Epson S1C63558 OUTLINE, POWER SUPPLY AND INITIAL RESET, CHAPTER 3 CPU, ROM, RAM, Features, Block Diagram, Pin Layout Diagram, Pin Description, Mask Option, Power Supply, CPU

						CONTENTS
					CONTENTS
CHAPTER 1	OUTLINE ________________________________________________ 1
	1.1	Features ........................................................................................................				1
	1.2	Block Diagram ..............................................................................................				2
	1.3	Pin Layout Diagram .....................................................................................				3
	1.4	Pin Description .............................................................................................				4
	1.5	Mask Option ..................................................................................................				5
CHAPTER 2	POWER SUPPLY AND INITIAL RESET ____________________________ 8
	2.1	Power Supply ................................................................................................				8
		2.1.1 Voltage <VD1> for oscillation circuit and internal circuits ......................				8
		2.1.2 Voltage <VC1–VC5> for LCD driving ........................................................				8
	2.2	Initial Reset ...................................................................................................				9
		2.2.1 Reset terminal				9
				(RESET)
		2.2.2 Simultaneous low input to terminals K00–K03 ........................................				10
		2.2.3 Internal register at initial resetting ..........................................................				10
		2.2.4 Terminal settings at initial resetting .........................................................				11
	2.3	Test Terminal				11
			(TEST)
CHAPTER 3 CPU, ROM, RAM ________________________________________ 12
	3.1	CPU ..............................................................................................................				12
	3.2	Code ROM ...................................................................................................				12
	3.3	RAM .............................................................................................................				12
	3.4	Data ROM ....................................................................................................				13
CHAPTER 4 PERIPHERAL CIRCUITS AND OPERATION __________________________ 14
	4.1	Memory Map ................................................................................................				14
	4.2	Watchdog Timer ...........................................................................................				23
		4.2.1 Configuration of watchdog timer ..............................................................				23
		4.2.2 Interrupt function ......................................................................................				23
		4.2.3 I/O memory of watchdog timer .................................................................				24
		4.2.4 Programming notes ...................................................................................				24
	4.3	Oscillation Circuit .......................................................................................				25
		4.3.1 Configuration of oscillation circuit ..........................................................				25
		4.3.2 OSC1 oscillation circuit ............................................................................				25
		4.3.3 OSC3 oscillation circuit ............................................................................				26
		4.3.4 Switching the CPU operating clock ..........................................................				26
		4.3.5 Clock frequency and instruction execution time ......................................				26
		4.3.6 I/O memory of oscillation circuit ..............................................................				27
		4.3.7 Programming notes ...................................................................................				27
	4.4	Input Ports (K00–K03 and K10–K13) .........................................................				28
		4.4.1 Configuration of input ports .....................................................................				28
		4.4.2 Interrupt function ......................................................................................				28
		4.4.3 Mask option ...............................................................................................				29
		4.4.4 I/O memory of input ports .........................................................................				30
		4.4.5 Programming notes ...................................................................................				32
	4.5	Output Ports (R00–R03, R10–R13 and R20–R23) ......................................				33
		4.5.1 Configuration of output ports ...................................................................				33
		4.5.2 Mask option ...............................................................................................				33

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