AT90CAN128-16AE ATMEL Corporation, AT90CAN128-16AE Datasheet - Page 300

• Manufacturer Part Number: AT90CAN128-16AE
• Description: 8-bit Avr Microcontroller With 128K Bytes of Isp Flash And CAN Controller.flash (Kbytes) 128 Vcc (V) 2.7-5.5 EEPROM (Kbytes) 4 SRAM (bytes) 4K CAN (mess. Obj.) 15
• Manufacturer: ATMEL Corporation

300
AT90CAN128
Table 110. Boundary-scan Signals for the ADC
Signal
Name
G10
G20
GNDEN
HOLD
IREFEN
MUXEN_7
MUXEN_6
MUXEN_5
MUXEN_4
MUXEN_3
MUXEN_2
MUXEN_1
MUXEN_0
NEGSEL_2
NEGSEL_1
NEGSEL_0
PASSEN
PRECH
Direction
as Seen
from the
ADC
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Description
Enable 10x gain
Enable 20x gain
Ground the negative
input to comparator
when true
Sample & Hold signal.
Sample analog signal
when low. Hold signal
when high. If gain
stages are used, this
signal must go active
when ACLK is high.
Enables Band-gap
reference as AREF
signal to DAC
Input Mux bit 7
Input Mux bit 6
Input Mux bit 5
Input Mux bit 4
Input Mux bit 3
Input Mux bit 2
Input Mux bit 1
Input Mux bit 0
Input Mux for negative
input for differential
signal, bit 2
Input Mux for negative
input for differential
signal, bit 1
Input Mux for negative
input for differential
signal, bit 0
Enable pass-gate of
gain stages.
Precharge output latch
of comparator. (Active
low)
(1)
Recommen-
ded Input
when not
in Use
(Continued)
0
0
0
1
0
0
0
0
0
0
0
0
1
0
0
0
1
1
Output Values when
Recommended Inputs
are Used, and CPU is
not Using the ADC
4250C–CAN–03/04
0
0
0
1
0
0
0
0
0
0
0
0
1
0
0
0
1
1