UPD78F9200MA-CAC-A Renesas Electronics America, UPD78F9200MA-CAC-A Datasheet - Page 186
UPD78F9200MA-CAC-A
Manufacturer Part Number
UPD78F9200MA-CAC-A
Description
MCU 8BIT 1KB FLASH 128B RAM
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9200MA-CAC-A.pdf
(342 pages)
Specifications of UPD78F9200MA-CAC-A
Package / Case
*
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Speed
10MHz
Number Of I /o
7
Core Processor
78K0S
Program Memory Type
FLASH
Ram Size
128 x 8
Program Memory Size
1KB (1K x 8)
Data Converters
A/D 4x10b
Oscillator Type
Internal
Peripherals
LVD, POR, PWM, WDT
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
UPD78F9200MA-CAC-A
Manufacturer:
NEC
Quantity:
20 000
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Before each interrupt request acknowledgement, the EI instruction is issued, the interrupt mask is released, and the
interrupt request acknowledgement enable state is set.
INTyy is not acknowledged, and multiple interrupts are not generated. The INTyy request is held pending and
acknowledged after the INTxx servicing is performed.
184
During interrupt INTxx servicing, interrupt request INTyy is acknowledged, and multiple interrupts are generated.
Caution Multiple interrupts can be acknowledged even for low-priority interrupts.
Because interrupts are not enabled in interrupt INTxx servicing (the EI instruction is not issued), interrupt request
IE = 0: Interrupt request acknowledgment disabled
Example 2. Multiple interrupts are not generated because interrupts are not enabled
INTxx
INTxx
Main processing
Main processing
EI
EI
Example 1. Multiple interrupts are acknowledged
Figure 10-9. Example of Multiple Interrupts (1/2)
IE = 0
IE = 0
CHAPTER 10 INTERRUPT FUNCTIONS
User’s Manual U18172EJ3V0UD
INTyy
INTyy
INTxx servicing
IE = 0
INTxx servicing
RETI
RETI
EI
IE = 0
INTyy is held pending
INTyy servicing
RETI
INTyy servicing
RETI
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