upd78f0114m6gb-8es Renesas Electronics Corporation., upd78f0114m6gb-8es Datasheet - Page 137
upd78f0114m6gb-8es
Manufacturer Part Number
upd78f0114m6gb-8es
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0114M6GB-8ES.pdf
(534 pages)
- Current page: 137 of 534
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(5) Port mode register 0 (PM0)
Cautions 4. If the TI000 or TI010 pin is high level immediately after system reset, the rising edge is
Remarks 1. f
This register sets port 0 input/output in 1-bit units.
When using the P01/TO00/TI010 pin for timer output, clear PM01 and the output latch of P01 to 0.
When using the P01/TO00/TI010 pin for timer input, set PM01 to 1. At this time, the output latch of P01 may be 0
or 1.
PM0 can be set by a 1-bit or 8-bit memory manipulation instruction.
RESET input sets PM0 to FFH.
2. TI000, TI010: 16-bit timer/event counter 00 input pins
3. Figures in parentheses are for operation with f
5. When P01 is used as the TI010 valid edge input pin, it cannot be used as the timer output
X
immediately detected after the rising edge or both the rising and falling edges are set as the
valid edge(s) of the TI000 pin or TI010 pin to enable the operation of 16-bit timer counter 00
(TM00). Care is therefore required when pulling up the TI000 or TI010 pin. However, if the
TI000 pin or TI010 pin is high level, the rising edge is not detected when re-enabling
operation after the operation has been stopped once.
(TO00), and when used as TO00, it cannot be used as the TI010 valid edge input pin.
: X1 input clock oscillation frequency
Address: FF20H
Symbol
Figure 6-9. Format of Port Mode Register 0 (PM0)
PM0
CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
PM0n
7
1
0
1
Output mode (output buffer on)
Input mode (output buffer off)
User’s Manual U16227EJ3V0UD
6
1
After reset: FFH
P0n pin I/O mode selection (n = 0, 1)
5
1
4
1
X
= 10 MHz.
R/W
3
1
2
1
PM01
1
PM00
0
137
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