UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 105
UPD78F9222MC(T)-5A4-A
Manufacturer Part Number
UPD78F9222MC(T)-5A4-A
Description
8BIT MCU, 4K FLASH, 256B RAM, 78F9222
Manufacturer
NEC
Datasheet
1.UPD78F9222MCT-5A4-A.pdf
(414 pages)
Specifications of UPD78F9222MC(T)-5A4-A
Controller Family/series
UPD78
No. Of I/o's
17
Ram Memory Size
256Byte
Cpu Speed
10MHz
No. Of Timers
4
No. Of
RoHS Compliant
Core Size
8bit
Program Memory Size
4KB
Oscillator Type
External, Internal
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Note If the valid edge of TI000 pin is specified to be both the rising and falling edges, 16-bit timer
Remark 0/1: Setting 0 or 1 allows another function to be used simultaneously with pulse width measurement.
Figure 6-23. Control Register Settings for Pulse Width Measurement with Free-Running Counter and
capture/compare register 000 (CR000) cannot perform the capture operation. When the CRC001 bit value
is 1, the TM00 count value is not captured in the CR000 register when a valid edge of the TI010 pin is
detected, but the input from the TI010 pin can be used as an external interrupt source because INTTM000 is
generated at that timing.
CRC00
PRM00
TMC00
See the description of the respective control registers for details.
ES110
0/1
7
0
7
0
ES100
0/1
6
0
6
0
Two Capture Registers (with Rising Edge Specified)
(c) 16-bit timer mode control register 00 (TMC00)
(a) Capture/compare control register 00 (CRC00)
ES010
CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
5
0
0
5
0
(b) Prescaler mode register 00 (PRM00)
ES000
4
0
1
4
0
User’s Manual U16898EJ5V0UD
TMC003
3
0
3
0
0
TMC002
CRC002
1
2
0
1
TMC001
CRC001
PRM001
0/1
0/1
1
OVF00
CRC000
PRM000
0/1
1
0
Free-running mode
Selects count clock (setting “11” is prohibited).
Specifies rising edge for pulse width detection.
Setting invalid (setting “10” is prohibited.)
CR000 used as capture register
Captures to CR000 at inverse edge
to valid edge of TI000
CR010 used as capture register
Note
.
105
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