Re: [OpenOCD-devel] lpc flash driver query

[Spencer O. <sp...@sp...>]

On 29 August 2012 12:11, Freddie Chopin <fre...@op...> wrote:
> W dniu 2012-08-29 12:28, Spencer Oliver pisze:
>> Have not used this driver before but have been doing some tests with a lpc1343.
>> Just spotted that for the lpc17x we pass the cpu freq (CCLK) as 4MHz -
>> any reason as this device has an internal 12MHz osc?
>
> My user manual says otherwise:
>
> UM10360
> LPC17xx User manual
> Rev. 2 — 19 August 2010
>
>> • 4 MHz internal RC oscillator trimmed to 1% accuracy that can optionally be used as a
>> system clock.
>
> But - new entries to the family, LPC177x and LPC178x indeed have 12MHz IRC.
>
> By convention in docs and files from NXP "LPC17xx" in fact refers to
> LPC175x and LPC176x only, not to the new ...7x and ...8x.
>

ah ok, probably looking at the wrong user manual for the lpc17x.
so looks like the newer devices use a 12MHz internal osc then.

Spen