DS80CH11 Maxim, DS80CH11 Datasheet - Page 6

• Manufacturer Part Number: DS80CH11
• Description: The system energy manager is a highly integrated microcontroller that provides several key features for systems including key scanning and control, battery and power management, as well as two 2-Wire serial I/O Ports
• Manufacturer: Maxim

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