UPD78F1144AGB-GAH-AX Renesas Electronics America, UPD78F1144AGB-GAH-AX Datasheet - Page 183

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UPD78F1144AGB-GAH-AX

Manufacturer Part Number
UPD78F1144AGB-GAH-AX
Description
MCU 16BIT 78K0R/KX3 64-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3r
Datasheet

Specifications of UPD78F1144AGB-GAH-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
50
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1.8 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
Lead free / RoHS Compliant
Eeprom Size
-

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independent timer. In addition, two or more “channels” can be used to create a high-accuracy timer.
6.1 Functions of Timer Array Unit
6.1.1 Functions of each channel when it operates independently
of the other channel (for details, refer to 6.6.1 Overview of single-operation function and combination-operation
function).
The timer array unit has eight 16-bit timers per unit. Each 16-bit timer is called a channel and can be used as an
Channel 7 can be used to realize LIN-bus reception processing in combination with UART3 of serial array unit 1.
The timer array unit has the following functions.
Single-operation functions are those functions that can be used for any channel regardless of the operation mode
(1) Interval timer
(2) Square wave output
(3) External event counter
(4) Divider function (channel 0 only)
(5) Input pulse interval measurement
(6) Measurement of high-/low-level width of input signal
Remark
Each timer of a unit can be used as a reference timer that generates an interrupt (INTTM0n) at fixed intervals.
A toggle operation is performed each time INTTM0n is generated and a square wave with a duty factor of 50%
is output from a timer output pin (TO0k).
Each timer of a unit can be used as an event counter that generates an interrupt when the number of the valid
edges of a signal input to the timer input pin (TI0k) has reached a specific value.
A clock input from a timer input pin (TI00) is divided and output from an output pin (TO00).
Counting is started by the valid edge of a pulse signal input to a timer input pin (TI0k). The count value of the
timer is captured at the valid edge of the next pulse. In this way, the interval of the input pulse can be
measured.
Counting is started by a single edge of the signal input to the timer input pin (TI0k), and the count value is
captured at the other edge. In this way, the high-level or low-level width of the input signal can be measured.
• Interval timer
• Square wave output
• External event counter
• Divider function (channel 0 only)
• Input pulse interval measurement
• Measurement of high-/low-level width of input signal
n: Channel number (n = 0 to 7), k: I/O port number (k = 0 to 6)
Single-operation Function
CHAPTER 6 TIMER ARRAY UNIT
User’s Manual U17854EJ9V0UD
• PWM output
• One-shot pulse output
• Multiple PWM output
Combination-operation Function
181

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