UPD78F0551MA-FAA-AX Renesas Electronics America, UPD78F0551MA-FAA-AX Datasheet - Page 391
UPD78F0551MA-FAA-AX
Manufacturer Part Number
UPD78F0551MA-FAA-AX
Description
MCU 8BIT 16-SSOP
Manufacturer
Renesas Electronics America
Series
78K0/Kx2-Lr
Datasheet
1.UPD78F0551MA-FAA-AX.pdf
(822 pages)
Specifications of UPD78F0551MA-FAA-AX
Core Processor
78K/0
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
9
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 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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78K0/Kx2-L
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
Address: FF6FH
(4) Real-time counter control register 2 (RTCC2)
RTCC2
Symbol
The RTCC2 register is an 8-bit register that is used to control the interval interrupt function and the RTCDIV pin.
RTCC2 can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation clears this register to 00H.
Cautions 1. Change ICT2, ICT1, and ICT0 when RINTE = 0.
Remark f
Notes 1. 78K0/KC2-L (44-pin and 48-pin products) only
RCKDIV
2. RCLOE0 and RCLOE2 must not be enabled at the same time.
RCLOE2
RINTE
RINTE
Notes 1, 2
2. When the output from RTCDIV pin is stopped, the output continues after a maximum of two
<7>
SUB:
After reset: 00H
0
1
1
1
1
1
1
1
0
1
0
1
Note 1
clocks of f
stopped immediately after entering the high level, a pulse of at least one clock width of f
may be generated.
Figure 10-5. Format of Real-Time Counter Control Register 2 (RTCC2)
Subsystem clock oscillation frequency
Output of RTCDIV pin is disabled.
Output of RTCDIV pin is enabled.
RTCDIV pin outputs 512 Hz (1.95 ms).
RTCDIV pin outputs 16.384 kHz (0.061 ms).
RCLOE2
ICT2
<6>
×
0
0
0
0
1
1
1
SUB
R/W
and enters the low level. While 512 Hz is output, and when the output is
RCKDIV
ICT1
<5>
×
0
0
1
1
0
0
1
Selection of RTCDIV pin output frequency
ICT0
×
0
1
0
1
0
1
×
4
0
RTCDIV pin output control
Interval interrupt is not generated.
2
2
2
2
2
2
2
6
7
8
9
10
11
12
/f
/f
/f
/f
/f
/f
/f
SUB
SUB
SUB
SUB
SUB
SUB
SUB
3
0
(1.953125 ms)
(3.90625 ms)
(7.8125 ms)
(15.625 ms)
(31.25 ms)
(62.5 ms)
(125 ms)
Interval interrupt (INTRTCI) selection
CHAPTER 10 REAL-TIME COUNTER
ICT2
2
ICT1
1
ICT0
0
377
SUB
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