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EM77950 Datasheet(PDF) 18 Page - ELAN Microelectronics Corp

Part # EM77950
Description  BB Controller
PDF  102 Pages
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Manufacturer  EMC [ELAN Microelectronics Corp]
Direct Link  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM77950 Datasheet(HTML) 18 Page - ELAN Microelectronics Corp

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EM77950
BB Controller
10
•
Product Specification (V1.0) 10.09.2007
(This specification is subject to change without further notice)
6
Memory
6.1 Program Memory
The EM77950 has a 14-bit program counter (PC). The space of program memory,
which is partitioned into 2 pages can address up to 12K. One page has 8K in length,
and the other is 4K. Fig. 6-1 depicts the profile of the program memory and stack. The
initial address is 0x0000. The table of interrupt-vectors starts from 0x10 to 0x80 with
every other eight-address space.
A13 A12 A11 A10
A7~A0
A9 A8
Stack 0
Stack 1
Stack 1E
Stack 1F
CALL
RET
RETL
RETI
PS0
Address
Page
0
0000 ~ 1 FFF 0
HPC
LPC
Addr
Vector
0000
Reset
0010 Key Wake-up
0020
TCCOF
0028
FRCOF
ACC2
ACC1
ACC0
SR2
SR1
SR0
RAMBS02
RAMBS01
RAMBS00
1
2000 ~ 2FFF
1
ROMPS2
ROMPS1
ROMPS0
INT
Fig. 6-1 Configuration of Program Memory (ROM) for EM77950



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