EP7309-CR Cirrus Logic Inc, EP7309-CR Datasheet - Page 23

• 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

208-Pin LQFP Numeric Pin Listing
DS507PP1
No.
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
1
2
3
4
5
6
7
8
9
PB[1]/PRDY2
PB[0]/PRDY1
RUN/CLKEN
Table S. 208-Pin LQFP Numeric Pin Listing
EXPRDY
LEDDRV
EXPCLK
Signal
WRITE
RXD[2]
RXD[1]
VDDIO
WORD
TXD[2]
VDDIO
TXD[1]
PHDIN
nCS[5]
VSSIO
VSSIO
VSSIO
PB[7]
PB[6]
PB[5]
PB[4]
PB[3]
PB[2]
PA[7]
PA[6]
PA[5]
PA[4]
PA[3]
PA[2]
PA[1]
PA[0]
TDO
DCD
CTS
TDI
Pad Gnd
Pad Gnd
Pad Gnd
Pad Pwr
Pad Pwr
Type
Out
Out
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
I
I
I
I
I
I
I

Copyright 2001 Cirrus Logic (All Rights Reserved)
Strength
with p/u*
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Three state
Reset
State
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
High
High
High
High
Low
Low
Low
Low
Pin
No.
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
Table S. 208-Pin LQFP Numeric Pin Listing (Continued)
PD[0]/LEDFLSH
PE[2]/CLKSEL
BOOTSEL[1]
BOOTSEL[0]
VSSCORE
VDDCORE
SSIRXDA
SSIRXFR
nTEST[1]
nTEST[0]
nEXTFIQ
RTCOUT
VDDRTC
SSITXFR
SSITXDA
VSSRTC
nADCCS
nEINT[2]
nEINT[1]
SSICLK
Signal
EINT[3]
VDDIO
ADCIN
RTCIN
VSSIO
VSSIO
High-Performance, Low-Power System on Chip
PE[1]/
PE[0]/
PD[7]
PD[6]
PD[5]
PD[4]
PD[3]
PD[2]
PD[1]
DSR
TMS
N/C
RTC power
Core Gnd
RTC Gnd
Core Pwr
Pad Gnd
Pad Gnd
Pad Pwr
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
Strength
With p/u*
With p/u*
with p/u*
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Reset
State
Input
Input
Input
Input
Input
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
EP7309
23