UPD78F1142AGB-GAH-AX Renesas Electronics America, UPD78F1142AGB-GAH-AX Datasheet - Page 595
UPD78F1142AGB-GAH-AX
Manufacturer Part Number
UPD78F1142AGB-GAH-AX
Description
MCU 16BIT 78K0R/KX3 64-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3r
Datasheet
1.UPD78F1142AGA-HAB-AX.pdf
(880 pages)
Specifications of UPD78F1142AGB-GAH-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
20MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F1142AGB-GAH-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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15.4.2 Software interrupt request acknowledgment
disabled.
status word (PSW), then program counter (PC), the IE flag is reset (0), and the contents of the vector table (0007EH,
0007FH) are loaded into the PC and branched.
Remark 1 clock: 1/f
Remark 1 clock: 1/f
A software interrupt acknowledge is acknowledged by BRK instruction execution. Software interrupts cannot be
If a software interrupt request is acknowledged, the contents are saved into the stacks in the order of the program
Restoring from a software interrupt is possible by using the RETB instruction.
Caution Do not use the RETI instruction for restoring from the software interrupt.
CPU processing
CPU processing
××IF
××IF
Figure 15-9. Interrupt Request Acknowledgment Timing (Maximum Time)
Figure 15-8. Interrupt Request Acknowledgment Timing (Minimum Time)
CLK
CLK
(f
(f
CLK
CLK
Instruction
Instruction
: CPU clock)
: CPU clock)
CHAPTER 15 INTERRUPT FUNCTIONS
User’s Manual U17854EJ9V0UD
Instruction
RET instruction
6 clocks
14 clocks
PSW and PC saved,
jump to interrupt
servicing
PSW and PC saved,
jump to interrupt
servicing
9 clocks
6 clocks
6 clocks
Interrupt servicing
program
Interrupt servicing
program
593
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