M38588GCSP#U0 Renesas Electronics America, M38588GCSP#U0 Datasheet - Page 9

• Manufacturer Part Number: M38588GCSP#U0
• Description: IC 740/3858 MCU QZ-ROM 42DIP
• Manufacturer: Renesas Electronics America
• Series: 740/38000r

Specifications of M38588GCSP#U0

• Core Processor: 740
• Core Size: 8-Bit
• Speed: 12.5MHz
• Connectivity: SIO, UART/USART
• Peripherals: PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: QzROM
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 9x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 42-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Fig. 6 Register push and pop at interrupt generation and subroutine call
Table 3 Push and pop instructions of accumulator or processor status register
3858 Group
REJ03B0139-0111
page 7 of 73
Accumulator
Processor status register
P u s h r e t u r n a d d r e s s
o n s t a c k
P O P r e t u r n
a d d r e s s f r o m s t a c k
N o t e: C o n d i t i o n f o r a c c e p t a n c e o f a n i n t e r r u p t
Rev.1.11
M ( S )
( P C
M ( S )
( P C
E x e c u t e R T S
S u b r o u t i n e
I n t e r r u p t r e q u e s t
( S )
( S )
( S )
( S )
H
L
Dec 18, 2008
)
)
( S ) – 1
( S ) + 1
( S ) + 1
( P C
( S ) – 1
M ( S )
( P C
M ( S )
H
L
( N o t e )
)
)
O n - g o i n g R o u t i n e
E x e c u t e J S R
Push instruction to stack
PHA
PHP
I n t e r r u p t e n a b l e f l a g i s “ 1 ”
I n t e r r u p t d i s a b l e f l a g i s “ 0 ”
M ( S )
S e r v i c e R o u t i n e
M ( S )
M ( S )
( P C
( P C
( P S )
E x e c u t e R T I
( S )
( S )
( S )
( S )
( S )
( S )
I n t e r r u p t
H
L
)
)
( P S )
( S ) – 1
( S ) – 1
( S ) + 1
( S ) + 1
( S ) + 1
( P C
( S ) – 1
( P C
M ( S )
M ( S )
M ( S )
H
L
)
)
P u s h r e t u r n a d d r e s s
o n s t a c k
P u s h c o n t e n t s o f p r o c e s s o r
s t a t u s r e g i s t e r o n s t a c k
P O P c o n t e n t s o f
p r o c e s s o r s t a t u s
r e g i s t e r f r o m s t a c k
P O P r e t u r n
a d d r e s s
f r o m s t a c k
Pop instruction from stack
I F l a g i s s e t f r o m “ 0 ” t o “ 1 ”
F e t c h t h e j u m p v e c t o r
PLA
PLP