ADE5166 datasheet(151/156 Pages) AD

151 / 156 page

ADE5166/ADE5169/ADE5566/ADE5569

Rev. B | Page 151 of 156

PORT 0

Port 0 is controlled directly through the bit-addressable Port 0

SFR (P0, Address 0x80). The weak internal pull-ups for Port 0

are configured through the Port 0 weak pull-up enable SFR

(PINMAP0, Address 0xB2); they are enabled by default. The

weak internal pull-up is disabled by writing a 1 to PINMAP0[x].

Port 0 pins also have various secondary functions, as described

in Table 168. The alternate functions of Port 0 pins can be activated

only if the corresponding bit latch in the Port 0 SFR contains a 1.

PORT 1

Port 1 is an 8-bit bidirectional port controlled directly through

the bit-addressable Port 1 SFR (P1, Address 0x90). The weak

internal pull-ups for Port 1 are configured through the Port 1

weak pull-up enable SFR (PINMAP1, Address 0xB3); they are

enabled by default. The weak internal pull-up is disabled by

writing a 1 to PINMAP1[x].

Port 1 pins also have various secondary functions, as described in

Table 169. The alternate functions of Port 1 pins can be activated

only if the corresponding bit latch in the Port 1 SFR contains a 1.

PORT 2

Port 2 is a 4-bit bidirectional port controlled directly through

the bit-addressable Port 2 SFR (P2, Address 0xA0). Note that

P2.3 can be used as an output only. Consequently, any read

operation, such as a CPL P2.3, cannot be executed on this I/O.

The weak internal pull-ups for Port 2 are configured through

the Port 2 weak pull-up enable SFR (PINMAP2, Address 0xB4);

they are enabled by default. The weak internal pull-up is

disabled by writing a 1 to PINMAP2[x].

Port 2 pins also have various secondary functions, as described

in Table 170. The alternate functions of Port 2 pins can be activated

only if the corresponding bit latch in the Port 2 SFR contains a 1.

ADE5166 数据表(PDF) 151 Page - Analog Devices