b61eae1962
According to the datasheet, the minimum clock period with Vccio1 = 1.5V (the lowest voltage supported) is 143ns, or around 6MHz. Set the default adapter speed to 5 MHz. Signed-off-by: Sean Anderson <sean.anderson@seco.com> Change-Id: I21cad33fa7f1e25e81f43b5d2214d1fa4ec924de Reviewed-on: https://review.openocd.org/c/openocd/+/6847 Tested-by: jenkins Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
24 lines
610 B
INI
24 lines
610 B
INI
# Altera MAXII EPM240T100C CPLD
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if { [info exists CHIPNAME] } {
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set _CHIPNAME $CHIPNAME
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} else {
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set _CHIPNAME epm240
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}
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# see MAX II Device Handbook
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# Table 3-3: 32-Bit MAX II Device IDCODE
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# Version Part Number Manuf. ID LSB
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# 0000 0010 0000 1010 0001 000 0110 1110 1
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jtag newtap $_CHIPNAME tap -irlen 10 \
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-expected-id 0x020a10dd \
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-expected-id 0x020a20dd \
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-expected-id 0x020a30dd \
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-expected-id 0x020a40dd \
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-expected-id 0x020a50dd \
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-expected-id 0x020a60dd
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# 200ns seems like a good speed
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# c.f. Table 5-34: MAX II JTAG Timing Parameters
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adapter speed 5000
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