M37733MHBXXXFP Datasheet, PDF (16/89 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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MITSUBISHI MICROCOMPUTERS
M37733MHBXXXFP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
76543210
0
Port function control register
Address
6D16
Standby state selection bit
0: Pins P0 – P3 as external bus output
1: Pins P0 – P3 as port output
Sub-clock output selection bit/Timer B2 clock source selection bit
• Port-Xc selection bit = “0” (sub-clock not used)
Timer B2 (event counter mode) clock source selection
0: TB2IN input
1: Main clock divided by 32
• Port-Xc selection bit = “1” (sub-clock used)
Sub-clock output selection
0: Function as port P67 pin
1: Output sub-clock φ SUB from P67/TB2IN/ φ SUB pin
Timer B1 internal connect selection bit
0: No internal connect
1: Internal connect to timer B2
Port P6 pull-up selection bit 0
0: With no pull-up transistor for pins P62/INT0, P63/INT1
1: With pull-up transistor for pins P62/INT0, P63/INT1
0: Always “0”
Port P6 pull-up selection bit 1
• Key input interrupt selection bit = “0”
0: With no pull-up transistor for P64/INT2 pin
1: With pull-up transistor for P64/INT2 pin
• Key input interrupt selection bit = “1”
0: With port function, no pull-up transistor for P64/INT2 pin
1: With key input interrupt, pull-up transistor for P64/INT2 pin
Port P5 pull-up selection bit
0: With no pull-up transistor for pins P54 – P57
1: With pull-up transistor for pins P54 – P57
Key input interrupt selection bit
0: INT2 interrupt
1: Key input interrupt
Fig. 11 Bit configuration of port function control register
16