CM220
Updateable USB2.0 Card Reader Controller
4. PIN DESCRIPTIONS & ASSIGNMENT
48
100
Pin# pin #
NC
NC
NC
10
11
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
12
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
2
3
4
5
6
NC
NC
NC
NC
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
128
pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Symbol
XDCD
SMCD
SMCEB
SMWP
TMODE
GPIO1
CFLED
VCC3V(O)
GND(O)
CFPWR
CFD[3]
CFD[11]
CFD[4]
CFD[12]
CFD[5]
CFD[13]
CFD[6]
CFD[14]
CFD[7]
VCC3V(O)
GND(O)
CFD[15]
CFCS0
CFCS1
CFIOR
CFIOW
CFRST
CFSA[2]
CFSA[1]
CFSA[0]
CFD[0]
DIO, PD
DO,
DO,
DO,
DO,
DO,
DO,
DO,
DO,
DIO, PD
DO
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DIO, PD
I/O Type
DI, PU
DI, PU
DO
DI, PU
DI, PD
DI
DO
Description
XD Card detect pin, low active
SM Card detect pin, low active
SM card enable, low active
SM card write protect, low active
Chip test mode enable, High active
General Purpose Input Output
CF Card access indicator Led, High active
Digital power. Connected to 3.3 V
Digital Ground pin
CF Card power control, low active
CF card data bus
CF card data bus
CF card data bus
CF card data bus
CF card data bus
CF card data bus
CF card data bus
CF card data bus
CF card data bus
Digital power. Connected to 3.3 V
Digital Ground pin
CF card data bus
CF card select 0
CF card select 1
CF card read enable, low active
CF card write enable, low active
CF card reset, low active
CF card address bus
CF card address bus
CF card address bus
CF card data bus
Date: 8/2/2005
-7-
Version:
1.4
CMEDIA [ C-MEDIA ELECTRONICS ]
