h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 534

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

EXTAL
V
φ
Rev. 2.00, 03/04, page 502 of 534
CC
Oscillator
φ
NMI
NMIEG
SSBY
φ
t
OSC1
t
DEXT
NMI exception
handling
NMIEG = 1
SSBY = 1
Figure 18.4 Oscillation Stabilization Timing (1)
Figure 18.5 Oscillation Stabilization Timing (2)
t
CH
SLEEP
instruction
Figure 18.3 System Clock Timing
t
cyc
t
Software standby mode
Cf
t
(power-down mode)
CL
t
Cr
stabilization time
Oscillation
t
OSC2
Input/output timing
measurement level :
Low level : 0.8 V
High level : 1.5 V
NMI exception handling
t
OSC1
t
DEXT