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SEG 9
SEGIO
SEG 11
SEG 12
SEG 13
SEG 14
Vpo
SEG (5
SEG 16
SEG 17
SEG 18
SEG 19
SEG 20
Function
Block
Name
2
z
f
36
55 6
oo oe
Hil
35 34
33
R50
R43
R42
Rai
R40
VoD
R92(SCK)
Rei (So)
Rso0 (S$ 1)
Re3(Th)
Re2(INTI)
N
N
Rei(T2)
Co
i)
a
2
°
©
a
Function
PC
ROM
IR, decorder
HR, LR
RAA
RAM
STACK
SPW
DC, data table
AX, AY
ALU
AC
FLAG
(CF ,ZF,SF,GF)
Program counter ( 12 bit )
Program memory ( including fixed date area )
Instruction resister, decoder
H resister ( RAM page specification ),
L sister ( address specification within RAM
page ) 4 bits each
:
RAM address buffer resister ( 8 bit )
Data memory
Program counter and flag save area
( RAM area )
Stack pointer word ( RAM area )
Data counter ( 12 bit, RAM area ), data table
( RAM area )
ALU input temporary resister
Arithmetic logic circuit
Accumulator
Flag
K, R
INTR control
FD
TC1, TC2
TC control
SIO control
LCD drive
control
HOLD control
SYS control
CG, TG
Input/output port
interrupt control (EIF: Interrupt permission
master F/F,
EIR: Interrupt permission
resister)
Divider ( 4 stage prescaler + 18 stages }
2 bit timer/counter 2 channel
( RAM area )
Timer/counter control
4 bit buffered serial port control
LCD drive circuit
Hold function control
Generation of various internal contro!
signals
Generator circuit, timing generator
ay 5
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