37C957FR Datasheet, PDF (155/328 Pages) SMSC Corporation – ULTRA I/O CONTROLLER FOR PORTABLE APPLICATIONS

Sys.
index
GPIO Input
------
register B
GPIO
------
Direction
register C
GPIO Ouput
------
register C
GPIO Input
------
register C
LED register ------
OUT
------
register D
OUT
------
register E
IN register F
------
PWM0 register IDX
92h
PWM1 register IDX
93h
KSTP_CLK
------
KMEM
------
WAKEUP
------
Source 1
WAKEUP
------
Source 2
WAKEUP
------
mask 1
WAKEUP
------
mask 2
Multiplexing 3 ------
register
ACCESS.BUS ------
Control reg
ACCESS.BUS ------
Status reg
ACCESS.BUS ------
Own Address
reg
ACCESS.BUS ------
Data reg
ACCESS.BUS ------
Clock
WAKEUP
------
Source 3
WAKEUP
------
Mask 3
Sys.
R/W
8051
address
(7F00+)
8051
R/W
N/A 1Dh
R
N/A 1Eh
R/W
N/A 1Fh
N/A 20h
N/A 21h
N/A 22h
N/A 23h
N/A 24h
R/W 25h
R/W 26h
N/A 27h
N/A 29h
N/A 2Ah
N/A 2Bh
N/A 2Ch
N/A 2Dh
N/A 30h
N/A 31h
N/A 31h
N/A 32h
R/W
R
R/W
R/W
R/W
R
R/W
R/W
R/W
R/W
R
R
R/W
R/W
R/W
W
R
R/W
N/A 33h
N/A 34h
N/A 35h
N/A 36h
R/W
R/W
R
R/W
Power
Source
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
POR
N/A
N/A
00h
00h
10h
00h
00h
00h
00h
00h
00h
00h
81h
00h
00h
00h
00h
FFh
VCC2
POR
00h
00h
N/A
00h
FFh
0Fh
Zero
Wait
State
(8)
Y
Y
Notes
12
12
12
12
12
See
Page #
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