MSC1210_14 Datasheet, PDF (85/95 Pages) Texas Instruments – Precision Analog-to-Digital Converter (ADC) with 8051 Microcontroller and Flash Memory

MSC1210
www.ti.com
Analog Clock (ACLK)
7
SFR F6h
0
6
FREQ6
5
FREQ5
4
FREQ4
3
FREQ3
SBAS203J − MARCH 2002 − REVISED JANUARY 2008
2
FREQ2
1
FREQ1
0
FREQ0
Reset Value
03h
FREQ6−0
bit 6−0
Clock Frequency − 1. This value + 1 divides the system clock to create the ADC clock.
f _ACLK
+
f_CLK
FREQ )
1
+
f _CLK
ACLK )
1
f _MOD
+
f_CLK
(ACLK ) 1)
@
64
Output Data Rate + ^fMOD
Decimation
System Reset Register (SRST)
7
6
5
4
3
2
1
0
Reset Value
SFR F7h
0
0
0
0
0
0
0
RSTREQ
00h
RSTREQ Reset Request. Setting this bit to 1 and then clearing to 0 will generate a system reset.
bit 0
Extended Interrupt Priority (EIP)
7
6
5
SFR F8h
1
1
1
4
3
2
1
PWDI
PX5
PX4
PX3
PWDI
bit 4
Watchdog Interrupt Priority. This bit controls the priority of the watchdog interrupt.
0 = The watchdog interrupt is low priority.
1 = The watchdog interrupt is high priority.
PX5
External Interrupt 5 Priority. This bit controls the priority of external interrupt 5.
bit 3
0 = External interrupt 5 is low priority.
1 = External interrupt 5 is high priority.
PX4
External Interrupt 4 Priority. This bit controls the priority of external interrupt 4.
bit 2
0 = External interrupt 4 is low priority.
1 = External interrupt 4 is high priority.
PX3
External Interrupt 3 Priority. This bit controls the priority of external interrupt 3.
bit 1
0 = External interrupt 3 is low priority.
1 = External interrupt 3 is high priority.
PX2
External Interrupt 2 Priority. This bit controls the priority of external interrupt 2.
bit 0
0 = External interrupt 2 is low priority.
1 = External interrupt 2 is high priority.
0
Reset Value
PX2
E0h
85