Samsung S3C84E5 user manual Control Registers, Set 1 Registers Register Name Mnemonic Decimal Hex

S3C84E5/C84E9/P84E9 CONTROL REGISTER

4 CONTROL REGISTERS

OVERVIEW

Control register descriptions are arranged in alphabetical order according to register mnemonic. More detailed information about control registers is presented in the context of the specific peripheral hardware descriptions in Part II of this manual.

The locations and read/write characteristics of all mapped registers in the S3C84E5/C84E9/P84E9 register file are listed in Table 4-1. The hardware Reset value for each mapped register is described in Chapter 8, RESET and Power-Down."

Table 4-1. Set 1 Registers

Register Name	Mnemonic	Decimal	Hex	R/W
Timer B control register	TBCON	208	D0H	R/W
Timer B data register (High Byte)	TBDATAH	209	D1H	R/W
Timer B data register (Low Byte)	TBDATAL	210	D2H	R/W
Basic timer control register	BTCON	211	D3H	R/W
Clock control register	CLKCON	212	D4H	R/W
System flags register	FLAGS	213	D5H	R/W
Register pointer 0	RP0	214	D6H	R/W
Register pointer 1	RP1	215	D7H	R/W
Stack pointer (High Byte)	SPH	216	D8H	R/W
Stack pointer (Low Byte)	SPL	217	D9H	R/W
Instruction pointer (High Byte)	IPH	218	DAH	R/W
Instruction pointer (Low Byte)	IPL	219	DBH	R/W
Interrupt request register	IRQ	220	DCH	R
Interrupt mask register	IMR	221	DDH	R/W
System mode register	SYM	222	DEH	R/W
Register page pointer	PP	223	DFH	R/W

4-1