Rainbow Electronics AT75C220 - Manual (Page 14)

AT75C220
14
• OUTDIV
Output frequency range of PLL.
• JCIDBG
This field controls the mode of the JCI. The Oak subsystem has its own JTAG port. This port is used to communicate
serially with the Oak OCEM module.
SIAP-E ID Register
Register Name: SIAP_ID
Access: Read-only
Reset Value: 0x00000220 in small bond-out mode
0x0001220 in large bond-out mode
• IDENT: Identifier
This field indicates the device identifier 0x0220.
• PKG: Package
This bit reflects the state of the data bus width signal DBW and indicates the SIAP package size.
OUTDIV PLL Output Frequency Range
0 0 40 MHz to 250 MHz
0 1 20 MHz to 40 MHz
1 0 10 MHz to 20 MHz
1 1 5 MHz to 10 MHz
31 30 29 28 27 26 25 24
– – – – – – – –
23 22 21 20 19 18 17 16
– – – – – – – PKG
15 14 13 12 11 10 9 8
IDENT
7 6 5 4 3 2 1 0
IDENT