UPD78F9200MA-CAC-A Renesas Electronics America, UPD78F9200MA-CAC-A Datasheet - Page 108
UPD78F9200MA-CAC-A
Manufacturer Part Number
UPD78F9200MA-CAC-A
Description
MCU 8BIT 1KB FLASH 128B RAM
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9200MA-CAC-A.pdf
(342 pages)
Specifications of UPD78F9200MA-CAC-A
Package / Case
*
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Speed
10MHz
Number Of I /o
7
Core Processor
78K0S
Program Memory Type
FLASH
Ram Size
128 x 8
Program Memory Size
1KB (1K x 8)
Data Converters
A/D 4x10b
Oscillator Type
Internal
Peripherals
LVD, POR, PWM, WDT
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
UPD78F9200MA-CAC-A
Manufacturer:
NEC
Quantity:
20 000
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6.4.3
counter 00 (TM00).
restarting the timer in synchronization with the edge of the signal input to the TI000 pin.
prescaler mode register 00 (PRM00) and the valid level of the TI000 or TI010 pin is detected twice, thus eliminating
noise with a short pulse width ( see Figure 6-18 ).
106
It is possible to measure the pulse width of the signals input to the TI000 pin and TI010 pin using 16-bit timer
There are two measurement methods: measuring with TM00 used in free-running mode, and measuring by
When an interrupt occurs, necessary pulse width is calculable by reading the valied value of the capture register.
The capture operation is not performed until the signal pulse width is sampled in the count clock cycle selected by
The basic operation setting procedure is as follows.
<1> Set the CRC00 register (see Figures 6-19, 6-22, 6-24, and 6-26 for the set value).
<2> Set the count clock by using the PRM00 register.
<3> Set the TMC00 register to start the operation (see Figures 6-19, 6-22, 6-24, and 6-26 for the set value).
Caution To use two capture registers, set the TI000 and TI010 pins.
Remarks 1. For the setting of the TI000 (or TI010) pin, see 6.3 (5) Port mode register 2 (PM2) and port mode
Setting
(1) Pulse width measurement with free-running counter and one capture register
Specify both the rising and falling edges as the valid edges of the TI000 pin, by using bits 4 and 5 (ES000 and
ES010) of PRM00.
When 16-bit timer counter 00 (TM00) is operated in free-running mode, and the valid edge specified by
PRM00 is input, the value of TM00 is taken into 16-bit timer capture/compare register 010 (CR010) and an
external interrupt request signal (INTTM010) is set.
Sampling is performed using the count clock selected by PRM00, and a capture operation is only performed
when a valid level of the TI000 pin is detected twice, thus eliminating noise with a short pulse width.
Caution The measurable pulse width in this operation example is up to 1 cycle of the timer counter.
Pulse width measurement operations
Rising edge detection
2. For how to enable the INTTM000 (or INTTM010) interrupt, see CHAPTER 10
control register 2 (PMC2).
FUNCTIONS.
Count clock
INTTM010
Figure 6-18. CR010 Capture Operation with Rising Edge Specified
CR010
CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00 (
TM00
TI000
N
3
User’s Manual U18172EJ3V0UD
N
2
N
1
PD78F920x ONLY)
N
N
N + 1
INTERRUPT
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