Справочник Пользователя для IBM EM78P447N
EM78P447N
8-Bit Microcontroller with OTP ROM
8
•
Product Specification (V1.1) 03.30.2005
(This specification is subject to change without further notice)
All instruction are single instruction cycle (fclk/2 or fclk/4) except for the instruction
that would change the contents of R2. Such instruction will need one more
instruction cycle.
that would change the contents of R2. Such instruction will need one more
instruction cycle.
A7 ~ A0
On-chip Program
Memory
000H
FFFH
001H
Hardware Vector
U
ser
Memor
y
Sp
ac
ac
e
Software Vector
Reset Vector
002H
A9 A8
A11 A10
Stack Level 1
Stack Level 3
Stack Level 2
Stack Level 4
Stack Level 5
Stack Level 5
CALL
00 PAGE0 0000~03FF
01 PAGE1 0400~07FF
10 PAGE2 0800~0BFF
11 PAGE3 0C00~0FFF
R3
RET
RETL
RETL
RETI
Fig. 3 Program Counter Organization