EM78P258N
8-Bit Microprocessor with OTP ROM
6.1.3.1 Data Memory Configuration
Address
R PAGE registers
IOCX0 PAGE registers
IOCX1 PAGE registers
Reserve
R0
R1
R2
R3
R4
R5
R6
R7
R8
R9
RA
RB
RC
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
(Indirect Addressing Register)
(Time Clock Counter)
(Program Counter)
(Status Register)
(RAM Select Register)
(Port5)
Reserve
CONT
(Control Register)
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
IOC51
IOC50
IOC60
IOC70
(TCCA Counter)
(I/O Port Control Register)
(I/O Port Control Register)
(I/O Port Control Register)
IOC61
IOC71
(Port6)
(TCCB LSB Counter)
(TCCB HSB Counter)
(Port7)
IOC80 (TCCA Control Register)
(ADC Input Select Register
IOC81
IOC91
(TCCC Counter)
(TCCB and TCCC
Control Register)
IOC90
(Low-Time Register)
(ADC Control Register)
(IR and TCCC Scale
Control Register)
(ADC Offset Calibration
Register)
(High-Time Register)
IOCA0
IOCA1
IOCB1
IOCC1
(Pull-down Control
Register)
(High-Time and Low-Time
Scale control Register)
(The converted value
AD11~AD4 of ADC)
(The converted value
AD11~AD8 of ADC)
(The converted value
AD7~AD0 of ADC)
IOCB0
(Open-drain Control
Register)
IOCC0
(TCC Prescaler Control)
Reserve
IOCD0
IOCE0
(Pull-high Control Register)
RD
RE
(WDT Control Register and
Interrupt Mask Register 2)
(Interrupt Status 2 and
Wake-Up Control Register
Reserve
Reserve
RF
(Interrupt Status Register 1)
IOCF0
(Interrupt Mask Register 1)
10
1F
General Registers
20
：
Bank0
Bank1
3F
Product Specification (V1.0) 06.16.2005
• 7
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
