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Diffstat (limited to 'keyboard/hhkb_rn42/rn42/PowerSave.txt')
| -rw-r--r-- | keyboard/hhkb_rn42/rn42/PowerSave.txt | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/keyboard/hhkb_rn42/rn42/PowerSave.txt b/keyboard/hhkb_rn42/rn42/PowerSave.txt deleted file mode 100644 index 8aea1c6dd..000000000 --- a/keyboard/hhkb_rn42/rn42/PowerSave.txt +++ /dev/null @@ -1,76 +0,0 @@ -Power Saving -============ - - -MCU+HHKB Power Comsumption --------------------------- -Battery drive: - idle 18.9mA - active 35.8mA - -USB powered: - 40.0mA - - -HHKB key switch power control ------------------------------ -MOS FET Nch: BSS138 or IRLML6344T, either works and no apparent difference. -Normally on(pull-up) or off(pull-down)? interms of power saving it prefers pull-down? - -Pull-down will be better for power saving, normally off. - - - -Used Timer ----------- - -8MHz clock ----------- -1) 16MHz xtal with system prescaler div2: F_CPU=8MHz, F_USB=16MHz -2) 8MHz xtal with div1: F_CPU=8MHz, F_USB=8MHz -Hardware USART doesn't work at 115200bps with 8MHz(F_CPU). - -workaround: -a) use Sotwre serial for communcation with RN-42 -b) reduce baud of RN-42 to lower rate;(factory default is 115200bps) -10/03 - - - -Slave mode ----------- -Discovery/Inquire -Connect/Page - -SI,0012 -SJ,0012 -InqWindw=0100 -PagWindw=0100 - - -Sniff mode ----------- -0.625ms * <hex> -SW,0320 Very sluggish. Type is not lost but very slow to register. -SW,0160 Still sluggish. may transposed? can type but ... - Mouse point move intermittently -SW,0020 feel a bit late like stumble(20ms) -SW,0010 feel no latency(10ms) - - -Deep sleep ----------- -SW,8010 - - -TX power --------- -SY,fff4 - - -IO pins -------- -S%,1000 status led and connection control don't work - GPIO5: status LED - GPIO6: Connection control - GPIO2: linked status |