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参数资料
| 型号： | PADS1298CZXGT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PBGA64 |
| 封装： | 8 X 8 MM, LEAD FREE, PLASTIC, NFBGA-64 |
| 文件页数： | 40/73页 |
| 文件大小： | 957K |
| 代理商： | PADS1298CZXGT |
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PRODUCTPREVIEW
www.ti.com
SBAS459C – JANUARY 2010 – REVISED MARCH 2010
GPIO: General-Purpose I/O Register
Address = 14h
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
GPIOD4
GPIOD3
GPIOD2
GPIOD1
GPIOC4
GPIOC3
GPIOC2
GPIOC1
The General-Purpose I/O Register controls the action of the three GPIO pins. Note that when RESP_CTRL[1:0]
is in mode 01 and 11, the GPIO2, GPIO3, and GPIO4 pins are not available for use.
Bits [7:4]
GPIOD[4:1]: GPIO data
These bits are used to read and write data to the GPIO ports.
When reading the register, the data returned correspond to the state of the GPIO external pins, whether they are
programmed as inputs or as outputs. As outputs, a write to the GPIOD sets the output value. As inputs, a write to the
GPIOD has no effect. GPIO is not available in certain respiration modes.
Bits [3:0]
GPIOC[4:1]: GPIO control (corresponding GPIOD)
These bits determine if the corresponding GPIOD pin is an input or output.
0 = Output
1 = Input (default)
PACE: PACE Detect Register
Address = 15h
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
0
PACEE1
PACEE0
PACEO1
PACEO0
PD_PACE
This register provides the PACE controls that configure the channel signal used to feed the external PACE detect
circuitry. See the Pace Detect subsection of the ECG-Specific Functions section for details.
Bits [7:5]
Must always be set to '0'
Bits [4:3]
PACEE[1:0]: PACE_OUT2 even
These bits control the selection of the even number channels available on TEST_PACE_OUT2. Note that only one channel
may be selected at any time.
00 = Channel 2 (default)
01 = Channel 4
10 = Channel 6, ADS1296/8/8R only
11 = Channel 8, ADS1298 only
Bits [2:1]
PACEO[1:0]: PACE_OUT1 odd
These bits control the selection of the odd number channels available on TEST_PACE_OUT1. Note that only one channel
may be selected at any time.
00 = Channel 1 (default)
01 = Channel 3
10 = Channel 5, ADS1296/8/8R only (default)
11 = Channel 7, ADS1298/8R only
Bit [0]
PD_PACE: PACE detect buffer
This bit is used to enable/disable the PACE detect buffer.
0 = PACE detect buffer turned off (default)
1 = PACE detect buffer turned on
Copyright 2010, Texas Instruments Incorporated
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