Sd16ctl, sd16 control register – Texas Instruments MSP430x4xx User Manual
Page 422
SD16 Registers
21-19
SD16
SD16CTL, SD16 Control Register
15
14
13
12
11
10
9
8
Reserved
SD16LP
r0
r0
r0
r0
r0
r0
r0
rw−0
7
6
5
4
3
2
1
0
SD16DIVx
SD16SSELx
SD16
VMIDON
SD16
REFON
SD16OVIE
Reserved
rw−0
rw−0
rw−0
rw−0
rw−0
rw−0
rw−0
r0
Reserved
Bits
15-9
Reserved
SD16LP
Bit 8
Low power mode. This bit selects a reduced speed, reduced power mode
for the SD16.
0
Low-power mode is disabled
1
Low-power mode is enabled. The maximum clock frequency for the
SD16 is reduced.
SD16DIVx
Bits
7-6
SD16 clock divider
00
/1
01
/2
10
/4
11
/8
SD16SSELx
Bits
5-4
SD16 clock source select
00
MCLK
01
SMCLK
10
ACLK
11
External TACLK
SD16
VMIDON
Bit 3
V
MID
buffer on
0
Off
1
On
SD16
REFON
Bit 2
Reference generator on
0
Reference off
1
Reference on
SD16OVIE
Bit 1
SD16 overflow interrupt enable. The GIE bit must also be set to enable the
interrupt.
0
Overflow interrupt disabled
1
Overflow interrupt enabled
Reserved
Bit 0
Reserved