HD6473032F Datasheet, PDF (27/572 Pages) Hitachi Semiconductor – Hitachi Microcomputer

Table 1-3 Pin Functions (cont)
Type
Symbol
Serial com- TxD
munication
interface (SCI) RxD
Pin No.
9
10
I/O Name and Function
Output Transmit data: SCI data output
Input Receive data: SCI data input
A/D
converter
I/O ports
SCK
11
AN₇ to AN₀ 66 to 59
ADTRG 8
AV_CC
68
AV_SS
58
V_REF
67
P1₇ to P1₀ 29 to 22
P2₇ to P2₀ 38 to 31
P3₇ to P3₀ 20 to 13
P5₃ to P5₀ 42 to 39
P6₅ to P6₃, 56 to 54,
P6₀
43
P7₇ to P7₀ 66 to 59
P8₃ to P8₀ 72 to 69
Input/ Serial clock: SCI clock input/output
output
Input Analog 7 to 0: Analog input pins
Input A/D trigger: External trigger input for starting
A/D conversion
Input
Power supply pin for the A/D converter.
Connect to the system power supply (+5 V)
when not using the A/D converter.
Input
Ground pin for the A/D converter. Connect to
system ground (0 V) when not using the A/D
converter.
Input
Reference voltage input pin for the A/D
converter. Connect to the system power supply
(+5 V) when not using the A/D converter.
Input/ Port 1: Eight input/output pins. The direction
output of each pin can be selected in the port 1 data
direction register (P1DDR).
Input/ Port 2: Eight input/output pins. The direction
output of each pin can be selected in the port 2 data
direction register (P2DDR).
Input/ Port 3: Eight input/output pins. The direction
output of each pin can be selected in the port 3 data
direction register (P3DDR).
Input/ Port 5: Four input/output pins. The direction of
output each pin can be selected in the port 5 data
direction register (P5DDR).
Input/ Port 6: Four input/output pins. The direction
output of each pin can be selected in the port 6 data
direction register (P6DDR).
Input Port 7: Eight input pins
Input/ Port 8: Four input/output pins. The direction of
output each pin can be selected in the port 8 data
direction register (P8DDR).
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