M38039G6HSP#U0 Renesas Electronics America, M38039G6HSP#U0 Datasheet - Page 14

• Manufacturer Part Number: M38039G6HSP#U0
• Description: IC 740/3803 MCU QZROM 64DIP
• Manufacturer: Renesas Electronics America
• Series: 740/38000r

Specifications of M38039G6HSP#U0

• Core Processor: 740
• Core Size: 8-Bit
• Speed: 16.8MHz
• Connectivity: SIO, UART/USART
• Peripherals: LED, PWM, WDT
• Number Of I /o: 56
• Program Memory Size: 24KB (24K x 8)
• Program Memory Type: QzROM
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 64-SDIP (0.750", 19.05mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

3803 Group (Spec.H QzROM version)
REJ03B0166-0113 Rev.1.13
Page 12 of 100
Fig 8.
Table 4
Accumulator
Processor status register
Push Return
Address
on Stack
POP Return
Address from
Stack
Register push and pop at interrupt generation and subroutine call
Push and pop instructions of accumulator or processor status register
Note : Condition for acceptance of an interrupt → Interrupt enable flag is “1”
M(S)←(PC
(S)←(S) + 1
(PC
(S)←(S) − 1
M(S)←(PC
(
(S)←(S) + 1
(PC
S
Execute RTS
Subroutine
)
←
L
H
(
)←M(S)
)←M(S)
S
)
−
Interrupt request
1
H
L
)
)
Aug 21, 2009
(Note)
On-going Routine
Execute JSR
Push instruction to stack
PHA
PHP
Interrupt disable flag is “0”
Service Routine
M(S)←(PC
(S)←(S) − 1
M(S)←(PC
(S)←(S) − 1
(S)←(S) + 1
(S)←(S) + 1
(PC
(S)←(S) + 1
(PC
(S)←(S) − 1
M(S)←(PS)
(PS)←M(S)
Execute RTI
Interrupt
L
H
)←M(S)
)←M(S)
H
L
Pop instruction from stack
)
)
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
I Flag is Set from
“0” to “1”
Fetch the Jump
Vector
PLA
PLP