Cypress CY4672 manual 6.16, 6.17, 6.18, 6.19, 6.20, 6.21, 6.22, Ghost Key Detection

Contents

	4.3.6.10	KEYBOARD_TX_TIMEOUT	64
	4.3.6.11	TIMER_CAL	64
	4.3.6.12	ENCRYPT_TEA	64
	4.3.6.13	ENCRYPT_AES	64
	4.3.6.14	MFG_TEST_CODE	64
	4.3.6.15	MFG_ENTER_BY_PIN	64
	4.3.6.16	MFG_TX_MODES	65
	4.3.6.17	MOUSE_EMULATION_MODE	65
	4.3.6.18	BACK_CHANNEL_SUPPORT	65
	4.3.6.19	MASTER_PROTOCOL	65
	4.3.6.20	PAYLOAD_LENGTH	65
	4.3.6.21	KISS_BIND	65
	4.3.6.22	RSSI_QUALIFY	65
	4.3.6.23 PLATFORM_H		65
4.3.7	Platform and Architecture Portability		65
4.3.8	Initialization		66
4.3.9	Wireless Protocol Data Payload		66
	4.3.9.1	Keyboard Application Report Formats	66
4.3.10 Ghost Key Detection			70
4.3.11	Interrupt Usage / Timing		70
4.3.12 Code Performance Analysis			71
4.4 Modifying the Keyboard Matrix or Adding New Keys			72
4.4.1	Modifying the Keyboard Matrix		72
4.4.2	Adding New Keys		72
4.5 Development Environment			73
4.5.1	Tools		73
4.5.2	Tips and Tricks		73
	4.5.2.1	M8C Sleep	73
	4.5.2.2	Watchdog Timer	73
4.5.3	Critical Test Points		74

5. Bridge				75
5.1	Introduction			75
	5.1.1	Design Features		75
5.2	Hardware Overview			75
	5.2.1	Bridge Photographs		76
	5.2.2	In-System Programming		76
	5.2.3	Schematics		77
	5.2.4	LED Usage		77
5.3	Firmware Architecture			78
	5.3.1	ROM/RAM Usage		78
	5.3.2 PRoC LP Device Configuration			78
		5.3.2.1	Global Configuration	80
		5.3.2.2 SPI Master User Module		81
		5.3.2.3 USB Device User Module		81
		5.3.2.4 1 Millisecond Interval Timer User Module		81
		5.3.2.5	Flash Security	81
	5.3.3	Model		82
	5.3.4	Common Code		82
		5.3.4.1 PSoC Generated Library Code		82
		5.3.4.2	Flash	83
		5.3.4.3	Timer	83
		5.3.4.4	Radio Driver	83
6			CY4672 Reference Design Guide, Document # 001-16968 Revision **

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