Справочник Пользователя для Freescale Semiconductor Demonstration Board for Freescale MC9S12XHY256 Microcontroller DEMO9S12XHY256 DEMO9S12XHY256
Модели
DEMO9S12XHY256
Analog-to-Digital Converter (ADC12B12CV1) Block Description
MC9S12XHY-Family Reference Manual, Rev. 1.04
316
Freescale Semiconductor
10.1.3
Block Diagram
Figure 10-1. ADC12B12C Block Diagram
V
SSA
AN6
ATD_12B12C
Analog
MUX
Mode and
Successive
Approximation
Register (SAR)
Results
ATD 0
ATD 1
ATD 2
ATD 3
ATD 4
ATD 5
ATD 6
ATD 7
ATD 1
ATD 2
ATD 3
ATD 4
ATD 5
ATD 6
ATD 7
and DAC
Sample & Hold
V
DDA
V
RL
V
RH
Sequence Complete
+
-
Comparator
Clock
Prescaler
Bus Clock
ATD Clock
AN5
AN4
AN3
AN1
AN0
AN7
ETRIG0
(See device specifi-
cation for availability
ETRIG1
ETRIG2
ETRIG3
and connectivity)
Timing Control
ATDDIEN
ATDCTL1
Trigger
Mux
Internal
Clock
Interrupt
Compare Interrupt
ICLK
AN2
AN8
AN9
AN10
AN11
ATD 8
ATD 9
ATD 10
ATD 11
ATD 9
ATD 10
ATD 11