參數(shù)資料
型號: HMS81C4332
英文描述: [TV : OSD/ I?C]
中文描述: [電視:OSD /我??]
文件頁數(shù): 12/94頁
文件大?。?/td> 1652K
代理商: HMS81C4332
HMS81032E/HMS81032TL
8
Nov. 2001 Ver 2.00
5. PIN FUNCTION
V
DD
: Supply voltage.
V
SS
: Circuit ground.
TEST
: Used for shipping inspection of the IC. For normal
operation, it should be connected to V
DD
.
RESET
: Reset the MCU.
X
IN
: Input to the inverting oscillator amplifier and input to
the internal main clock operating circuit.
X
OUT
: Output from the inverting oscillator amplifier.
R00~R07
: R0 is an 8-bit CMOS bidirectional I/O port. R0
pins 1 or 0 written to the Port Direction Register can be
used as outputs or inputs.
R10~R17
: R1 is an 8-bit CMOS bidirectional I/O port. R1
pins 1 or 0 written to the Port Direction Register can be
used as outputs or inputs.
In addition, R1 serves the functions of the various follow-
ing special features.
R20~R24
: R2 is an 8-bit CMOS bidirectional I/O port. R2
pins 1 or 0 written to the Port Direction Register can be
used as outputs or inputs.
Port pin
Alternate function
R11
R12
R14
R15
R16
R17
INT1 (External Interrupt input 1)
INT2 (External Interrupt input 2)
EC (Event Counter input)
T2 (Timer / Counter input 2)
T1 (Timer / Counter input 1)
T0 (Timer / Counter input 0)
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