Datasheet
MC9S08EL32 Series and MC9S08SL16 Series Data Sheet, Rev. 3
Freescale Semiconductor 25
Chapter 2
Pins and Connections
This section describes signals that connect to package pins. It includes pinout diagrams, recommended
system connections, and detailed discussions of signals.
2.1 Device Pin Assignment
This section describes pin assignments for the MC9S08EL32 Series and MC9S08SL16 Series devices. Not
all features are available in all devices. See Table 1-1 for details.
Figure 2-1. 28-Pin TSSOP
Figure 2-2. 20-Pin TSSOP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
PTC6/PIC6/ACMP2+/ADP14
PTC7/PIC7/ACMP2–/ADP15
PTA0/PIA0/TPM1CH0/TCLK/ACMP1+/ADP0
PTA1/PIA1/TPM2CH0/ACMP1–/ADP1
PTA2/PIA2/SDA/RxD/ACMP1O/ADP2
PTA3/PIA3/SCL/TxD/ADP3
PTA6/TPM2CH0
PTA7/TPM2CH1
PTB0/PIB0/SLRxD/RxD/ADP4
PTB1/PIB1/SLTxD/TxD/ADP5
PTB2/PIB2/SDA/SPSCK/ADP6
PTB3/PIB3/SCL/MOSI/ADP7
PTC0/PIC0/TPM1CH0/ADP8
PTC1/PIC1/TPM1CH1/ADP9
PTC5/PIC5/ACMP2O/ADP13
PTC4/PIC4/ADP12
RESET
BKGD/MS
V
DD
V
DDA
/V
REFH
V
SSA
/V
REFL
V
SS
PTB7/SCL/EXTAL
PTB6/SDA/XTAL
PTB5/TPM1CH1/SS
PTB4/TPM2CH1/MISO
PTC3/PIC3/TPM1CH3/ADP11
PTC2/PIC2/TPM1CH2/ADP10
28
27
26
25
24
23
22
21
20
19
18
17
16
15
28-Pin
TSSOP
1
2
3
4
5
6
7
8
9
10
PTA0/PIA0/TPM1CH0/TCLK/ACMP1+/ADP0
PTA1/PIA1/TPM2CH0/ACMP1–/ADP1
PTA2/PIA2/SDA/RxD/ACMP1O/ADP2
PTA3/PIA3/SCL/TxD/ADP3
PTB0/PIB0/SLRxD/RxD/ADP4
PTB1/PIB1/SLTxD/TxD/ADP5
PTB2/PIB2/SDA/SPSCK/ADP6
PTB3/PIB3/SCL/MOSI/ADP7
PTC0/PIC0/TPM1CH0/ADP8
PTC1/PIC1/TPM1CH1/ADP9
RESET
BKGD/MS
V
DD
/V
DDA
/V
REFH
V
SS
/V
SSA
/V
REFL
PTB7/SCL/EXTAL
PTB6/SDA/XTAL
PTB5/TPM1CH1/SS
PTB4/TPM2CH1/MISO
PTC3/PIC3/TPM1CH3/ADP11
PTC2/PIC2/TPM1CH2/ADP10
20
19
18
17
16
15
14
13
12
11
20-Pin
TSSOP
