Signal Description
MPC5566 Microcontroller Reference Manual, Rev. 2
Freescale Semiconductor 2-7
 
BDIP_
GPIO[63]
External burst data in progress
GPIO
P
G
O
I/O
V
DDE2
F – / Up – / Up 
11
N1 N1
WE
/BE[0:1]_ 
13
GPIO[64:65]
External write/byte enable
GPIO
P
G
O
I/O
V
DDE2
F – / Up – / Up 
11
R4, R3 U5, T5
WE
/BE[2:3]_ 
13
GPIO[66:67]
External write/byte enable
GPIO
P
G
O
I/O
V
DDE2
F – / Up – / Up 
11
R2, R1 N3, P1
OE
_
GPIO[68]
External output enable
GPIO
P
G
O
I/O
V
DDE3
F – / Up – / Up 
11
AE12 AF16
TS
_
GPIO[69]
External transfer start
GPIO
P
G
I/O
I/O
V
DDE2
F – / Up – / Up 
11
V3 W3
TA
_
GPIO[70]
External transfer acknowledge
GPIO
P
G
I/O
I/O
V
DDE2
F – / Up – / Up 
11
U3 V3
TEA
_
GPIO[71]
External transfer error acknowledge
GPIO
P
G
I/O
I/O
V
DDE2
F – / Up – / Up 
11
N2 N2
BR
_
FEC_MDC_
GPIO[72]
External bus request
Ethernet management clock
GPIO
P
A
G
I/O
O
I/O
V
DDE3
F – / Up – / Up 
11
AE13 AF17
BG
_
FEC_MDIO_
GPIO[73]
External bus grant
Ethernet management data I/O
GPIO
P
A
G
I/O
I/O
I/O
V
DDE3
F – / Up – / Up 
11
AE14 AG16
BB
_
GPIO[74]
External bus busy
GPIO
P
G
I/O
I/O
V
DDE3
F – / Up – / Up 
11
AF14 AG17
Calibration Bus 
CAL_CS[0] Calibration chip select P O V
DDE12
F – / Up – / Up — AB11
CAL_CS[1:3]_
CAL_ADDR[9:11]
Calibration chip select
Calibration address bus
P
A
O
O
V
DDE12
F – / Up – / Up —
AA12, AA10, 
AB10
CAL_ADDR[12:30]
Calibration address bus P O V
DDE12
F – / Up – / Up —
AA14, R8, 
AA15, W7, 
P7, P8, U7, 
N7, M8, M7, 
V7, L8, T8, 
K8, L7, U8, 
V8, AB13, 
AB14
CAL_DATA[0:15] Calibration data bus P I/O V
DDE12
F – / Up – / Up —
W21, Y22, 
V21, W22, 
U21, U22, 
T21, T22, 
AA17, AB16, 
AA18, AB17, 
AA19, AB19, 
AA20, AB20
CAL_RD_WR
Calibration read/write P O V
DDE12
F – / Up – / Up — W8
CAL_WE
/BE[0:1] Calibration write/byte enable P O V
DDE12
F – / Up –/ Up — Y8, AA7
CAL_OE
Calibration output enable P O V
DDE12
F – / Up – / Up — AD16
Table 2-1. MPC5566 Signal Properties  (continued)
Signal Names Signal Functions 
1
P/
A/
G
I/O
Type Voltage 
2
Pad
Type 
3
Status
416
Package
496 
Vertical 
Assembly 
4
During 
Reset 
5
After 
Reset 
6