ADP315PC87570 National Semiconductor, ADP315PC87570 Datasheet - Page 3

• Manufacturer Part Number: ADP315PC87570
• Description: Keyboard and Power Management Controller
• Manufacturer: National Semiconductor

Basic Configuration
•
•
•
MFT16
— Two 16-bit timers
— Each timer supports Pulse Width Modulator (PWM),
TWD
— 16-bit periodic interrupt timer with 30- s resolution
— 8-bit WATCHDOG timer
ADC
— Eight channels, 8-bit resolution
Capture and Counter capabilities
and 5-bit prescaler, for system tick and periodic
wake-up tasks
Configuration
(power-up reset)
32.768 KHz
Control
Battery
Inputs
Crystal
Reset
Clock
RTC
or
External Keyboard
NC
NC
Interface
HMR
32KX1/32KCLKIN
32KX2
V
HD7-0
HA18-0
HAEN
HIOR
HIOW
HIOCHRDY
HMEMRD
HMEMWR
HMEMCS
IRQ1
IRQ8
IRQ11
IRQ12
GA20
HRSTO
HPWRON
ENV1
ENV0
SHBM
HRMS
HDEN
TRIS
BAT
Highlights
External Mouse
3
PC87570
Interface
•
•
•
— 10 s conversion/channel
— Internal or external voltage reference
DAC
— Four channels, 8-bit resolution
— 1 s conversion time for 50 pF load
— Full output range from AGND to AVCC
Supports Microsoft Advanced Power Management
(APM) specifications revision 1.2, February 1996
— Generates the System Management Interrupt (SMI)
160-pin PQFP and 176-pin TQFP packages
EXINT0,10,11,15
A18-16, A15-0
KBSOUT15-0
Auxiliary PS/2
KBSIN7-0
Interface
WR1-0
SELIO
PC7-0
PD7-0
PG4-0
PH5-0
AD7-0
DA3-0
AGND
PA6-0
PB7-0
PE1-0
AVCC
D15-8
PF7-0
PFAIL
SWIN
RING
SEL0
SEL1
V
GND
D7-0
VCC
SDA
SCL
PC0
REF
RD
TB
TA
NC
ADC
DAC
(Application)
ACCESS.bus
Expansion
Keyboard
SRAM or
Interrupt
External
Memory
System
Internal
(Matrix)
Timers
Power
Supply
Flash
GPIO
I/O
Analog
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