EM78P468NBQ EMC [ELAN Microelectronics Corp], EM78P468NBQ Datasheet - Page 15

• Manufacturer Part Number: EM78P468NBQ
• Description: 8-BIT Microcontroller
• Manufacturer: EMC [ELAN Microelectronics Corp]

Product Specification (V1.2) 03.15.2005
(This specification is subject to change without further notice)
ADDRESS
0 A
0 B
0 C
0 D
0 E
0 0
0 1
0 2
0 3
0 4
0 5
0 6
0 7
0 8
0 9
0 F
1 0
1 F
2 0
3 F
|
|
IAR (Indirect Addressing Register)
TCC (Time C
PC (Program
SR (Status R
RSR (RAM s
PORT5 (Port
PORT6 (Port6 I/O data register)
PORT7 (Port7
PORT8 (Por
LCDCR (LC
LCD_ADDR
LCD_DB (L
CNTER (Cou
SBPCR (Sy
IRCR (IR, Pin of IR;INT0/1;TCC control)
ISR (interrup
16 byte
32 byte common register
11 PAGE3 0C00~0FFF
00 PAGE0 0
01 PAGE1 0400~07FF
10 PAGE2 0800~0BFF
ban
CD data buffer)
stem, Booster , PLL control)
D control register)
t8 I/O data register)
elect register)
t status register)
egister)
(LCD address)
k 0 ~ bank 3
nter enable register
common register
lock Counter)
Counter)
5 & IOCPAGE Control)
I/O data register)
000~
03FF
PC
)
A1
1
R3
A10 A9 A8
CAL
RET
RETL
RETI
Fig. 3 Program Counter Organization
Fig. 4 Data
L
STACK LEVEL 1
STACK LEVEL 2
STACK LEVEL 3
STACK LEVEL 4
STACK LEVEL 5
STACK LEVEL 6
STACK LEVEL 7
STACK LEVEL 8
A7
R5 bit 0 -> 0
control register page 0
P5CR (P
P6CR (Port6 I/O c
P7C
P8CR
RAM
RAM_DB (128 by
CNT1PR (Counter
CNT2PR (Counter
HPWTPR (High-p
LPWTPR (Low-pulse width timer preset)
IMR (interrupt mask register)
Mem
~
R (Port7 I/O c
_ADDR (128
LCD RAM 4*32 bits
128 byte data RAM
(Port8 I/O c
ort5 I/O & LCD segment control)
A0
ory Conf
Reset v ector
TCC ov erf l
Exteral INT
Exteral INT1 pin interrupt v ector
Counter 1 underf low interrupt v ector
Counter 2 underf low interrupt v ector
high pulse width timer underf low interrupt v ector
low pulse width timer underf low interrupt v ector
Port 6,Port8 pin change wake-up interrupt v ector
te RA
ontro
ontr
ontro
ulse
byte
1 pr
2 pr
On-Chip Program memory
ol register)
eset register)
eset register)
width timer preset)
l register)
l register)
RAM address)
M data buffer)
iguration
0 pin i
ow int
nterrupt v ecto
errupt v ector
r
R5 bit 0 -> 1
control register page 1
WUCR
TCCCR
W
CNT12CR (Counter 1,2 control register)
H
P
P
P8PH (Port 8 pull-high
P6PL (Port 6 pull-low control register)
6PH (Port 6 pull-high control register)
6OD (Port 6 open drain control register)
LPWTCR (high/low pulse width timer control)
DTCR (WDT control register)
8-BIT Microcontroller
(Wake up & P5.7 si
(TCC & INT0 cont
000H
003H
006H
009H
00CH
00FH
012H
015H
018H
FFFH
EM78P468N
control register)
rol register)
nk current)
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