MC9S08QB8 Datasheet, PDF (4/36 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit

Pin Assignments
2 Pin Assignments
This chapter shows the pin assignments for the MC9S08QB8 series devices.
Table 1. Pin Availability by Package Pin-Count
Pin Number
<-- Lowest Priority --> Highest
28 24 16 Port Pin
Alt 1
Alt 2
Alt 3
Alt 4
1 — — PTC5
2 — — PTC4
3 23 1 PTA5
IRQ
TCLK
RESET
4 24 2 PTA4
ACMPO BKGD
MS
513
6 2—
7 3—
844
9 5 5 PTB7
V_DD
V_DDA/V_REFH
V_SSA/V_REFL
V_SS
EXTAL
10 6
11 7
6 PTB6
7 PTB5
TPMCH0¹
XTAL
12 8 8 PTB4
13 — — PTC3
14 — — PTC2
15 9 — PTC1
16 10 — PTC0
17 11 9 PTB3
KBIP7
ADP7
18 12 10 PTB2
KBIP6
ADP6
19 13 11 PTB1
KBIP5
TxD
ADP5
20 14 12 PTB0
KBIP4
RxD
ADP4
21 15 — PTA7
22 16 — PTA6
23 17 13 PTA3
KBIP3
ADP3
24 18 14 PTA2
25 19 15 PTA1
26 20 16 PTA0
KBIP2
KBIP1
KBIP0
TPMCH0
ADP2
ADP1²
ADP0²
ACMP–²
ACMP+²
27 21 — PTC7
28 22 — PTC6
1 _{TPMCH0 pin can be repositioned using at PTB5 TPMCH0PS in SOPT2, default}
reset location is PTA0.
2 _{If ADC and ACMP are enabled, both modules will have access to the pin.}
MC9S08QB8 Series MCU Data Sheet, Rev. 3
4
Freescale Semiconductor