UPD78F0138HGK-9ET-A Renesas Electronics America, UPD78F0138HGK-9ET-A Datasheet - Page 561
UPD78F0138HGK-9ET-A
Manufacturer Part Number
UPD78F0138HGK-9ET-A
Description
MCU 8BIT 60K FLASH 64TQFP
Manufacturer
Renesas Electronics America
Series
78K0/Kx1+r
Datasheet
1.UPD78F0138HGK-9ET-A.pdf
(568 pages)
Specifications of UPD78F0138HGK-9ET-A
Core Processor
78K/0
Core Size
8-Bit
Speed
16MHz
Connectivity
3-Wire SIO, LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
42
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.5 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
Contains lead / RoHS non-compliant
Eeprom Size
-
- Current page: 561 of 568
- Download datasheet (4Mb)
Power-
on-clear
circuit
(POC)
Low-
voltage
detector
(LVI)
Option
byte
Function
Power-on-clear
circuit functions
Cautions for
power-on-clear
circuit
LVIM: Low-
voltage detection
register
LVIS: Low-
voltage detection
level selection
register
When used as
reset
Cautions for low-
voltage detector
0084H/1084H
0081H/1081H,
0082H/1082H,
0083H/1083H
0080H/1080H
Details of
Function
If an internal reset signal is generated in the POC circuit, the reset control flag
register (RESF) is cleared to 00H.
The supply voltage is V
subsystem clock is used, but be sure to use the standard products and (A) grade
products in a voltage range of 2.2 to 5.5 V because the detection voltage (V
the POC circuit is 2.1 V ±0.1 V.
The supply voltage is V
used, but be sure to use the (A1) grade products in a voltage range of 2.25 to 5.5
V because the detection voltage (V
In a system where the supply voltage (V
vicinity of the POC detection voltage (V
and released from the reset status. In this case, the time from release of reset to
the start of the operation of the microcontroller can be arbitrarily set by taking the
following action.
To stop LVI, follow either of the procedures below.
Be sure to clear bits 4 to 7 to 0.
Clear all port pins after the supply voltage (V
voltage (V
<1> must always be executed. When LVIMK = 0, an interrupt may occur
immediately after the processing in <3>.
If supply voltage (V
internal reset signal is not generated.
In a system where the supply voltage (V
vicinity of the LVI detection voltage (V
on how the low-voltage detector is used.
(1) When used as reset
The system may be repeatedly reset and released from the reset status.
In this case, the time from release of reset to the start of the operation of the
microcontroller can be arbitrarily set by taking action (a) below.
(2) When used as interrupt
Interrupt requests may be frequently generated. Take action (b) below.
Be sure to set 00H (disabling on-chip debug operation) to 0084H for products not
equipped with the on-chip debug function ( PD78F0132H, 78F0133H, 78F0134H,
78F0136H, and 78F0138H). Also set 00H to 1084H because 0084H and 1084H
are switched at boot swapping.
To use the on-chip debug function with a product equipped with the on-chip
debug function ( PD78F0138HD), set 02H or 03H to 0084H. Set a value that is
the same as that of 0084H to 1084H because 0084H and 1084H are switched at
boot swapping.
Be sure to set 00H to 0081H, 0082H, and 0083H (0081H/1081H, 0082H/1082H,
and 0083H/1083H when the boot swap function is used).
If LSROSC = 0 (oscillation can be stopped by software), the count clock is not
supplied to the watchdog timer in the HALT and STOP modes, regardless of the
setting of bit 0 (RSTOP) of the internal oscillation mode register (RCM). When 8-
bit timer H1 operates with the internal oscillation clock, the count clock is supplied
to 8-bit timer H1 even in the HALT/STOP mode.
Be sure to clear bit 1 to 7 to 0.
When using 8-bit memory manipulation instruction: Write 00H to LVIM.
When using 1-bit memory manipulation instruction: Clear LVION to 0.
APPENDIX D LIST OF CAUTIONS
LVI
) after POC release in the (A1) grade products.
User’s Manual U16899EJ3V0UD
DD
)
DD
DD
detection voltage (V
= 2.0 to 5.5 V when the internal oscillation clock or
= 2.0 to 5.5 V when the internal oscillation clock is
POC
Cautions
LVI
) of the POC circuit is 2.0 to 2.25 V.
POC
), the operation is as follows depending
DD
DD
) fluctuates for a certain period in the
) fluctuates for a certain period in the
), the system may be repeatedly reset
DD
LVI
) exceeds the preset detection
) when LVIMD is set to 1, an
POC
) of
p. 406
p. 406
p. 406
p. 408
p. 411
p. 412
p. 412
p. 413
p. 413
p. 417
p. 420
p. 420
p. 420
p. 421
p. 421
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