UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 244
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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Part Number:
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High-speed internal oscillation clock or
High-speed internal oscillation clock or
Notes 1.
Remark When reset is effected, P130 outputs a low level. If P130 is set to output a high level before reset is
Notes 1.
2.
2.
effected, the output signal of P130 can be dummy-output as the reset signal to the CPU.
The operation stop time is 277
Set high level output using software.
The operation stop time is 276
Set high level output using software.
Internal reset signal
external clock input
external clock input
Internal reset signal
(except P130)
(except P130)
<1> With high-speed internal oscillation clock or external clock input
CPU clock
CPU clock
Port pin
Port pin
RESET
Port pin
RESET
Port pin
(P130)
(P130)
Figure 14-4. Reset Timing by RESET Input in STOP Mode
in progress
in progress
operation
operation
Normal
STOP instruction is executed.
STOP instruction is executed.
Normal
<2> With crystal/ceramic oscillation clock
CHAPTER 14 RESET FUNCTION
User’s Manual U16898EJ5V0UD
µ
µ
s (MIN.), 544
s (MIN.), 544
(oscillation stops)
(oscillation stops)
Stop status
Stop status
100 ns (TYP.)
100 ns (TYP.)
Delay
Delay
(oscillation stops)
(oscillation stops)
µ
µ
Reset period
Reset period
s (TYP.), and 1.075 ms (MAX.).
s (TYP.), and 1.074 ms (MAX.).
100 ns (TYP.)
100 ns (TYP.)
Delay
Delay
Oscillation stabilization
time (2
Operation stops because option
byte is referenced
Operation stops because option
byte is referenced
10
/f
Normal operation (reset processing, CPU clock)
X
to 2
Hi-Z
Hi-Z
17
/f
X
)
Normal operation
(reset processing, CPU clock)
Note 1
Note 1
.
.
Note 2
Note 2
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