2
Reset input
RESET
M37733S4LHP BLOCK DIAGRAM
V
CC
AV
CC
(0V)
V
SS
CNVss
(0V)
AV
SS
Reference
External data bus width
voltage input
selection input
V
REF
BYTE
pro
New
Clock input Clock output
X
IN
X
OUT
Enable
output
E
d
X
CIN
X
COUT
Instruction Register(8)
uct
Clock Generating Circuit
Incrementer(24)
Stack Pointer S(16)
Index Register Y(16)
Index Register X(16)
Data Buffer DB
L
(8)
Data Bank Register DT(8)
Data Buffer DB
H
(8)
Input Butter Register IB(16)
Program Address Register PA(24)
Processor Status Register PS(11)
Program Counter PC(16)
Direct Page Register DPR(16)
Data Address Register DA(24)
Instruction Queue Buffer Q
0
(8)
Instruction Queue Buffer Q
2
(8)
Program Bank Register PG(8)
Instruction Queue Buffer Q
1
(8)
Incrementer/Decrementer(24)
Accumulator A(16)
Timer TA4(16)
Watchdog Timer
Timer TB2(16)
UART2(9)
UART1(9)
UART0(9)
A-D Converter(10)
Timer TB1(16)
Timer TB0(16)
Timer TA3(16)
RAM
Timer TA2(16)
Data Bus(Odd)
2048 bytes
Timer TA1(16)
Data Bus(Even)
Address Bus
Timer TA0(16)
Accumulator B(16)
Arithmetic Logic
Unit(16)
X
COUT
X
CIN
P8(8)
P7(8)
P6(8)
P5(8)
P4(5)
Address higher middler/data (16)
Address lower (8)
1
RDY HOLD HLDA ALE BHE
R/
W
MITSUBISHI MICROCOMPUTERS
M37733S4LHP
16-BIT CMOS MICROCOMPUTER
Input/Output
port P8
Input/Output
port P7
Input/Output
port P6
Input/Output
port P5
Input/Output
port P4
Address bus/Data bus
Address bus
RENESAS [ RENESAS TECHNOLOGY CORP ]
