EP7309-CR Cirrus Logic Inc, EP7309-CR Datasheet - Page 37

• Manufacturer Part Number: EP7309-CR
• Description: 32-Bit Microcontroller IC
• Manufacturer: Cirrus Logic Inc

Specifications of EP7309-CR

• Controller Family/series: (ARM7)
• Core Size: 32 Bit
• No. Of Timers 8/12/16/32 Bits: 0 / 0 / 2 / 0
• Interface: SSI, UART
• Embedded Interface Type: SSI, UART
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

DS507F1
Y11
Y12
Y13
Y14
Y15
Y16
Y17
Y18
Y19
Y20
Ball Location
* “With p/u” means with internal pull-up of 100 KOhms on the pin.
†
‡
Input. Port A,B,D,E GPIOs default to input at nPOR and URESET conditions.
Strength 2 = 12 ma
Strength 1 = 4 ma
SMPCLK
FB[1]
COL[6]
COL[3]
COL[1]
D[31]
D[28]
D[27]
A[25]/DRA[2]
VDDIO
Name
Strength
1
1
1
1
1
1
1
2
Table 20. 204-Ball TFBGA Ball Listing (Continued)
†
©
Copyright Cirrus Logic, Inc. 2005
Reset
State
High
High
High
Low
Low
Low
Low
Low
(All Rights Reserved)
Pad power
Type
I/O
I/O
I/O
O
O
O
O
O
I
SSI1 ADC sample clock
PWM feedback input
Keyboard scanner column drive
Keyboard scanner column drive
Keyboard scanner column drive
Data I/O
Data I/O
Data I/O
System byte address / SDRAM address
Digital I/O power, 3.3V
High-Performance, Low-Power System on Chip
Description
EP7309
37