Datasheet

40
Table 1.7 Pin Functions (cont)
Classification Symbol I/O Name Function
Bus control
multifunction
timer/pulse unit
(cont)
TIOC3A
TIOC3B
TIOC3C
TIOC3D
I/O MTU input
capture/output
compare
(channel 3)
Channel 3 input capture input/output
compare output/PWM output pins.
TIOC4A
TIOC4B
TIOC4C
TIOC4D
I/O MTU input
capture/output
compare
(channel 4)
Channel 4 input capture input/output
compare output/PWM output pins.
Direct memory
access
controller
(DMAC)
DREQ0–
DREQ1
I DMA transfer
request
(channels 0, 1)
Input pin for external requests for
DMA transfer.
DRAK0–
DRAK1
O DREQ request
acknowledgment
(channels 0, 1)
Output the input sampling
acknowledgment of external DMA
transfer requests.
DACK0–
DACK1
O DMA transfer
strobe (channels
0, 1)
Output a strobe to the external I/O of
external DMA transfer requests.
Serial
communication
interface (SCI)
TxD0–
TxD1
O Transmit data
(channels 0, 1)
SCI0, SCI1 transmit data output pins.
(TxD1 is used for data transfer during
boot mode of F-ZTAT)
RxD0–
RxD1
I Receive data
(channels 0, 1)
SCI0, SCI1 receive data input pins.
(RxD1 is used for data transfer during
boot mode of F-ZTAT)
SCK0–
SCK1
I/O Serial clock
(channels 0, 1)
SCI0, SCI1 clock input/output pins.
A/D Converter AV
CC
I Analog supply Analog supply; connected to V
CC
.
AV
SS
I Analog ground Analog supply; connected to V
SS
.
AVref
(QFP-144
only)
I Analog reference
supply
Analog reference supply input pin.
(Connected to AV
CC
internally in
QFP-112 and TQFP-120.)
AN0–AN7 I Analog input Analog signal input pins.
ADTRG I A/D conversion
trigger input
External trigger input for A/D
conversion start.