MC68HC08AS32A Datasheet, PDF (280/296 Pages) Motorola, Inc – Microcontrollers

Freescale Semiconductor, Inc.
Electrical Specifications
18.6 Control Timing
Characteristic⁽¹⁾
Symbol
Min
Max
Bus operating frequency
f_BUS
—
8.4
Internal clock period (1/f_Bus)
t_CYC
119
—
RST pulse width low
t_RL
50
—
IRQ interrupt pulse width low (edge-triggered)
t_ILIH
50
—
IRQ interrupt pulse period
t_ILIL
(2)
—
1. V_DD = 5.0 Vdc ± 10%, V_SS = 0 Vdc, T_A = –40°C to +105°C, unless otherwise noted.
2. The minimum period is the number of cycles it takes to execute the interrupt service routine plus 1 t_CYC.
Unit
MHz
ns
ns
ns
t_CYC
t_RL
RST
t_ILIL
t_ILIH
IRQ
Figure 18-1. RST and IRQ Timing
Data Sheet
280
Electrical Specifications
For More Information On This Product,
Go to: www.freescale.com
MC68HC08AS32A — Rev. 1
MOTOROLA