IBM EM78P447N 用户手册
EM78P447N
8-Bit Microcontroller with OTP ROM
2
•
Product Specification (V1.1) 03.30.2005
(This specification is subject to change without further notice)
Programmable free running watchdog timer
10 programmable pull-high pins
2 programmable open-drain pins
2 programmable R-option pins
Package types:
•
20 pin DIP 300mil
:EM78P447NDP
•
20 pin SOP 300mil
:EM78P447NDM
•
24 pin Skinny DIP 300mil :EM78P447NCK
•
24 pin SOP 300mil
:EM78P447NCM
•
28 pin DIP 600mil
:EM78P447NAP
•
28 pin SOP 300mil
:EM78P447NAM
•
28 pin SSOP 209mil
:EM78P447NAS
•
32 pin DIP 600mil
:EM78P447NBP
•
32 pin SOP 450mil
:EM78P447NBWM
99.9% single instruction cycle commands
The transient point of system frequency between HXT and LXT is around 400KHz