参数资料
型号: DS28CZ04G-4+
厂商: Maxim Integrated
文件页数: 8/22页
文件大小: 0K
描述: IC EEPROM 4KBIT 400KHZ 12TQFN
标准包装: 50
格式 - 存储器: EEPROMs - 串行
存储器类型: EEPROM
存储容量: 4K (512 x 8)
速度: 400kHz
接口: I²C,2 线串口
电源电压: 2 V ~ 5.25 V
工作温度: -40°C ~ 85°C
封装/外壳: 12-WQFN 裸露焊盘
供应商设备封装: 12-TQFN-EP(4x4)
包装: 管件
DS28CZ04: 4Kb I2C/SMBus EEPROM with Nonvolatile PIO
PIO Read-Inversion and Output Type (Device Address = A0h)
ADDR
7Bh
b7
OT3
b6
OT2
b5
OT1
b4
OT0
b3
IMSK3
b2
IMSK2
b1
IMSK1
b0
IMSK0
There is general read and write access to this address. The power-on default is copied from memory address 77h
(Device Address = A0h).
BIT DESCRIPTION
IMSK0: Read-inversion
control of PIO0
IMSK1: Read-inversion
control of PIO1
IMSK2: Read-inversion
control of PIO2
IMSK3: Read-inversion
control of PIO3
OT0: Output Type of
PIO0
OT1: Output Type of
PIO1
OT2: Output Type of
PIO2
OT3: Output Type of
PIO3
BIT(S)
b0
b1
b2
b3
b4
b5
b6
b7
DEFINITION
0 ? no inversion, 1 ? data read from PIO0 is inverted
0 ? no inversion, 1 ? data read from PIO1 is inverted
0 ? no inversion, 1 ? data read from PIO2 is inverted
0 ? no inversion, 1 ? data read from PIO3 is inverted
0: ? Push-Pull, 1 ? Open Drain
0: ? Push-Pull, 1 ? Open Drain
0: ? Push-Pull, 1 ? Open Drain
0: ? Push-Pull, 1 ? Open Drain
PIO Read/Write Access Registers (Device Address = A0h)
ADDR
7Ch
b7
IV3
1
b6
IV2
1
b5
IV1
1
b4
IV0
IV0
b3
OV3
1
b2
OV2
1
b1
OV1
1
b0
OV0
OV0
PIO Address Mode
Single
Multi
7Dh
7Eh
7Fh
1
1
1
1
1
1
1
1
1
00h (no function)
IV1 1
00h (no function)
IV2 1
00h (no function)
IV3 1
1
1
1
1
1
1
OV1
OV2
OV3
Single
Multi
Single
Multi
Single
Multi
There is general read and write access to these registers. Bits shown as 1 have no function; their state cannot be
changed.
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