MPC8280 PowerQUICC II Family Hardware Specifications, Rev. 2
74 Freescale Semiconductor
Pinout
PD27/TXD2 FCC1_UT16_RXD7 H222
PD28/RXD2 FCC1_UT16_TXD7 B222
PD29/RTS1/TENA1 FCC1_UTM_RXADDR3/
FCC1_UTS_RXADDR3/
FCC1_UTM_RXCLAV2/
FCC2_UTM_RXADDR4/
FCC2_UTS_RXADDR1
D222
PD30/TXD1 FCC2_UTM_TXENB/
FCC2_UTS_TXENB
C212
PD31/RXD1 E192
VCCSYN D19
VCCSYN1 K6
CLKIN2 K21
SPARE43C14
PCI_MODE4AD24
SPARE63B15
No connect5E17, C23
I/O power E6, F6, H6, L5, L6, P6, T6, U6, V5,
Y5, AA6, AA8, AA10, AA11, AA14,
AA16, AA17, AB19, AB20, W21,
U21, T21, P21, N21, M22, J22, H21,
F21, F19, F17, E16, F14, E13, E12,
F10, E10, E9
Core Power L3, V4, W3, AC11, AD11, AB15,
U25, T24, J24, H25, F23, B19, D17,
C17, D10, C10
Ground B186, A187, A2, B1, B2, A5, C5,
C18, D4, D6, G2, L4, P1, R1, R4,
AC4, AE7, AC23, Y25, N24, J23,
A23, D23, D20, E18, A13, A16, K10,
K11, K12, K13, K14, K15, K16, K17,
L10, L11, L12, L13, L14, L15, L16,
L17, M10, M11, M12, M13, M14,
M15, M16, M17, N10, N11, N12,
N13, N14, N15, N16, N17, P10, P11,
P12, P13, P14, P15, P16, P17, R10,
R11,R12, R13, R14, R15, R16, R17,
T10, T11, T12, T13, T14, T15, T16,
T17, U10, U11, U12, U13, U14, U15,
U16, U17
1Should be tied to VDDH via a 2K Ω external pull-up resistor.
2The default configuration of the CPM pins (PA[0–31], PB[4–31], PC[0–31], PD[4–31]) is input. To prevent excessive DC
current, it is recommended to either pull unused pins to GND or VDDH, or to configure them as outputs.
Table 25. MPC8275 and MPC8270 (VR and ZQ Packages) Pinout List (continued)
Pin Name
Ball
MPC8275/MPC8270 MPC8275 only