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參數(shù)資料
| 型號(hào)： | UPD78001BCWA |
| 廠商： | NEC Corp. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 1 watt dc-dc converters |
| 中文描述： | 1瓦的DC - DC轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 16/62頁(yè) |
| 文件大?。?/td> | 576K |
| 代理商： | UPD78001BCWA |
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16
μ
PD78001B(A), 78002B(A)
Caution
When pull-up resistors are not used (specified by mask option), low-level input leak current increases
with –200
μ
A (MAX.) under either of the following conditions.
1 When the external device expansion function is used and a low-level is input to the pin.
2 During the 3-clock period when a read instruction is executed on port 6 (P6) and the port mode
register (PM6).
Port 0
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
P00, P04
P01 to P03
P10 to P17
P20 to P27
P30 to P37
P40 to P47
P50 to P57
P60 to P63
P64 to P67
5
PERIPHERAL HARDWARE FUNCTION FEATURES
5.1
PORTS
The I/O port has the following three types.
CMOS input (P00, P04)
CMOS input/output (P01 to P03,
port 1 to port 5, P64 to P67)
N-ch open-drain input/output
(15V withstand voltage) (P60 to P63)
: 2
: 47
: 4
Total
: 53
Table 5-1 Functions of Ports
Port Name
Dedicated Input port
Input/output ports. Input/output can be specified bit-wise.
When used as an input port, pull-up resistor can be used by software.
Input/output ports. Input/output can be specified bit-wise.
When used as an input port, pull-up resistor can be used by software.
Input/output ports. Input/output can be specified bit-wise.
When used as an input port, pull-up resistor can be used by software.
Input/output ports. Input/output can be specified bit-wise.
When used as an input port, pull-up resistor can be used by software.
Input/output ports. Input/output can be specified in 8-bit units.
When used as an input port, pull-up resistor can be used by software.
Test input flag (KRIF) is set to 1 by falling edge detection.
Input/output ports. Input/output can be specified bit-wise.
When used as an input port, pull-up resistor can be used by software.
LED can be driven directly.
N-ch open-drain input/output port. Input/output can be specified bit-wise.
On-chip pull-up resistor can be specified by mask option.
LED can be driven directly.
Input/output ports. Input/output can be specified bit-wise.
When used as an input port, pull-up resistor can be used by software.
Pin Name
Function
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