UPD78F9221CS-CAC-A Renesas Electronics America, UPD78F9221CS-CAC-A Datasheet - Page 243
UPD78F9221CS-CAC-A
Manufacturer Part Number
UPD78F9221CS-CAC-A
Description
MCU 8BIT 2KB FLASH 20PIN
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9221MC-5A4-A.pdf
(418 pages)
Specifications of UPD78F9221CS-CAC-A
Core Processor
78K0S
Core Size
8-Bit
Speed
10MHz
Connectivity
LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
15
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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(a) Release by unmasked interrupt request
Note Only when sets count clock to f
Note The operation stop time is 17 s (MIN.), 34 s (TYP.), and 67 s (MAX.).
Remark The broken lines indicate the case when the interrupt request that has released the standby mode is
When an unmasked interrupt request (8-bit timer H1
generated, the STOP mode is released. After the oscillation stabilization time has elapsed, if interrupt
acknowledgment is enabled, vectored interrupt servicing is carried out. If interrupt acknowledgment is
disabled, the next address instruction is executed.
Standby release
Standby release
System clock
System clock
CPU status
oscillation
CPU status
(1) If CPU clock is high-speed internal oscillation clock or external input clock
acknowledged.
signal
signal
Figure 13-5. STOP Mode Release by Interrupt Request Generation
Oscillation
Oscillation
Operation
Operation
(2) If CPU clock is crystal/ceramic oscillation clock
mode
mode
instruction
instruction
STOP
STOP
CHAPTER 13 STANDBY FUNCTION
RL
User’s Manual U16898EJ6V0UD
STOP mode
STOP mode
/2
Oscillation stops.
7
Oscillation stops.
Interrupt
request
Interrupt
request
Operation
Note
stops
Operation
stops
, low-voltage detector, external interrupt request) is
Note
Note
Oscillation stabilization time
.
.
Waiting for stabilization
(HALT mode status)
(set by OSTS)
of oscillation
Operation mode
Oscillation
Oscillation
Operation
mode
241
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