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參數(shù)資料
| 型號(hào)： | LC662508A |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Four-Bit Single-Chip Microcontrollers with 8, 12, and 16 KB of On-Chip ROM |
| 中文描述： | 四位單芯片8，12微控制器，和16 KB的片上ROM |
| 文件頁(yè)數(shù)： | 7/17頁(yè) |
| 文件大小： | 151K |
| 代理商： | LC662508A |
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No. 5997-7/17
LC662508A, 662512A, 662516A
Pin
I/O
Overview
Output driver type
Options
State after a Standby mode
reset
operation
PD0/INV3I
PD1/INV3O
PD2/INV4I
PD3/INV4O
PE0
PE1
OSC1
OSC2
RES
TEST
V
DD
V
SS
Dedicated input ports PD0 to PD3
Dedicated inverter circuits (option)
Dedicated input ports
System clock oscillator connections
When an external clock is used, leave
OSC2 open and connect the clock signal
to OSC1.
System reset input
When the P33/HOLD pin is at the high
level, a low level input to the RES pin will
initialize the CPU.
CPU test pin
This pin must be connected to V
SS
during normal operation.
Power supply pins
I
I
I
O
I
I
When the inverter circuit
option is selected.
Pch: CMOS type
Nch: Intermediate sink current
type
Inverter circuits
Ceramic oscillator
or external clock
selection
Normal
input or
inverter I/O
(option)
Option
selection
Inverter
Hold
mode:
output off
Halt mode:
output
continues
Hold mode:
input
disabled
Halt mode:
input
enabled
Hold mode:
Oscillator
stops
Halt mode:
Oscillator
continues
Note: Pull-up MOS type: The output circuit includes a MOS transistor that pulls the pin up to V
DD
.
CMOS output: Complementary output.
OD output: Open-drain output
Continued from preceding page.
User Options
1. Ports 0, 1, 4, 5, and 8 output level at reset option
The output levels at reset for I/O ports 0, 1, 4, 5, and 8 in independent 4-bit groups, can be selected from the
following two options.
2. Oscillator circuit options
Main clock
Option
Circuit
Conditions and notes
External clock
Ceramic oscillator
The input has Schmitt characteristics
Option
Conditions and notes
Output high at reset
The four bits of ports 0, 1, 4, 5, or 8 are set in a group
Output low at reset
The four bits of ports 0, 1, 4, 5, or 8 are set in a group
OSC1
OSC1
OSC2
C1
C2
Ceramic oscillator
Note: There is no RC oscillator option.
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