UPD78F9201MA-CAC-A Renesas Electronics America, UPD78F9201MA-CAC-A Datasheet - Page 80
UPD78F9201MA-CAC-A
Manufacturer Part Number
UPD78F9201MA-CAC-A
Description
MCU 8BIT 2KB FLASH 128B RAM
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9500MA-CAC-A.pdf
(342 pages)
Specifications of UPD78F9201MA-CAC-A
Core Processor
78K0S
Core Size
8-Bit
Speed
10MHz
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
7
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
-
Connectivity
-
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(3) Oscillation stabilization time select register (OSTS) ( PD78F920x only)
78
Address: FFF4H, After reset: Undefined, R/W
Symbol
OSTS
This register is used to select oscillation stabilization time of the clock supplied from the oscillator when the STOP
mode is released. The wait time set by OSTS is valid only when the crystal/ceramic oscillation clock is selected
as the system clock and after the STOP mode is released. If the high-speed internal oscillator or external clock
input is selected as the system clock source, no wait time elapses.
The system clock oscillator and the oscillation stabilization time that elapses after power application or release of
reset are selected by the option byte. For details, refer to CHAPTER 15 OPTION BYTE.
OSTS is set by using an 8-bit memory manipulation instruction.
Cautions 1. To set and then release the STOP mode, set the oscillation stabilization time as
Remarks 1. ( ): f
OSTS1
Figure 5-5. Format of Oscillation Stabilization Time Select Register (OSTS)
7
0
0
0
1
1
2. The wait time after the STOP mode is released does not include the time from the
3. The oscillation stabilization time that elapses on power application or after release
2. Determine the oscillation stabilization time of the resonator by checking the
of reset is selected by the option byte. For details, refer to CHAPTER 15 OPTION
BYTE.
OSTS0
follows.
Expected oscillation stabilization time of resonator
set by OSTS
release of the STOP mode to the start of clock oscillation (“a” in the figure
below), regardless of whether STOP mode was released by reset signal
generation or interrupt generation.
characteristics of the resonator to be used.
6
0
0
1
0
1
X
= 10 MHz
waveform
of X1 pin
Voltage
2
2
2
2
CHAPTER 5 CLOCK GENERATORS
10
12
15
17
/f
/f
/f
/f
X
X
X
X
5
0
(102.4 s)
(409.6 s)
(3.27 ms)
(13.1 ms)
STOP mode is released
User’s Manual U18172EJ3V0UD
4
0
Selection of oscillation stabilization time
a
3
0
2
0
Oscillation stabilization time
OSTS1
1
OSTS0
0
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