DS80CH11 Datasheet, PDF (6/88 Pages) Dallas Semiconductor – System Energy Manager

DS80CH11
CONTROLLER BLOCK DIAGRAM Figure 1–1
3
VCC
VPFW
VRST
3
GND
ALE
PSEN
RST
P3.7 / RD
P3.6 / WR
P3.5 / T1
P3.4 / T0
P3.3 / INT1
P3.2 / INT0
P3.1 / TXD0
P3.0 / RXD0
P1.7
P1.6
P1.5 / SDA2
P1.4 / SCL2
P1.3 / SDA1
P1.2 / SCL1
P1.1 / T2EX
P1.0 / T2
P6.7 / SOC
P6.6
P6.5 / PWI.1
P6.4 / PWI.0
P6.3 / PWO.3
P6.2 / PWO.2
P6.1 / PWO.1
P6.0 / PWO.0
P7.7 /
AMI.7 /
XTAL1 XTAL2 LED.7
P7.0 /
AMI.0 /
LED.0
uC
CLK OSC.
PORT 7 /
ACT. MONITOR /
LED CONTROL
HGND
HVCC
P10.7
P10.0
POWER
CONTROL
PORT 10
SYS. CLOCK
CONTROL
SCRATCHPAD
REGISTERS
(256 BYTES)
WATCHDOG
TIMER
TIMER 2
TIMER 1
TIMER 0
INT 1
INT 0
8051
UART
ACC. BUS
SIO2
ACC. BUS
SIO1
SPECIAL
FUNCTION
REGISTERS
HIGH SPEED
80C520
CPU CORE
256 x 8
DATA
RAM
4 MHz
RING OSC.
PM2C
STATUS
PM2C
OUTPUT
PM2C
INPUT
PM1C
STATUS
PM1C
OUTPUT
PM1C
INPUT
KBC
STATUS
KBC
OUTPUT
KBC
INPUT
SMI2
PM2CS
PM1CS
SMI1
KBOBF
KBCS
A0
IOR
IOW
SD7–SD0
AVCC
AGND
P5.7 / AI.7
PORT 0
PORT 2
PORT 4 /
KEYBOARD
IN
PORT 8/
KEYBOARD
OUT
PORT 9/
KEYBOARD
OUT
P5.0 / AI.0
VRH
VRL
P0.7 /
AD7
P0.0 / P2.7 /
AD0 A15
P2.0 / P4.7 /
A8 KSI.7
P4.0 / P8.7/
KSI.0 KS0.7
P8.0/ P9.7/
KS0.0 KS0.15
P9.0/
KS0.8
011200 6/88