M38513E4FP#U0 Renesas Electronics America, M38513E4FP#U0 Datasheet - Page 10

• Manufacturer Part Number: M38513E4FP#U0
• Description: IC 740 MCU ROM 16K 42SSOP
• Manufacturer: Renesas Electronics America
• Series: 740/38000r

Specifications of M38513E4FP#U0

• Core Processor: 740
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SIO, UART/USART
• Peripherals: PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: OTP
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 42-SSOP
• Package: 42SSOP
• Family Name: 740
• Maximum Speed: 8 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 34
• Interface Type: I2C-BUS
• On-chip Adc: 5-chx10-bit
• Number Of Timers: 4
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Fig. 6 Register push and pop at interrupt generation and subroutine call
Table 5 Push and pop instructions of accumulator or processor status register
3851 Group
Rev.1.01
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
Oct 15, 2003
(Built-in 24 KB or more ROM)
Note: Condition for acceptance of an interrupt
page 8 of 89
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
)
)
( S ) – 1
(S)– 1
( S ) + 1
( S ) + 1
(PC
M ( S )
( P C
M ( S )
H
L
(Note)
)
)
On-going Routine
Push instruction to stack
E x e c u t e J S R
PHA
PHP
Interrupt enable flag is “1”
Interrupt disable flag is “0”
M ( S )
S e r v i c e R o u t i n e
M (S)
M (S)
(PC
(PC
( 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
(PC
(S) – 1
(S) – 1
(PC
(S) – 1
M (S)
M (S)
M ( S )
H
L
)
)
Push return address
on stack
Push contents of processor
status register on stack
POP contents of
processor status
register from stack
POP return
address
from stack
Pop instruction from stack
I Flag is set from “0” to “1”
Fetch the jump vector
PLA
PLP