MAX157/MAX159
+2.7V, Low-Power, 2-Channel,
108ksps, Serial 10-Bit ADCs in 8-Pin µMAX
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Table 3. Detailed SSPSTAT Register Content
Table 2. Detailed SSPCON Register Content
CONTROL BIT
MAX157/MAX159
SETTINGS
SYNCHRONOUS SERIAL PORT CONTROL REGISTER (SSPCON)
WCOL Bit 7 X Write Collision Detection Bit
SSPOV Bit 6 X Receive Overflow Detect Bit
SSPEN Bit 5 1
Synchronous Serial Port Enable Bit
0: Disables serial port and configures these pins as I/O port pins.
1: Enables serial port and configures SCK, SDO and SCI pins as serial port pins.
CKP Bit 4 0 Clock Polarity Select Bit. CKP = 0 for SPI master mode selection.
SSPM3 Bit 3 0
SSPM2 Bit 2 0
SSPM1 Bit 1 0
SSPM0 Bit 0 1
Synchronous Serial Port Mode Select Bit. Sets SPI master mode and selects
f
CLK
= f
OSC
/ 16.
X = Don’t care
X = Don’t care
D/A
CONTROL BIT
MAX157/MAX159
SETTINGS
SYNCHRONOUS SERIAL STATUS REGISTER (SSPSTAT)
Bit 5 X Data Address Bit
P Bit 4 X Stop Bit
S Bit 3 X
R/W
SMP Bit 7 0
SPI Data Input Sample Phase. Input data is sampled at the middle of the data output
time.
CKE Bit 6 1 SPI Clock Edge Select Bit. Data will be transmitted on the rising edge of the serial clock.
Bit 2 X
UA Bit 1 X
BF Bit 0 X
Start Bit
Buffer Full Status Bit
Update Address
Read/Write Bit Information