – Renesas SuperHTM RISC engine

Oscillator
OSCSTOP
On-chip oscillation
Internal clock ( )
Peripheral clock (P )
Normal operation
tdr
On-chip oscillation operation
Figure 5.7 Oscillation Stop Detection Timing
Table 5.6 Abnormal Operation Detection with Oscillation Stop Detection Circuit
min typ max
Detection time —
(tdr)
— 1.0
(ms)
Precaution
As the capability, it ranges from about 30 to 20 µs.
Table 5.7 Frequencies of On-Chip Oscillator Circuit (Internal Clock φ Frequency)
Internal clock φ frequency
(for multiplication by 8)
min
10M(Hz)
Internal clock φ frequency 5M(Hz)
(for multiplication by 4)
typ
30M(Hz)
15M(Hz)
max
40M(Hz)
20M(Hz)
Precaution
On-chip oscillation frequency
differs depending on temperature
and operation voltage.
On-chip oscillation frequency
differs depending on temperature
and operation voltage.
Rev. 3.0, 09/04, page 80 of 1086