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Rev. 5.00, 09/03, page 9 of 760
1.3.2 Pin Function
Table 1.3 SH7709S Pin Function
Number of Pins
FP-208C
FP-208E BP-240A Pin Name I/O Description
1 D2 MD1 I Clock mode setting
2 C2 MD2 I Clock mode setting
3 E2 Vcc-RTC
*
1
— RTC power supply (
*
3
)
4 D1 XTAL2 O On-chip RTC crystal oscillator pin
5 D3 EXTAL2 I On-chip RTC crystal oscillator
pin
*
6
6 E1 Vss-RTC
*
1
— RTC power supply (0 V)
7 C3 NMI I Nonmaskable interrupt request
8E3IRQ0/IRL0/PTH[0] I External interrupt request/input
port H
9E4IRQ1/IRL1/PTH[1] I External interrupt request/input
port H
10 F1 IRQ2/IRL2/PTH[2] I External interrupt request/input
port H
11 F2 IRQ3/IRL3/PTH[3] I External interrupt request/input
port H
12 F3 IRQ4/PTH[4] I External interrupt request/input
port H
13 F4 D31/PTB[7] I/O Data bus / input/output port B
14 G1 D30/PTB[6] I/O Data bus / input/output port B
15 G2 D29/PTB[5] I/O Data bus / input/output port B
16 G3 D28/PTB[4] I/O Data bus / input/output port B
17 G4 D27/PTB[3] I/O Data bus / input/output port B
18 H1 D26/PTB[2] I/O Data bus / input/output port B
19 H2 VssQ — Input/output power supply (0 V)
20 H3 D25/PTB[1] I/O Data bus / input/output port B
21 H4 VccQ — Input/output power supply (3.3 V)
22 J1 D24/PTB[0] I/O Data bus / input/output port B
23 J2 D23/PTA[7] I/O Data bus / input/output port A
24 J4 D22/PTA[6] I/O Data bus / input/output port A
25 J3 D21/PTA[5] I/O Data bus / input/output port A
26 K2 D20/PTA[4] I/O Data bus / input/output port A