HP 8110A Service Manual page 222

T
he
M
C68331
M
icrop rocessor
D
BI
79
BEEPER
KEY:
DBI DE VICE BUS I NTERF ACE
GΡΓ GENE RAL PU RPOSE TI MER
ΙΜΒ INTER-MODULE BUS
ΕΒΙ EXTERNAL BUS INTERFACE
C
PU 32 CENTRAL
P
ROC ESSING UN IT
CLSM
Ουευε D SERIAL ΜΟDυΙ
F
INTERRUPTS
GΡΓ
R
PG
OS M
ΙΜΒ
CPU 32
M
C6833 Ι
78
12
K
EYBOARD
C
HIP
S
ELECL5
ΕΒΙ
CLOCK
TEST
DATA BLJS
CONTROLBUS
ADDRESS
SJS
Π
DIS PL AY
F
ig u re 7-3 . T he
M
ic r oprocessor
B
oard Fu nction al
U
nits
HP 811 OA Se rvice Guide
10
HP
-ΙΒ
BOOT
F37
CONT ROL
BATTERY
F 47
OSCI LIA TOR
ΓΖΙ
ΒΑΤΤΕRΥ
D]
BACKUP
A
ND
RESET
ADDRESS BUS
CONTROL
ELS
DATA BUS
13
MEMORY
CA RD
FLA SH
14
ΕΡRΟΜS Ι
FLASH
14
EPROMS 2
FLASH
14
E
PROMS 3
15
SRAMS Ι
15
S
R AMS 2
CL OC K 1711
DIVID ER
Functional Desc ri ption 7- 1 3