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comparison doc/Target-utils @ 527:aa4f70e36cbd

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doc/Target-utils: typo fix
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 14 Jun 2019 08:30:54 +0000
parents 6604403aa212
children 81a3fc069301
comparison
equal deleted inserted replaced
526:fc3592a27317 527:aa4f70e36cbd
95 register setting what the input clock frequency is, so that all peripherals 95 register setting what the input clock frequency is, so that all peripherals
96 (both GSM-specific and general-purpose) always run at 13 MHz. 96 (both GSM-specific and general-purpose) always run at 13 MHz.
97 97
98 When the Calypso boot process is interrupted and diverted to serial code 98 When the Calypso boot process is interrupted and diverted to serial code
99 download in the boot ROM, the boot ROM code autodetects whether the CLKTCXO 99 download in the boot ROM, the boot ROM code autodetects whether the CLKTCXO
100 input runs at 13 MHz or 26 MHz (it tries both register bits settings until 100 input runs at 13 MHz or 26 MHz (it tries both register bit settings until
101 the serial '<' characters sent by the host at 19200 baud are received 101 the serial '<' characters sent by the host at 19200 baud are received
102 correctly), and if the CLKTCXO input is 26 MHz, the VCLKOUT_DIV2 bit is set 102 correctly), and if the CLKTCXO input is 26 MHz, the VCLKOUT_DIV2 bit is set
103 in the FFFF:FD02 register. Most of our target-utils programs have no hard- 103 in the FFFF:FD02 register. Most of our target-utils programs have no hard-
104 coded knowledge of the 13 MHz vs. 26 MHz board hardware configuration and 104 coded knowledge of the 13 MHz vs. 26 MHz board hardware configuration and
105 rely on the Calypso boot ROM to set the division control bits in the 105 rely on the Calypso boot ROM to set the division control bits in the