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參數資料
型號: ADM1029ARQZ-R7
廠商: ON Semiconductor
文件頁數: 29/50頁
文件大小: 402K
描述: IC SENSOR 2TEMP/FAN CTRL 24QSOP
產品變化通告: QSOP 24ld Pkg (MSL) Change 17/Jun/2010
標準包裝: 1,000
功能: 風扇控制,溫度監控器
傳感器類型: 內部和外部
感應溫度: 0°C ~ 100°C,外部傳感器
精確度: ±1°C 本地,±3°C 遠程
拓撲: ADC,風扇控制,寄存器庫
輸出類型: 開路漏極
輸出警報:
輸出風扇:
電源電壓: 3 V ~ 5.5 V
工作溫度: 0°C ~ 100°C
安裝類型: 表面貼裝
封裝/外殼: 24-SSOP(0.154",3.90mm 寬)
供應商設備封裝: 24-QSOP
包裝: 帶卷 (TR)
ADM1029
http://onsemi.com
29
Figure 39. Configuring GPIO Pins
ENABLE PINS FOR GPIO
FUNCTION
(REGISTER 0X05)
GPIO PINS ENABLE (REG 0X05)
BIT 0 = 1
PIN 19 CONFIGURATED AS GPIO0
BIT 1 = 1
PIN 20 CONFIGURATED AS GPIO1
BIT 2 = 1
PIN 11 CONFIGURATED AS GPIO2
BIT 3 = 1
PIN 13 CONFIGURATED AS GPIO3
BIT 4 = 1
PIN 14 CONFIGURATED AS GPIO4
BIT 5 = 1
PIN 16 CONFIGURATED AS GPIO5
BIT 6 = 1
PIN 17 CONFIGURATED AS GPIO6
BIT 7
RESERVED
FAN 1 RUNS AT ALARM
OR HOT-PLUG SPEED
IS GPIO
PIN ASSERTED?
YES
CONFIGURE GPIO PINS
BEHAVIOR
GPIO0 (REG 0X28)
GPIO6 (REG 0X2E)
CONFIGURE GPIO EVENT
MASK
GPIO0 (REG 0X38)
GPIO6 (REG 0X3E)
GPIO PINS BEHAVIOR (REG 0X28 CONFIGURES GPIO0, REG 0X29 CONFIGURES GPIO1, ETC.)
BIT 0
SETS THE DIRECTION FOR GPIO PIN. A A CONFIGURES THE PIN AS AN OUTPUT, A 1 SETS
THE PIN UP AS AN INPUT
BIT 1
SETS THE POLARITY FOR GPIO PIN. A 0 MAKES THE PIN ACTIVE LOW, A 1 MAKES THE PIN
ACTIVE HIGH
BIT 2 = 1
IF GPIO PIN IS CONFIGURED AS AN INPUT, CFAULT
 IS ASSERTED WHEN GPIO IS ASSERTED.
IF GPIO PIN IS CONFIGURED AS AN OUTPUT, GPIO PIN WILL BE ASSERTED IF A HIGH
TEMPERATURE LIMIT IS EXCEEDED. THIS CAN BE USED TO SHUT DOWN THE SYSTEM IN AN
OVER-TEMPERATURE SITUATION
BIT 3 = 1
IF GPIO PIN IS CONFIGURED AS AN INPUT, INT
 IS ASSERTED WHEN GPIO IS ASSERTED. IF GPIO
PIN IS AN OUTPUT, GPIO IS ASSERTED IF A TEMPERATURE LOW LIMIT IS EXCEEDED.
BIT 4 = 1
IF GPIO PIN IS CONFIGURED AS AN INPUT, FANS GO TO ALARM SPEED IF GPIO SI ASSERTED.
IF GPIO PIN SI AN OUTPUT, GPIO IS ASSERTED IF A FAN GO TO HOT-PLUG SPEED IF GPIO IS
ASSERTED.
BIT 5 = 1
IF GPIO PIN IS CONFIGURED AS AN INPUT, FANS GO TO HOT-PLUG SPEED IF GPIO IS ASSERTED.
IF GPIO PIN IS AN OUTPUT, GPIO IS ASSERTED IF A FAN FAULT IS DETECTED (FAULT PIN)
BIT 6 = 1
IF GPIO PIN SI AN INPUT, THIS BIT REFLECTS THE STATE OF GPIO PIN. IF GPIO PIN IS AN OUTPUT,
GPIO IS ASSERTED IF AN AIN HIGH LIMIT IS EXCEEDED
BIT 7
IF GPIO PIN SI AN INPUT, THIS BIT LATCHES A GPIO ASSERTION EVENT. CLEARED BY WRITING
A 0. IF GPIO PIN IS AN INPUT, GPIO IS ASSERTED IF AN AIN LOW LIMIT IS EXCEEDED
GPIO EVENT MASK (CONFIGURE REG 0X38 FOR GPIO0, REG 0X39 FOR GPIO1&REG 0X3E
FOR GPIO6)
BIT 0 = 1
BIT 1 = 1
BIT 27
RUN FAN 1 AT ALARM OR HOT-PLUG SPEED IF GPIO PIN IS ASSERTED
RUN FAN 2 AT ALARM OR HOT-PLUG SPEED IF GPIO PIN IS ASSERTED
RESERVED  READ BACK ZERO
YES
FAN 2 RUNS AT ALARM
OR HOT-PLUG SPEED
IS GPIO
PIN ASSERTED?
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