UPD78F1001GB-GAF-AX Renesas Electronics America, UPD78F1001GB-GAF-AX Datasheet - Page 911
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UPD78F1001GB-GAF-AX
Manufacturer Part Number
UPD78F1001GB-GAF-AX
Description
MCU 16BIT 78K0R/KX3-L 44-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3-Lr
Datasheet
1.UPD78F1000GB-GAF-AX.pdf
(1171 pages)
Specifications of UPD78F1001GB-GAF-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
33
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F1001GB-GAF-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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78K0R/Kx3-L
(2) Oscillation stabilization time select register (OSTS)
R01UH0106EJ0300 Rev.3.00
Oct 01, 2010
This register is used to select the X1 clock oscillation stabilization wait time when the STOP mode is released.
When the X1 clock is selected as the CPU clock, the operation waits for the time set using the OSTS register after the
STOP mode is released.
When the internal high-speed oscillation clock is selected as the CPU clock, confirm with the oscillation stabilization
time counter status register (OSTC) that the desired oscillation stabilization time has elapsed after the STOP mode is
released. The oscillation stabilization time can be checked up to the time set using the OSTC register.
The OSTS register can be set by an 8-bit memory manipulation instruction.
Reset signal generation sets this register to 07H.
Cautions 1. To set the STOP mode when the X1 clock is used as the CPU clock, set the OSTS register before
Remark f
Address: FFFA3H
Symbol
OSTS
2. Setting the oscillation stabilization time to 20
3. Before changing the setting of the OSTS register, confirm that the count operation of the OSTC
4. Do not change the value of the OSTS register during the X1 clock oscillation stabilization time.
5. The oscillation stabilization time counter counts up to the oscillation stabilization time set by
6. The X1 clock oscillation stabilization wait time does not include the time until clock oscillation
X
: X1 clock oscillation frequency
executing the STOP instruction.
register is completed.
the OSTS register. If the STOP mode is entered and then released while the internal high-speed
oscillation clock is being used as the CPU clock, set the oscillation stabilization time as follows.
Note, therefore, that only the status up to the oscillation stabilization time set by the OSTS
register is set to the OSTC register after STOP mode is released.
starts (“a” below).
Figure 20-2. Format of Oscillation Stabilization Time Select Register (OSTS)
• Desired OSTC register oscillation stabilization time ≤ Oscillation stabilization time set by
OSTS2
OSTS register
7
0
0
0
0
0
1
1
1
1
After reset: 07H
OSTS1
6
0
0
0
1
1
0
0
1
1
X1 pin voltage
waveform
R/W
OSTS0
5
0
0
1
0
1
0
1
0
1
STOP mode release
2
2
2
2
2
2
2
2
8
9
10
11
13
15
17
18
/f
/f
/f
/f
/f
/f
/f
/f
X
X
X
X
X
X
X
X
4
0
a
μ
Oscillation stabilization time selection
s or less is prohibited.
3
0
25.6
51.2
102.4
204.8
819.2
3.27 ms
13.11 ms
26.21 ms
CHAPTER 20 STANDBY FUNCTION
f
X
μ
μ
s
s
μ
μ
μ
OSTS2
= 10 MHz
s
s
s
2
OSTS1
Setting prohibited
25.6
51.2
102.4
409.6
1.64 ms
6.55 ms
13.11 ms
1
f
X
μ
μ
s
s
μ
μ
= 20 MHz
s
s
OSTS0
0
911
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