參數(shù)資料
型號(hào)： UPD780021AY
廠商： NEC Corp.
元件分類： 8位微控制器
英文描述： 8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述： 8位單晶片微控制器
文件頁數(shù)： 21/90頁
文件大?。?/td> 660K
代理商： UPD780021AY
μ
PD78F0034B, 78F0034BY, 78F0034B(A), 78F0034BY(A)
21
Data Sheet U16369EJ1V0DS
5. DIFFERENCES BETWEEN
μ
PD78F0034B, 78F0034BY AND
μ
PD78F0034A, 78F0034AY
Table 5-1 shows the differences between the
μ
PD78F0034B and
μ
PD78F0034A, and Table 5-2 shows differences
between the
μ
PD78F0034BY and 78F0034AY.
Table 5-1. Differences Between
μ
PD78F0034B and
μ
PD78F0034A
Item
μ
PD78F0034B
μ
PD78F0034A
Guaranteed operating speed
4.5 to 5.5 V
12 MHz (0.166
μ
s)
8.38 MHz (0.238
μ
s)
(operating frequency)
4.0 to 5.5 V
8.38 MHz (0.238
μ
s)
8.38 MHz (0.238
μ
s)
3.0 to 5.5 V
8.38 MHz (0.238
μ
s)
5 MHz (0.4
μ
s)
2.7 to 5.5 V
5 MHz (0.4
μ
s)
5 MHz (0.4
μ
s)
1.8 to 5.5 V
1.25 MHz (1.6
μ
s)
1.25 MHz (1.6
μ
s)
Maximum instruction execution time
Minimum instruction execution time variable function incorporated
When main system clock is selected
0.166
μ
s/0.333
μ
s/0.666
μ
s/1.33
μ
s/2.66
μ
s
(@ 12 MHz operation, V
DD
= 4.5 to 5.5 V)
0.238
μ
s/0.48
μ
s/0.95
μ
s/1.91
μ
s/3.81
μ
s
(@ 8.38 MHz operation, V
DD
= 4.0 to 5.5 V)
When subsystem clock is selected
122
μ
s (32.768 kHz)
Clock output
93.75 kHz, 187.5 kHz, 375 kHz, 750 kHz,
1.25 MHz, 3 MHz, 6 MHz, 12 MHz (@ 12
MHz operation with main system clock)
32.768 kHz (@ 32.768 kHz operation
with subsystem clock)
65.5 kHz, 131 kHz, 262 kHz, 524 kHz,
1.05 MHz, 2.10 MHz, 4.19 MHz, 8.38
MHz (@ 8.38 MHz operation with main
system clock)
32.768 kHz (@ 32.768 kHz operation
with subsystem
clock)
Buzzer output
1.46 kHz, 2.93 kHz, 5.86 kHz, 11.7 kHz
(@ 12 MHz operation with main system
clock)
1.02 kHz, 2.05 kHz, 4.10 kHz, 8.19 kHz
(@ 8.38 MHz operation with main system
clock)
Communication mode of flash memory
programming
3-wire serial I/O:
UART:
Pseudo 3-wire serial I/O: 1 channel
2 channels
1 channel
Note
3-wire serial I/O:
UART:
Pseudo 3-wire serial I/O: 1 channel
2 channels
1 channel
Note
Electrical specifications, recommended
soldering conditions
Refer to the data sheet of individual products.
Note
The
μ
PD78F0034B can use one channel (serial interface SIO30) as a handshake mode.
The
μ
PD78F0034A cannot use a handshake mode.
Remark
The operating frequency ratings of the
μ
PD78F0034B and the expanded-specification products of the
mask ROM versions of the
μ
PD780024A, 780034A Subseries are the same. The operating frequency
ratings of the
μ
PD78F0034A and the conventional products of the mask ROM versions of the
μ
PD780024A, 780034A Subseries are the same.
相關(guān)PDF資料
PDF描述
UPD780022A 8-BIT SINGLE-CHIP MICROCONTROLLERS
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