MEC1322 Datasheet, PDF (15/456 Pages) Microchip Technology – Keyboard and Embedded Controller for Notebook PC

MEC1322
1.4.3 BC-LINK INTERFACE
TABLE 1-7: BC-LINK INTERFACE
BC-Link Interface
Pin Ref. Number
98
99
100
Signal Name
BC_CLK
BC_DAT
BC_INT#
1.4.4 JTAG INTERFACE
TABLE 1-8: JTAG INTERFACE
Description
BC-Link Master clock
BC-Link Master data I/O
BC-Link Master interrupt
JTAG Interface
Pin Ref. Number
21
19
18
20
49
Signal Name
JTAG_TCK
JTAG_TDI
JTAG_TDO
JTAG_TMS
JTAG_RST#
Description
JTAG Test Clock
JTAG Test Data In
JTAG Test Data Out
JTAG Test Mode Select
JTAG Test Reset (active low)
(3 Pins)
Notes
Note 7
(5 Pins)
Notes
Note 2
Note: JTAG_TDO is a push-pull output. This function is not configured through the associated GPIO Pin Control
Register; however the drive strength is configured through the associated GPIO Pin Control Register 2.
1.4.5 MASTER CLOCK INTERFACE
TABLE 1-9: MASTER CLOCK INTERFACE
Master Clock Interface
Pin Ref. Number Signal Name
71
XTAL1
69
XTAL2
75
32KHZ_OUT
Description
32.768 KHz Crystal Output
32.768 KHz Crystal Input (single-ended 32.768
KHz clock input)
32.768 KHz Digital Output
1.4.6 ANALOG DATA ACQUISITION INTERFACE
TABLE 1-10: ANALOG DATA ACQUISITION
Analog Data Acquisition Interface
Pin Ref. Number Signal Name
44
ADC0
43
ADC1
42
ADC2
39
ADC3
38
ADC4
De scripti on
ADC channel 0
ADC channel 1
ADC channel 2
ADC channel 3
ADC channel 4
(3 Pins)
Notes
Note 9
Note 9
(5 Pins)
Note s
Note 8
Note 8
Note 8
Note 8
Note 8
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